Tonni Franke Johansen
Publikasjoner
2026
-
Talberg, Andreas Sørbrøden;
Golfetto, Cristiana;
Johansen, Tonni Franke;
Avdal, Jørgen;
Ekroll, Ingvild Kinn;
Dong, Hefeng;
Måsøy, Svein-Erik.
(2026)
Enhanced Flow Detection through a Steel Barrier using Doppler Ultrasound: a Numerical and Experimental Study.
Ultrasonics
Vitenskapelig artikkel
2025
-
Golfetto, Cristiana;
Brandt, Martin Albertsen;
Zhang, Kai;
Ren, Xiaobo;
Diez, Anja;
Bunaziv, Ivan;
Johansen, Tonni Franke.
(2025)
How acoustic signals can help to detect failure in laser welding and 3D printing.
#SINTEFblogg
Populærvitenskapelig artikkel
-
Diez, Anja;
Viggen, Erlend Magnus;
Johansen, Tonni Franke.
(2025)
Ultrasonic pulse-echo dataset from numerical modelling for oil and gas well integrity investigations.
Scientific Data
Vitenskapelig artikkel
2024
-
Diez, Anja;
Viggen, Erlend Magnus;
Johansen, Tonni Franke.
(2024)
Open Database of Simulated Ultrasonic Pulse-Echo Well Integrity Log Data.
Vitenskapelig kapittel
-
Viggen, Erlend Magnus;
Diez, Anja;
Johansen, Tonni Franke.
(2024)
Pyintegrity: An Open-Source Toolbox for Processing Ultrasonic Pulse-Echo Well Integrity Log Data.
Vitenskapelig kapittel
-
Wangensteen, Magnus;
Johansen, Tonni Franke;
Fatemi, Ali;
Viggen, Erlend Magnus.
(2024)
Pipe wall thickness estimation by frequency–wavenumber analysis of circumferential guided waves.
Mechanical systems and signal processing
Vitenskapelig artikkel
-
Wangensteen, Magnus;
Johansen, Tonni Franke;
Fatemi, Ali;
Viggen, Erlend Magnus;
Haugan, Lars Eidissen.
(2024)
Pitting Detection and Characterization From Ultrasound Timelapse Images Using Convolutional Neural Networks.
IEEE Open Journal of Instrumentation and Measurement (OJIM)
Vitenskapelig artikkel
-
Sørlie, Erik Ravik;
Tran, Quoc Anh;
Eiksund, Gudmund Reidar;
Degago, Samson Abate;
Kjennbakken, Heidi;
Johansen, Tonni Franke.
(2024)
Experimental study on erosion of clays during rapid flows.
Ocean Engineering
Vitenskapelig artikkel
2023
-
Indimath, Shivanandan;
Fiorentini, Stefano;
Bøklepp, Bjarne Rosvoll;
Avdal, Jørgen;
Johansen, Tonni Franke;
Måsøy, Svein-Erik.
(2023)
Effect of bubble size on ultrasound backscatter from bubble clouds in the context of gas kick detection in boreholes.
Scientific Reports
Vitenskapelig artikkel
-
Diez, Anja;
Johansen, Tonni Franke;
Viggen, Erlend Magnus.
(2023)
From 3D to 1D: Effective numerical modelling of pulse-echo measurements in pipes.
Vitenskapelig kapittel
-
Johansen, Tonni Franke;
Buschmann, Philip Erik;
Røsberg, Knut Marius;
Diez, Anja;
Viggen, Erlend Magnus.
(2023)
Ultrasonic well integrity logging using phased array technology.
Vitenskapelig kapittel
2022
-
Diez, Anja;
Johansen, Tonni Franke;
Larsen, Idar.
(2022)
Ultrasonic Logging of Creeping Shale.
Petrophysics
Vitenskapelig artikkel
2020
-
Andersen, Kenneth Kirkeng;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke;
Hoff, Lars.
(2020)
A Dual-Frequency Coupled Resonator Transducer.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Andersen, Kenneth Kirkeng;
Hoff, Lars;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke.
(2020)
Therapeutic dual-frequency ultrasound transducers.
Universitetet i Sørøst-Norge/Universitetet i Søraust-Noreg
Doktoravhandling
-
Sirevaag, Tore Lie;
Johansen, Tonni Franke;
Larsen, Idar;
Holt, Rune Martin.
(2020)
A study of the flexural attenuation technique through laboratory measurements and numerical simulations.
Petrophysics
Vitenskapelig artikkel
2019
-
Mikalsen, Astri;
Hoff, Lars;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke.
(2019)
Sensitivity of Transducer for Medical Ultrasound.
Universitetet i Sørøst-Norge/Universitetet i Søraust-Noreg
Masteroppgave
2018
-
Bolstad, Per Kristian;
Hoff, Lars;
Torp, Hans;
Johansen, Tonni Franke.
(2018)
Design, Fabrication and Testing Highly Sensitive Single Element Doppler Transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke;
Måsøy, Svein-Erik;
Rommetveit, Tarjei;
Brekke, Svein;
Dong, Hefeng.
(2018)
Ultrasonic focusing through a steel layer for acoustic imaging.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
2017
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2017)
Simulation and inversion of ultrasonic pitch-catch through-tubing well logging with an array of receivers.
NDT & E international
Vitenskapelig artikkel
-
Myhre, Ola Finneng;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2017)
Analysis of acoustic impedance matching in dual-band ultrasound transducers.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke;
Larsen, Idar.
(2017)
Laboratory experiments on ultrasonic logging through casing for barrier integrity validation.
Vitenskapelig kapittel
2016
-
Tran, Thi Khanh Hoa;
Manh, Tung;
Johansen, Tonni Franke;
Hoff, Lars.
(2016)
Temperature effects on ultrasonic phase velocity and attenuation in Eccosorb and PMMA.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Manh, Tung;
Nguyen, Hoang-Vu;
Le, Ahn Duy;
Aasmundtveit, Knut Eilif;
Hoff, Lars;
Eggen, Trym;
Johansen, Tonni Franke;
Lanteri, Frederic;
Gelly, Jean-François.
(2016)
Au-Sn Solid-Liquid Interdiffusion (SLID) bonding for piezoelectric ultrasonic transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Solheim, Ole;
Johansen, Tonni Franke;
Cappelen, Johan;
Unsgård, Geirmund;
Selbekk, Tormod.
(2016)
Transsellar ultrasound in pituitary surgery with a designated probe: Early experiences.
Operative Neurosurgery
Vitenskapelig artikkel
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke.
(2016)
Acoustic measurements above a plate carrying Lamb waves.
Vitenskapelig kapittel
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2016)
Analysis of outer-casing echoes in simulations of ultrasonic pulse-echo through-tubing logging.
Geophysics
Vitenskapelig artikkel
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2016)
Simulation and modeling of ultrasonic pitch-catch through-tubing logging.
Geophysics
Vitenskapelig artikkel
-
Talberg, Andreas Sørbrøden;
Støvneng, Jon Andreas;
Johansen, Tonni Franke.
(2016)
Experimental Evaluation of Broadband Wave Propagation in Plates.
Norges teknisk-naturvitenskapelige universitet
Masteroppgave
-
Manh, Tung;
Hoff, Lars;
Eggen, Trym;
Johansen, Tonni Franke;
Lanteri, Frederic;
Gelly, Jean-François.
(2016)
Dual frequency hybrid ultrasonic transducers - Design and simulations.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
2014
-
Manh, Tung;
Nguyen, Anh Tuan Thai;
Johansen, Tonni Franke;
Hoff, Lars.
(2014)
Microfabrication of stacks of acoustic matching layers for 15 MHz ultrasonic transducers.
Ultrasonics
Vitenskapelig artikkel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke.
(2014)
Design and prototyping of dual layer linear arrays.
Vitenskapelig kapittel
-
Manh, Tung;
Jensen, Geir Uri;
Johansen, Tonni Franke;
Hoff, Lars.
(2014)
Modeling of micromachined silicon–polymer 2-2 composite matching layers for 15 MHz ultrasound transducers.
Ultrasonics
Vitenskapelig artikkel
2013
-
Selbekk, Tormod;
Jakola, Asgeir S;
Solheim, Ole;
Johansen, Tonni Franke;
Lindseth, Frank;
Reinertsen, Ingerid;
Unsgård, Geirmund.
(2013)
Ultrasound imaging in neurosurgery: approaches to minimize surgically induced image artefacts for improved resection control.
Acta Neurochirurgica
Vitenskapelig oversiktsartikkel
-
Manh, Tung;
Jensen, Geir Uri;
Johansen, Tonni Franke;
Hoff, Lars.
(2013)
Microfabricated 1-3 composite acoustic matching layers for 15 MHz transducers.
Ultrasonics
Vitenskapelig artikkel
-
Afadzi, Mercy;
Strand, Sabina P.;
Nilssen, Esben A.;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Hansen, Rune;
Angelsen, Bjørn Atle J.;
Davies, Catharina De Lange.
(2013)
Mechanisms of the Ultrasound-Mediated Intracellular Delivery of Liposomes and Dextrans.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
2012
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Minimum Variance Beamforming Applied to Ultrasound Imaging With a Partially Shaded Aperture.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Performance of Adaptive Beamformers for Ultrasound Imaging of a Partially Shaded Object.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Eigenspace Based Minimum Variance Beamforming Applied to Ultrasound Imaging of Acoustically Hard Tissues.
IEEE Transactions on Medical Imaging
Vitenskapelig artikkel
-
Prieur, Fabrice Jean Gabriel;
Johansen, Tonni Franke;
Holm, Sverre;
Torp, Hans.
(2012)
Fast simulation of second harmonic ultrasound field using a quasi-linear method.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Muller, Sebastien;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Application of eigen-spaced beamformers for imaging lamina of vertebral arch.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Afadzi, Mercy;
Davies, Catharina De Lange;
Hansen, Yngve Hofstad;
Johansen, Tonni Franke;
Standal, Øyvind Krøvel-Velle;
Hansen, Rune;
Måsøy, Svein-Erik;
Nilssen, Esben A.;
Angelsen, Bjørn Atle J..
(2012)
EFFECT OF ULTRASOUND PARAMETERS ON THE RELEASE OF LIPOSOMAL CALCEIN.
Ultrasound in Medicine and Biology
Vitenskapelig artikkel
-
Hansen, Yngve Hofstad;
Davies, Catharina De Lange;
Afadzi, Mercy;
Angelsen, Bjørn Atle J.;
Johansen, Tonni Franke;
Nilssen, Esben A..
(2012)
Ultrasonic Drug Release: Impact on Liposomal Doxorubicin in Collagen Gels.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
2011
-
Økland, Inger;
Bjåstad, Tore;
Johansen, Tonni Franke;
Gjessing, Håkon;
Grøttum, Per;
Eik-Nes, Sturla.
(2011)
Narrowed beam width in newer ultrasound machines shortens measurements in the lateral direction: fetal measurement charts may be obsolete.
Ultrasound in Obstetrics and Gynecology
Vitenskapelig artikkel
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Johnsen, Roy.
(2011)
Using a multi-layered transducer model to estimate the properties of paraffin wax deposited on steel.
Ultrasonics
Vitenskapelig artikkel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Jensen, Geir Uri.
(2011)
1-3 microfabricated composite acoustic matching layers for high frequency transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
2010
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Johnsen, Roy.
(2010)
A Combined Approach for High-Resolution Corrosion Monitoring and Temperature Compensation Using Ultrasound.
IEEE Transactions on Instrumentation and Measurement
Vitenskapelig artikkel
-
Solheim, Ole;
Selbekk, Tormod;
Løvstakken, Lasse;
Tangen, Geir Arne;
Solberg, Ole Vegard;
Johansen, Tonni Franke;
Cappelen, Johan;
Unsgård, Geirmund.
(2010)
Intrasellar ultrasound in transsphenoidal surgery: a novel technique.
Neurosurgery
Vitenskapelig artikkel
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Deibele, Jochen;
Kaupang, Halvard;
Angelsen, Bjørn Atle J..
(2010)
Two-Way Nonlinear Manipulation in Plane Materials using Dual Frequency Pulse Complexes.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Måsøy, Svein-Erik;
Standal, Øyvind;
Deibele, Jochen;
Näsholm, Sven Peter;
Angelsen, Bjørn Atle J.;
Johansen, Tonni Franke;
Tangen, Thor Andreas;
Hansen, Rune.
(2010)
Nonlinear propagation acoustics of dual-frequency wide-band excitation pulses in a focused ultrasound system.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2010)
A new design for a high frequency broadband ultrasound transducer using micromachined Silicon.
Vitenskapelig kapittel
-
Nguyen, Anh Tuan Thai;
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Jensen, Geir Uri.
(2010)
Fabrication of silicon-polymer composite acoustic matching layers for high frequency transducers.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Afadzi, Mercy;
Davies, Catharina De Lange;
Hansen, Yngve Hofstad;
Johansen, Tonni Franke;
Måsøy, Svein-Erik;
Angelsen, Bjørn Atle J..
(2010)
Ultrasound Stimulated Release of Liposomal Calcein.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Hansen, Rune;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2010)
Utilizing dual frequency band transmit pulse complexes in medical ultrasound imaging.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
2009
-
Näsholm, Sven Peter;
Hansen, Rune;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2009)
Transmit Beams Adapted to Reverberation Noise Suppression Using Dual-Frequency SURF Imaging.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Økland, Inger;
Bjåstad, Tore Grüner;
Johansen, Tonni Franke;
Gjessing, Håkon;
Grøttum, Per;
Eik-Nes, Sturla.
(2009)
Femur length measurements are influenced by beam width.
Ultrasound in Obstetrics and Gynecology
Konferanseabstract
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2009)
An Annular Array Design Proposal with Multiple Geometric Pre-foci.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
2008
-
Måsøy, Svein-Erik;
Standal, Øyvind;
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J.;
Hansen, Rune.
(2008)
SURF Imaging: In vivo Demonstration of an Ultrasound Contrast Agent Detection Technique.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
2007
-
Varslot, Trond;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2007)
Aberration in Nonlinear Acoustic Wave Propagation.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
2006
-
Kaupang, Halvard;
Måsøy, Svein-Erik;
Varslot, Trond;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2006)
Generation and Aberration of Second-Harmonic Ultrasound Beams in Heterogeneous Tissue.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
2005
-
Varslot, Trond;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2005)
Aberration and second-harmonic imaging.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2005)
Versatile Analysis of Multilayer Piezoelectric Transducers Using an Admittance Matrix Approach.
Vitenskapelig kapittel
2004
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2004)
Effect of a Curved Dome on the Effective Foci of an Annular Array - Numerical Simulations and Experimental Measurements.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2004)
Effect of a Curved Dome on the Effective Foci of an Annular Array - Numerical Simulations and Experimental Measurements.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
2003
-
Måsøy, Svein Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2003)
Correction of ultrasonic wave aberration with a time delay and amplitude filter.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Talberg, Andreas Sørbrøden;
Golfetto, Cristiana;
Johansen, Tonni Franke;
Avdal, Jørgen;
Ekroll, Ingvild Kinn;
Dong, Hefeng;
Måsøy, Svein-Erik.
(2026)
Enhanced Flow Detection through a Steel Barrier using Doppler Ultrasound: a Numerical and Experimental Study.
Ultrasonics
Vitenskapelig artikkel
-
Tran, Thi Khanh Hoa;
Manh, Tung;
Johansen, Tonni Franke;
Hoff, Lars.
(2016)
Temperature effects on ultrasonic phase velocity and attenuation in Eccosorb and PMMA.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Manh, Tung;
Nguyen, Hoang-Vu;
Le, Ahn Duy;
Aasmundtveit, Knut Eilif;
Hoff, Lars;
Eggen, Trym;
Johansen, Tonni Franke;
Lanteri, Frederic;
Gelly, Jean-François.
(2016)
Au-Sn Solid-Liquid Interdiffusion (SLID) bonding for piezoelectric ultrasonic transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Solheim, Ole;
Johansen, Tonni Franke;
Cappelen, Johan;
Unsgård, Geirmund;
Selbekk, Tormod.
(2016)
Transsellar ultrasound in pituitary surgery with a designated probe: Early experiences.
Operative Neurosurgery
Vitenskapelig artikkel
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2016)
Analysis of outer-casing echoes in simulations of ultrasonic pulse-echo through-tubing logging.
Geophysics
Vitenskapelig artikkel
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Johnsen, Roy.
(2010)
A Combined Approach for High-Resolution Corrosion Monitoring and Temperature Compensation Using Ultrasound.
IEEE Transactions on Instrumentation and Measurement
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Minimum Variance Beamforming Applied to Ultrasound Imaging With a Partially Shaded Aperture.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2004)
Effect of a Curved Dome on the Effective Foci of an Annular Array - Numerical Simulations and Experimental Measurements.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Solheim, Ole;
Selbekk, Tormod;
Løvstakken, Lasse;
Tangen, Geir Arne;
Solberg, Ole Vegard;
Johansen, Tonni Franke;
Cappelen, Johan;
Unsgård, Geirmund.
(2010)
Intrasellar ultrasound in transsphenoidal surgery: a novel technique.
Neurosurgery
Vitenskapelig artikkel
-
Økland, Inger;
Bjåstad, Tore;
Johansen, Tonni Franke;
Gjessing, Håkon;
Grøttum, Per;
Eik-Nes, Sturla.
(2011)
Narrowed beam width in newer ultrasound machines shortens measurements in the lateral direction: fetal measurement charts may be obsolete.
Ultrasound in Obstetrics and Gynecology
Vitenskapelig artikkel
-
Selbekk, Tormod;
Jakola, Asgeir S;
Solheim, Ole;
Johansen, Tonni Franke;
Lindseth, Frank;
Reinertsen, Ingerid;
Unsgård, Geirmund.
(2013)
Ultrasound imaging in neurosurgery: approaches to minimize surgically induced image artefacts for improved resection control.
Acta Neurochirurgica
Vitenskapelig oversiktsartikkel
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Performance of Adaptive Beamformers for Ultrasound Imaging of a Partially Shaded Object.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Varslot, Trond;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2005)
Aberration and second-harmonic imaging.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Austeng, Andreas;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Eigenspace Based Minimum Variance Beamforming Applied to Ultrasound Imaging of Acoustically Hard Tissues.
IEEE Transactions on Medical Imaging
Vitenskapelig artikkel
-
Bolstad, Per Kristian;
Hoff, Lars;
Torp, Hans;
Johansen, Tonni Franke.
(2018)
Design, Fabrication and Testing Highly Sensitive Single Element Doppler Transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2016)
Simulation and modeling of ultrasonic pitch-catch through-tubing logging.
Geophysics
Vitenskapelig artikkel
-
Indimath, Shivanandan;
Fiorentini, Stefano;
Bøklepp, Bjarne Rosvoll;
Avdal, Jørgen;
Johansen, Tonni Franke;
Måsøy, Svein-Erik.
(2023)
Effect of bubble size on ultrasound backscatter from bubble clouds in the context of gas kick detection in boreholes.
Scientific Reports
Vitenskapelig artikkel
-
Viggen, Erlend Magnus;
Johansen, Tonni Franke;
Merciu, Ioan Alexandru.
(2017)
Simulation and inversion of ultrasonic pitch-catch through-tubing well logging with an array of receivers.
NDT & E international
Vitenskapelig artikkel
-
Myhre, Ola Finneng;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2017)
Analysis of acoustic impedance matching in dual-band ultrasound transducers.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Manh, Tung;
Nguyen, Anh Tuan Thai;
Johansen, Tonni Franke;
Hoff, Lars.
(2014)
Microfabrication of stacks of acoustic matching layers for 15 MHz ultrasonic transducers.
Ultrasonics
Vitenskapelig artikkel
-
Wangensteen, Magnus;
Johansen, Tonni Franke;
Fatemi, Ali;
Viggen, Erlend Magnus.
(2024)
Pipe wall thickness estimation by frequency–wavenumber analysis of circumferential guided waves.
Mechanical systems and signal processing
Vitenskapelig artikkel
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2004)
Effect of a Curved Dome on the Effective Foci of an Annular Array - Numerical Simulations and Experimental Measurements.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Manh, Tung;
Jensen, Geir Uri;
Johansen, Tonni Franke;
Hoff, Lars.
(2013)
Microfabricated 1-3 composite acoustic matching layers for 15 MHz transducers.
Ultrasonics
Vitenskapelig artikkel
-
Wangensteen, Magnus;
Johansen, Tonni Franke;
Fatemi, Ali;
Viggen, Erlend Magnus;
Haugan, Lars Eidissen.
(2024)
Pitting Detection and Characterization From Ultrasound Timelapse Images Using Convolutional Neural Networks.
IEEE Open Journal of Instrumentation and Measurement (OJIM)
Vitenskapelig artikkel
-
Diez, Anja;
Johansen, Tonni Franke;
Larsen, Idar.
(2022)
Ultrasonic Logging of Creeping Shale.
Petrophysics
Vitenskapelig artikkel
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Johnsen, Roy.
(2011)
Using a multi-layered transducer model to estimate the properties of paraffin wax deposited on steel.
Ultrasonics
Vitenskapelig artikkel
-
Måsøy, Svein-Erik;
Standal, Øyvind;
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J.;
Hansen, Rune.
(2008)
SURF Imaging: In vivo Demonstration of an Ultrasound Contrast Agent Detection Technique.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Manh, Tung;
Jensen, Geir Uri;
Johansen, Tonni Franke;
Hoff, Lars.
(2014)
Modeling of micromachined silicon–polymer 2-2 composite matching layers for 15 MHz ultrasound transducers.
Ultrasonics
Vitenskapelig artikkel
-
Golfetto, Cristiana;
Brandt, Martin Albertsen;
Zhang, Kai;
Ren, Xiaobo;
Diez, Anja;
Bunaziv, Ivan;
Johansen, Tonni Franke.
(2025)
How acoustic signals can help to detect failure in laser welding and 3D printing.
#SINTEFblogg
Populærvitenskapelig artikkel
-
Näsholm, Sven Peter;
Hansen, Rune;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2009)
Transmit Beams Adapted to Reverberation Noise Suppression Using Dual-Frequency SURF Imaging.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Jensen, Geir Uri.
(2011)
1-3 microfabricated composite acoustic matching layers for high frequency transducers.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Prieur, Fabrice Jean Gabriel;
Johansen, Tonni Franke;
Holm, Sverre;
Torp, Hans.
(2012)
Fast simulation of second harmonic ultrasound field using a quasi-linear method.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Rommetveit, Tarjei;
Johansen, Tonni Franke;
Deibele, Jochen;
Kaupang, Halvard;
Angelsen, Bjørn Atle J..
(2010)
Two-Way Nonlinear Manipulation in Plane Materials using Dual Frequency Pulse Complexes.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Måsøy, Svein-Erik;
Standal, Øyvind;
Deibele, Jochen;
Näsholm, Sven Peter;
Angelsen, Bjørn Atle J.;
Johansen, Tonni Franke;
Tangen, Thor Andreas;
Hansen, Rune.
(2010)
Nonlinear propagation acoustics of dual-frequency wide-band excitation pulses in a focused ultrasound system.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Sørlie, Erik Ravik;
Tran, Quoc Anh;
Eiksund, Gudmund Reidar;
Degago, Samson Abate;
Kjennbakken, Heidi;
Johansen, Tonni Franke.
(2024)
Experimental study on erosion of clays during rapid flows.
Ocean Engineering
Vitenskapelig artikkel
-
Nguyen, Anh Tuan Thai;
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Jensen, Geir Uri.
(2010)
Fabrication of silicon-polymer composite acoustic matching layers for high frequency transducers.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke;
Måsøy, Svein-Erik;
Rommetveit, Tarjei;
Brekke, Svein;
Dong, Hefeng.
(2018)
Ultrasonic focusing through a steel layer for acoustic imaging.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
-
Afadzi, Mercy;
Strand, Sabina P.;
Nilssen, Esben A.;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Hansen, Rune;
Angelsen, Bjørn Atle J.;
Davies, Catharina De Lange.
(2013)
Mechanisms of the Ultrasound-Mediated Intracellular Delivery of Liposomes and Dextrans.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Afadzi, Mercy;
Davies, Catharina De Lange;
Hansen, Yngve Hofstad;
Johansen, Tonni Franke;
Måsøy, Svein-Erik;
Angelsen, Bjørn Atle J..
(2010)
Ultrasound Stimulated Release of Liposomal Calcein.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Mehdizadeh, Saeed;
Muller, Sebastien;
Johansen, Tonni Franke;
Holm, Sverre.
(2012)
Application of eigen-spaced beamformers for imaging lamina of vertebral arch.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Andersen, Kenneth Kirkeng;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke;
Hoff, Lars.
(2020)
A Dual-Frequency Coupled Resonator Transducer.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Økland, Inger;
Bjåstad, Tore Grüner;
Johansen, Tonni Franke;
Gjessing, Håkon;
Grøttum, Per;
Eik-Nes, Sturla.
(2009)
Femur length measurements are influenced by beam width.
Ultrasound in Obstetrics and Gynecology
Konferanseabstract
-
Kaupang, Halvard;
Måsøy, Svein-Erik;
Varslot, Trond;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2006)
Generation and Aberration of Second-Harmonic Ultrasound Beams in Heterogeneous Tissue.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Måsøy, Svein Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2003)
Correction of ultrasonic wave aberration with a time delay and amplitude filter.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Näsholm, Sven Peter;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2009)
An Annular Array Design Proposal with Multiple Geometric Pre-foci.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Afadzi, Mercy;
Davies, Catharina De Lange;
Hansen, Yngve Hofstad;
Johansen, Tonni Franke;
Standal, Øyvind Krøvel-Velle;
Hansen, Rune;
Måsøy, Svein-Erik;
Nilssen, Esben A.;
Angelsen, Bjørn Atle J..
(2012)
EFFECT OF ULTRASOUND PARAMETERS ON THE RELEASE OF LIPOSOMAL CALCEIN.
Ultrasound in Medicine and Biology
Vitenskapelig artikkel
-
Diez, Anja;
Viggen, Erlend Magnus;
Johansen, Tonni Franke.
(2025)
Ultrasonic pulse-echo dataset from numerical modelling for oil and gas well integrity investigations.
Scientific Data
Vitenskapelig artikkel
-
Hansen, Rune;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2010)
Utilizing dual frequency band transmit pulse complexes in medical ultrasound imaging.
Journal of the Acoustical Society of America
Vitenskapelig artikkel
-
Varslot, Trond;
Måsøy, Svein-Erik;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2007)
Aberration in Nonlinear Acoustic Wave Propagation.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Vitenskapelig artikkel
-
Sirevaag, Tore Lie;
Johansen, Tonni Franke;
Larsen, Idar;
Holt, Rune Martin.
(2020)
A study of the flexural attenuation technique through laboratory measurements and numerical simulations.
Petrophysics
Vitenskapelig artikkel
-
Hansen, Yngve Hofstad;
Davies, Catharina De Lange;
Afadzi, Mercy;
Angelsen, Bjørn Atle J.;
Johansen, Tonni Franke;
Nilssen, Esben A..
(2012)
Ultrasonic Drug Release: Impact on Liposomal Doxorubicin in Collagen Gels.
IEEE International Ultrasonics Symposium Proceedings
Vitenskapelig artikkel
-
Manh, Tung;
Hoff, Lars;
Eggen, Trym;
Johansen, Tonni Franke;
Lanteri, Frederic;
Gelly, Jean-François.
(2016)
Dual frequency hybrid ultrasonic transducers - Design and simulations.
Proceedings - IEEE Ultrasonics Symposium
Vitenskapelig artikkel
Del av bok/rapport
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke.
(2016)
Acoustic measurements above a plate carrying Lamb waves.
Vitenskapelig kapittel
-
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2005)
Versatile Analysis of Multilayer Piezoelectric Transducers Using an Admittance Matrix Approach.
Vitenskapelig kapittel
-
Diez, Anja;
Viggen, Erlend Magnus;
Johansen, Tonni Franke.
(2024)
Open Database of Simulated Ultrasonic Pulse-Echo Well Integrity Log Data.
Vitenskapelig kapittel
-
Viggen, Erlend Magnus;
Diez, Anja;
Johansen, Tonni Franke.
(2024)
Pyintegrity: An Open-Source Toolbox for Processing Ultrasonic Pulse-Echo Well Integrity Log Data.
Vitenskapelig kapittel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke.
(2014)
Design and prototyping of dual layer linear arrays.
Vitenskapelig kapittel
-
Diez, Anja;
Johansen, Tonni Franke;
Viggen, Erlend Magnus.
(2023)
From 3D to 1D: Effective numerical modelling of pulse-echo measurements in pipes.
Vitenskapelig kapittel
-
Talberg, Andreas Sørbrøden;
Johansen, Tonni Franke;
Larsen, Idar.
(2017)
Laboratory experiments on ultrasonic logging through casing for barrier integrity validation.
Vitenskapelig kapittel
-
Manh, Tung;
Hoff, Lars;
Johansen, Tonni Franke;
Angelsen, Bjørn Atle J..
(2010)
A new design for a high frequency broadband ultrasound transducer using micromachined Silicon.
Vitenskapelig kapittel
-
Johansen, Tonni Franke;
Buschmann, Philip Erik;
Røsberg, Knut Marius;
Diez, Anja;
Viggen, Erlend Magnus.
(2023)
Ultrasonic well integrity logging using phased array technology.
Vitenskapelig kapittel
Studentoppgave eller avhandling
-
Talberg, Andreas Sørbrøden;
Støvneng, Jon Andreas;
Johansen, Tonni Franke.
(2016)
Experimental Evaluation of Broadband Wave Propagation in Plates.
Norges teknisk-naturvitenskapelige universitet
Masteroppgave
-
Mikalsen, Astri;
Hoff, Lars;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke.
(2019)
Sensitivity of Transducer for Medical Ultrasound.
Universitetet i Sørøst-Norge/Universitetet i Søraust-Noreg
Masteroppgave
-
Andersen, Kenneth Kirkeng;
Hoff, Lars;
Frijlink, Martijn Egbert;
Johansen, Tonni Franke.
(2020)
Therapeutic dual-frequency ultrasound transducers.
Universitetet i Sørøst-Norge/Universitetet i Søraust-Noreg
Doktoravhandling
Formidling
2025
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KonferanseforedragGolfetto, Cristiana; Diez, Anja; Bunaziv, Ivan; Ren, Xiaobo; Johansen, Tonni Franke; Brandt, Martin Albertsen; Tuset, Pål. (2025) Acoustic methods for manufacturing and quality control: a case study of laser welding of steel. EERA DeepWind conference
2024
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IntervjuWangensteen, Magnus; Johansen, Tonni Franke; Fatemi, Ali; Viggen, Erlend Magnus. (2024) Researchers Use Machine Learning to Detect Pitting Corrosion.
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KonferanseposterBunaziv, Ivan; Diez, Anja; Johansen, Tonni Franke; Olden, Vigdis; Ren, Xiaobo. (2024) Preliminary studies of acoustic emission for in-situ detection of instabilities in keyhole laser welding. EERA DeepWind Conference
2023
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KonferanseposterBunaziv, Ivan; Diez, Anja; Johansen, Tonni Franke; Ren, Xiaobo. (2023) What does the defect say? Acoustic emission (AE) for process monitoring and defect detection in laser welding. FME NorthWind Innovation Forum
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KonferanseforedragRasmussen, Andreas Lund; Fjalestad, Kjetil; Yan, Ru; Viumdal, Håkon; Mylvaganam, Saba; Johansen, Tonni Franke. (2023) Phase Fractions and Velocities in Multiphase Flow – Estimation using Sensor Data Fusion and Machine Learning. SIMS 2023
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KonferanseforedragDiez, Anja; Johansen, Tonni Franke; Viggen, Erlend Magnus. (2023) From 3D to 1D – effective numerical modelling of pulse-echo measurements in pipes. 46th Scandinavian Symposium on Physical Acoustics
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KonferanseforedragWangensteen, Magnus; Johansen, Tonni Franke; Fatemi, Ali; Viggen, Erlend Magnus. (2023) Ultrasonic Guided Waves and Machine Learning for Corrosion Monitoring in Steel Pipes. AMPP Annual Conference + Expo 2023
2022
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ForedragDiez, Anja; Johansen, Tonni Franke; Viggen, Erlend Magnus. (2022) Cement bond logs: Current Pulse Echo processing algorithms. CIUS Fall Conference 2022
2021
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ForedragDiez, Anja; Johansen, Tonni Franke; Larsen, Idar. (2021) Micro-Annulus PE &PC. SC møte på Shale Barrier Toolbox
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ForedragLarsen, Idar; Bakheim, Sigurd; Diez, Anja; Johansen, Tonni Franke. (2021) Barrier evaluation. SC møte på Shale Barrier Toolbox
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ForedragDiez, Anja; Johansen, Tonni Franke; Larsen, Idar. (2021) PC Comsol modelling. SC møte på Shale Barrier Toolbox
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Intervju
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KonferanseforedragDiez, Anja; Johansen, Tonni Franke; Larsen, Idar. (2021) Ultrasonic logging of creeping shale. 44th Scandinavian Symposium on Physical Acoustics
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ForedragIndimath, Shivanandan; Fiorentini, Stefano; Avdal, Jørgen; Torp, Hans; Johansen, Tonni Franke; Bøklepp, Bjarne Rosvoll; Måsøy, Svein-Erik. (2021) Estimation of fluid velocity profile and crack geometry for influx/efflux while drilling oil and gas boreholes using Doppler ultrasound. ISNT NDE 2021
2020
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KonferanseforedragTalberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik. (2020) Ultrasonic Wave Propagation in Layered Media – Beamforming for target detection and flow measurements. Scandinavian Symposium on Physical Acoustics
2019
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ForedragTalberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik. (2019) Ultrasonic focusing through a steel layer. Scandinavian Symposium on Physical Acoustics 2019
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KonferanseforedragJohansen, Tonni Franke. (2019) Lab scale ultrasonic logging through casing of shale barrier creation. P&A Seminar 2019
2018
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KonferanseposterTalberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik; Brekke, Svein; Rommetveit, Tarjei. (2018) Ultrasonic focusing through a steel layer for acoustic imaging. IEEE International Ultrasonics Symposium 2018
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KonferanseforedragTalberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik. (2018) Target detection through a steel plate using beamforming. Scandinavian Symposium on Physical Acoustics 2018
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KonferanseforedragSirevaag, Tore Lie; Johansen, Tonni Franke; Larsen, Idar; Holt, Rune Martin. (2018) LABORATORY SETUP FOR IMPROVED LOGGING BEHIND CASING. SPWLA 59th Annual Symposium
2017
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KonferanseforedragViggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru. (2017) Ultrasonic through-tubing well logging with an array of receivers. 40th Scandinavian Symposium on Physical Acoustics
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KonferanseforedragLarsen, Idar; Johansen, Tonni Franke; Talberg, Andreas Sørbrøden. (2017) Cement bond log interpretation in shale formations. SINTEF Petroleum Conference 2017
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KonferanseforedragTalberg, Andreas Sørbrøden; Johansen, Tonni Franke. (2017) Experimental evaluation of Lamb wave propagation in plates. Scandinavian Symposium on Physical Acoustics
2016
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KonferanseforedragTalberg, Andreas Sørbrøden; Johansen, Tonni Franke. (2016) Acoustic measurements above a plate carrying Lamb waves. The 39th Scandinavian Symposium on Physical Acoustics
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KonferanseforedragManh, Tung; Hoff, Lars; Johansen, Tonni Franke; Eggen, Trym Haakon; Lanteri, Frederic; Gelly, Jean-François. (2016) Dual Hybrid Ultrasound Transducers - Designs and Simulations. 13th Annual Ultrasonic Transducer Engineering Conference
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KonferanseforedragManh, Tung; Nguyen, Hoang-Vu; Le, Duy; Aasmundtveit, Knut Eilif; Hoff, Lars; Eggen, Trym; Johansen, Tonni Franke; Gelly, Jean-François; Lanteri, Frederic. (2016) Au-Sn Solid-Liquid Interdiffusion (SLID) bonding for piezoelectric ultrasonic transducers. 2016 IEEE International Ultrasonics Symposium Proceedings
2015
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KonferanseforedragViggen, Erlend Magnus; Johansen, Tonni Franke; Merciu, Ioan Alexandru. (2015) Simulation and modelling of ultrasonic double-casing well logging. 38th Scandinavian Symposium on Physical Acoustics
2012
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KonferanseposterHansen, Yngve Hofstad; Afadzi, Mercy; Nilssen, Esben A.; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.; Davies, Catharina De Lange. (2012) Ultrasonic Drug Release: Impact on Liposomal Doxorubicin in Collagen Gels. 2012 IEEE International Ultrasonics Symposium
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KonferanseforedragJohansen, Tonni Franke; Angelsen, Bjørn Atle J.; Rommetveit, Tarjei. (2012) On Surf Imaging through steel. 35th Scandinavian Symposium on Physical Acoustics
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KonferanseforedragManh, Tung; Jensen, Geir Uri; Johansen, Tonni Franke; Hoff, Lars. (2012) Modelling and characterization of a silicon-epoxy 2-2 composite material. 2012 IEEE International Ultrasonics Symposium
2011
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KonferanseposterPrieur, Fabrice Jean Gabriel; Johansen, Tonni Franke; Torp, Hans. (2011) Fast 3D simulation of second harmonic ultrasound field. 3rd National PhD Conference in Medical Imaging
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KonferanseforedragDeibele, Jochen; Måsøy, Svein Erik; Dahl, Torbjørn; Tangen, Thor Andreas; Hansen, Rune; Johansen, Tonni Franke; Standal, Øyvind; Angelsen, Bjørn Atle J.. (2011) Bedret avbildning av carotis med SURF imaging. NFUD Årsmøte
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KonferanseposterAfadzi, Mercy; Hansen, Yngve Hofstad; Hansen, Rune; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.; Davies, Catharina De Lange. (2011) Intracellular Delivery of Nanoparticles using Ultrasound. 2011 IEEE International Ultrasonics Symposium
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KonferanseforedragDeibele, Jochen; Måsøy, Svein-Erik; Dahl, Torbjørn; Tangen, Thor Andreas; Hansen, Rune; Johansen, Tonni Franke; Standal, Øyvind Krøvel-Velle; Angelsen, Bjørn Atle J.. (2011) Clutter reduction – a quantitative in vivo image contrast analysis. BMT 2011
2010
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KonferanseforedragDeibele, Jochen; Tangen, Thor Andreas; Måsøy, Svein Erik; Hansen, Rune; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2010) Undertrykkelse av reverberasjoner med SURF-imaging. NFUD årsmøte
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KonferanseforedragLangø, Thomas; Bø, Lars Eirik; Gjelsvik, Torgrim; Johansen, Tonni Franke. (2010) Ultrasound based localization of wireless endoscopic capsule. 7th International Conference on Wearable Micro and Nano Technologies for Personalized Health (pHealth 2010)
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KonferanseforedragRommetveit, Tarjei; Johansen, Tonni Franke. (2010) Characterization of Ultrasound Transducers. 33rd Scandinavian Symposium on Physical Acoustics
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KonferanseforedragDavies, Catharina De Lange; Afadzi, Mercy; Hansen, Yngve Hofstad; Johansen, Tonni Franke; Måsøy, Svein-Erik; Angelsen, Bjørn Atle J.. (2010) The impact of ultrasound on liposomal drug release. European Science Foundation - Nanomedicine
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KonferanseposterRommetveit, Tarjei; Johansen, Tonni Franke; Deibele, Jochen; Kaupang, Halvard; Angelsen, Bjørn Atle J.. (2010) Two-Way Nonlinear Manipulation in Plane Materials using Dual Frequency Pulse Complexes. IEEE International Ultrasonics Symposium 2010
-
KonferanseposterAfadzi, Mercy; Davies, Catharina De Lange; Hansen, Yngve Hofstad; Johansen, Tonni Franke; Måsøy, Svein-Erik; Angelsen, Bjørn Atle J.. (2010) Ultrasound stimulated release of liposomal calcien. 2010 IEEE International Ultrasonics Symposium (IUS)
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KonferanseforedragMåsøy, Svein-Erik; Deibele, Jochen; Tangen, Thor Andreas; Kaupang, Halvard; Hansen, Rune; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.; Angelsen, Anders; Dahl, Torbjørn; Østhus, Petter. (2010) SURF imaging - kliniske eksempler. Norsk Forening for Ultralyddiagnostikk Symposium
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KonferanseforedragSolheim, Ole; Selbekk, Tormod; Johansen, Tonni Franke; Unsgård, Geirmund. (2010) Peroperativ Ultralyd ved hypofysekirurgi. Fagmøte
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KonferanseforedragDavies, Catharina De Lange; Afadzi, Mercy; Hansen, Yngve Hofstad; Johansen, Tonni Franke; Måsøy, Svein-Erik; Angelsen, Bjørn Atle J.. (2010) The impact of ultrasound on liposomal drug releasr. Conf erence of the Society for medical innovation and technology
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KonferanseforedragManh, Tung; Nguyen, Ahn-Tuan Thai; Hoff, Lars; Johansen, Tonni Franke. (2010) Design of High Frequency Ultrasound Transducers using Micromachining. 33rd Scandinavian Symposium on Physical Acoustics (SSPA2010)
2009
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KonferanseforedragLangø, Thomas; Bø, Lars Eirik; Johansen, Tonni Franke; Gjelsvik, Torgrim. (2009) Ultrasound based localisation of wireless microrobotic endoscopic capsule for the GI tract. 21st International Conference of the Society for Medical Innovation and Technology (SMIT 2009)
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KonferanseforedragMåsøy, Svein-Erik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter; Hansen, Rune; Angelsen, Bjørn Atle J.; Johansen, Tonni Franke. (2009) SURF imaging - Acoustics from a dual-frequency band annular array. IEEE 2009 Ultrasonics Symposium
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KonferanseforedragSolheim, Ole; Selbekk, Tormod; Løvstakken, Lasse; Tangen, Geir Arne; Solberg, Ole Vegard; Johansen, Tonni Franke; Cappelen, Johan; Unsgård, Geirmund. (2009) Intrasellar ultrasound in transsphenoidal surgery. EANS Annual Meeting 2009
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KonferanseforedragMåsøy, Svein-Erik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter; Hansen, Rune; Angelsen, Bjørn A. J.; Johansen, Tonni F.. (2009) SURF imaging - Acoustics from a dual-frequency band annular array. IEEE 2009 Ultrasonics Symposium
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KonferanseforedragMåsøy, Svein-Erik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter; Hansen, Rune; Angelsen, Bjørn Atle J.; Johansen, Tonni Franke. (2009) SURF imaging - A real time dual-frequency band ultrasound system. IEEE 2009 Ultrasonics Symposium
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KonferanseforedragMåsøy, Svein-Erik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter; Hansen, Rune; Angelsen, Bjørn A. J.; Johansen, Tonni F.. (2009) SURF imaging - A real time dual-frequency band ultrasound system. IEEE 2009 Ultrasonics Symposium
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KonferanseforedragTangen, Thor Andreas; Hansen, Rune; Johansen, Tonni Franke; Skavhaug, Amund; Angelsen, Bjørn Atle J.; Måsøy, Svein-Erik. (2009) Comparison of SURF imaging and Pulse Inversion for CEUS: A simulation study. 14th European Symposium on Ultrasound Contrast Imaging
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KonferanseforedragSolheim, Ole; Selbekk, Tormod; Løvstakken, Lasse; Tangen, Geir Arne; Solberg, Ole Vegard; Johansen, Tonni Franke; Cappelen, Johan; Unsgård, Geirmund. (2009) Ultralydnavigert hypofysekirurgi. Midt-Norsk Regionmøte i Endokrinologi
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KonferanseforedragRommetveit, Tarjei; Johnsen, Roy; Johansen, Tonni Franke; Baltzersen, Øystein. (2009) High resolution ultrasound thickness measurements through polyester coating and real-time process control. Corrosion 2009
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KonferanseposterManh, Tung; Hoff, Lars; Johansen, Tonni Franke; Angelsen, Bjørn A. J.. (2009) A New Design for a High Frequency Broadband Ultrasound Transducer using Micromachined Silicon. The 6th international workshop on Wearable Micro and Nano Technologies for Personalized Health (pHealth2009)
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KonferanseforedragDeibele, Jochen; Tangen, Thor Andreas; Måsøy, Svein-Erik; Hansen, Rune; Standal, Øyvind; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2009) Hvordan få en scanner til å SURFe. NFUD Årsmøte 2009
2008
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KonferanseforedragJohansen, Tonni Franke; Deibele, Jochen; Måsøy, Svein-Erik; Hansen, Rune; Angelsen, Bjørn Atle J.. (2008) Design and Test of a Dual-Layer, Dual-Frequency SURF Array. 31st Scandinavian Symposium on Physical Acoustics
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KonferanseforedragMåsøy, Svein-Erik; Hansen, Rune; Angelsen, Anders; Kaupang, Halvard; Tangen, Thor Andreas; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2008) SURF IMAGING – High-frequency ultrasound contrast agent imaging in patients with prostate cancer. The Thirteenth European Symposium on Ultrasound Contrast Imaging
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KonferanseforedragDeibele, Jochen; Kocbach, Jan; Lunde, Per; Angelsen, Bjørn Atle J.; Johansen, Tonni Franke. (2008) Transdusere for SURF avbildning. NFUD ultralyd symposium
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KonferanseforedragSolheim, Ole; Selbekk, Tormod; Tangen, Geir Arne; Løvstakken, Lasse; Solberg, Ole Vegard; Johansen, Tonni Franke; Cappelen, Johan; Unsgård, Geirmund. (2008) Høyoppløselig, intrasellær ultralyd ved transsfenoidal hypofysekirurgi - tidlige erfaringer. Kirurgisk Høstmøte 2008
2007
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KonferanseforedragHansen, Rune; Måsøy, Svein-Erik; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2007) Improving contrast agent detection with SURF imaging. The 12th european symposium on ultrasound contrast imaging
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KonferanseforedragHansen, Rune; Måsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2007) SURF imaging for ultrasound contrast agents. Årsmøte Norsk forening for ultralyd-diagnostikk (NFUD)
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KonferanseforedragMåsøy, Svein-Erik; Kaupang, Halvard; Tangen, Thor Andreas; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke; Hansen, Rune; Angelsen, Bjørn Atle J.. (2007) SURF IMAGING – IN VIVO DEMONSTRATION OF AN ULTRASOUND CONTRAST AGENT DETECTION TECHNIQUE IN PATIENTS WITH PROSTATE CANCER AND THYROID NODULES. 2007 IEEE Ultrasonics Symposium
2006
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KonferanseforedragHansen, Rune; Johansen, Tonni Franke; Måsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind; Angelsen, Bjørn Atle J.. (2006) SURF - A better method to detect ultrasound contrast agents and micro-calcifications. Årsmøte Norsk forening for ultralyd-diagnostikk (NFUD)
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KonferanseposterNäsholm, Sven Peter; Hansen, Rune; Måsøy, Svein-Erik; Standal, Øyvind; Johansen, Tonni Franke; Angelsen, Bjørn. (2006) Reverberation suppression using SURF as an alternative to second harmonic. IEEE International Ultrasonics Symposium
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KonferanseforedragMåsøy, Svein-Erik; Hansen, Rune; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2006) SURF IMAGING – A METHOD FOR HIGH FREQUENCY ULTRASOUND CONTRAST AGENT DETECTION. 2006 IEEE International Ultrasonics Symposium
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KonferanseforedragMåsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke; Hansen, Rune; Angelsen, Bjørn Atle J.. (2006) ACOUSTIC NOISE IN MEDICAL ULTRASOUND IMAGING – CHALLENGES AND SOLUTIONS. Norwegian society for diagnostic ultrasound in medicine ultrasound symposium 2006
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KonferanseposterKaupang, Halvard; Måsøy, Svein-Erik; Varslot, Trond; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2006) Generation and Aberration of Second-Harmonic Ultrasound Beams in Heterogeneous Tissue. 2006 IEEE International Ultrasonics Symposium
2005
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ForedragJohansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2005) Versatile Analysis of Multilayer Piezoelectric Transducers Using an Admittance Matrix Approach. 28th Scandinavian Symposium on Physical Acoustics
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KonferanseposterDursun, Safiye Emilie Slettvold; Varslot, Trond; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.; Torp, Hans. (2005) Fast 3D simulation of 2nd harmonic ultrasound field from arbitrary transducer geometries. 2005 IEEE-UFFC Ultrasonics Symposium
2004
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KonferanseposterHansen, Rune; Johansen, Tonni Franke; Burns, Peter N.; Angelsen, Bjørn Atle J.. (2004) Contrast Agent Detection through Low Frequency Manipulation of High Frequency Scattering Properties. IEEE International Ultrasonics, Ferroelectrics, and Frequency Control 50th Anniversary Joint Conference
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KonferanseposterNäsholm, Sven Peter; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2004) Effect of a Curved Dome on the Effective Foci of an Annular Array - Numerical Simulations and Experimental Measurements. 2004 IEEE International Ultrasonics, Ferroelectrics, and Frequency Control 50th Anniversary Joint Conference
2003
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KonferanseforedragVarslot, Trond; Dursun, Safiye; Johansen, Tonni Franke; Hansen, Rune; Angelsen, Bjørn Atle J.; Torp, Hans. (2003) Influence of Acoustic Intensity on the Second-harmonic Beam-profile. IEEE Ultrasonics Symposium
2002
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KonferanseposterTorp, Hans; Johansen, Tonni Franke. (2002) NONLINEAR WAVEPROPAGATION � A FAST 3D SIMULATION METHOD BASED ON QUASI-LINEAR APPROXIMATION OF THE SECOND HARMONIC FIELD. 2002 IEEE Ultrasonics Symposium
2001
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KonferanseposterHansen, Rune; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2001) Effect of nonlinear incident pulse propagation distortion on nonlinear contrast agent scattering. The sixth european symposium on ultrasound contrast imaging
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KonferanseforedragHansen, Rune; Johansen, Tonni Franke; Angelsen, Bjørn Atle J.. (2001) Reduction of nonlinear contrast agent scattering due to nonlinear wave propagation. 2001 IEEE international ultrasonics symposium