Publications

Selected Publications in refereed journals

• G Landry, M. Mallay, J.A. Brown, “A simple and cost-effective benchtop setup for assessing ultrasound-induced inertial cavitation probability,” IEEE Sensors, vol. 7, no. 6, pp. 1-4, June 2023, Art no. 2501804

• Kashani Ilkhechi, M. Sobhani, C. Ceroici, M. Ghavami, J.A. Brown, R. Zemp, “High-Voltage Bias-Switching Electronics for Volumetric Imaging using Electrostrictive Row-Column Arrays”, IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 70(4), pp. 324-335, 2023

• Shojaeiarani, T.G. Landry, J.A. Brown, J.P. Frampton, “Freeform Etching of Microchannels in Hydrogels by Ultrasonic Cavitation,“ Advanced Engineering Materials, Vol 25, no. 2200932, 2023

• K. Woodacre, M.G. Mallay, J.A. Brown, “Fabrication and Characterization of a Flat Aperture Fresnel Lens Based Histotripsy Transducer,” Ultrasonics, Vol 131, Article number 106934, 2023

• A. Campbell, N. MacMullin, R. Kiefl, E. Nashnoush, K. Latham, C. Emery, J.A. Brown, “A High-Performance 3D Imaging Technique Using Simultaneous Azimuth and Elevation Compounding,” IEEE

Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 69(12), pp. 3327-3337, 2022

• Sobhani, M. Ghavami, A. Kashani Ilkhechi, J.A. Brown, R. Zemp, “Ultrafast Orthogonal Row-Column Electronic Scanning (uFORCES) with Bias-Switchable Top-Orthogonal-to-Bottom Electrode 2D Arrays”, IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol. 69(10), pp. 2823-2836, 2022

• G. Landry, J. Gannon, E. Vlaisavljevich, M.G. Mallay, J.K. Woodacre, S. Croul, J.P. Fawcett, J.A. Brown^{, “}Endoscopic co-registered ultrasound imaging and precision histotripsy: Initial in vivo evaluation,” BME Frontiers, Volume 2022, Article ID 9794321, 2022

• K. Woodacre, T.G. Landry, J.A. Brown, “Fabrication and Characterization of a 5mm x 5mm Aluminum Lens-Based Histotripsy Transducer,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol. 69(4), pp. 1442-1451, 2022

• Sobhani, K. Latham, J.A. Brown, R. Zemp, “Bias-sensitive transparent single-element ultrasound transducers using hot-pressed PMN-PT,” Optics Letters, Vol. 4(10), pp. 2606-2614, 2021

• M. Mallay, J. Woodacre, T.G. Landry, N. Campbell, J.A. Brown, A Dual Frequency Lens Focused Endoscopic Histotripsy Transducer, IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, 2021, May, TUFFC.2021.3078326 published ahead online

• K. Latham, C. Samson, J.A. Brown, “A New 3D Imaging Technique Integrating Ultrafast Compounding, Hadamard Encoding, and Reconfigurable Fresnel Lensing,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol. 68, pp. 1618-1621, 2021

• Zhang, L. Fan, T. Landry, J.A. Brown, Z. Chen, Z. Yu, S. Yin, J. Wang, “ Ultrasound Micro-Bubble Cavitation Facilitates Adeno-Associated Virus Mediated Cochlear Gene Transfection Across the Round Window Membrane,” Bioengineering and Translational Medicine, 2020 Oct 3;6(1):e10189

• K. Latham, C. Samson, J. Woodacre, J.A. Brown, “A 30 MHz, 3D Imaging, Forward Looking Miniature Endoscope based on a 128 element Relaxor Array,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, vol. 68, no. 4, pp. 1261-1271, April 2021, doi: 10.1109/TUFFC.2020.3027907

• C.A. Samson, R. Adamson, J.A. Brown, “Ultrafast Phased Array Imaging using Sparse Orthogonal Diverging Waves,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 67, no. 10, pp. 2033-2045, 2020

• J. Brown, “Minimally Invasive, In-Vivo Functional Ultrasound Imaging of the Auditory Cortex,” Canadian Audiologist, Special Issue, Vol 6, Issue 5, 2019

• C. Ceroici, K. Latham, B. Greenlay, J.A. Brown, R. Zemp, “Fast Orthogonal Row-Column Electronic Scanning (FORCES) Experiments and Comparisons, IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 66, Issue. 6, pp. 1093-1101, 2019

• H. Hanafi, A. Milne, D. Henzler, U. Peters, K. ElSankary, G. Maksym, “Tracking Respiratory Mechanics with Oscillometry: Introduction of Time-Varying Error,” IEEE Sensors, Vol. 19:1, pp. 1530 – 1547, 2018

• K. Latham, C. Ceroici, C.A. Samson, R. Zemp, J.A. Brown, “Simultaneous Azimuth and Fresnel Elevation (SAFE) Compounding: A Fast 3D Imaging Technique for Crossed Electrode Arrays, IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol. 69, Issue 9, pp. 1657-1668, 2018

• C. Ceroici, K. Latham, J.A. Brown, R. Zemp, “Imaging Using Hadamard encoding with Crossed Electrode Relaxor Array,” Optics Letters, Vol 14, Issue. 43, pp. 3425-3428, 2018

• J.K. Woodacre, T.G. Landry, J.A. Brown, “A Low-Cost Miniature Histotripsy Transducer for Precision Tissue Ablation,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 65(11), pp. 2131-2140, 2018

• H. Hanafi, A. Milne, D. Henzler, U. Peters, K. ElSankary, G. Maksym, “Tracking Respiratory Mechanics with Oscillometry: Introduction of Time-Varying Error,” IEEE Sensors, Vol. 19:1, pp. 1530 – 1547, 2018

• T.G Landry, G. Earle, J.A. Brown, M. Bance, ”Real-time Intracochlear imaging of Automated Cochlear Implant Insertions in Whole Decalcified Cadaver Cochleas using ultrasound, Cochlear Implants International, Paper ID: YCII 1460024, 2018

• T.G Landry, M. Bance, J.L. R.B. Adamson, J.A. Brown, “Prolonged pulsed high frequency ultrasound imaging of the basilar membrane does not affect cochlear function,” Hearing Research, (In Press, no. HEARES_2017_307), 2017

• T.G Landry, M. Bance, J.L. Leadbetter, R.B. Adamson, J.A. Brown, “In Vivo Measurement of Basilar Membrane Vibration in the Unopened Chinchilla Cochlea Using High Frequency Ultrasound,” JASA, 141(6) 4610, 2017

• C.A. Samson, A. Bezanson, J.A. Brown, “A Sub Nyquist, Variable Sampling, High Frequnecy Phased Array Beamformer,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, (In Press, manuscript no. TUFFC-07930-2016)

• D. MacDougall, J. Farrell, M. Bance, J.A. Brown, R.A. Adamson, “Swept-Source Optical Coherence Tomography for Real-Time In-Vivo Otology Imaging with GPU Accelerated Doppler Vibrography,” Biomedical Optics Express, Vol. 16, Issue 11, pp. 4621-4635, 2016

• J. Rainsbury, T. Landry, J.A. Brown, R. Adamson, M. Bance, “High-Frequency Ex-Vivo Ultrasound Imaging of the Middle Ear to Show Simulated Pathology,” Otology and Neurotology, Vol 37(5), pp. 586-592, 2016.

• A. Kotiya, M.Bance, J. Leadbetter, J.A. Brown, R. Adamson, “Functional Testing of Subcutaneous Piezoelectrically Actuated Hearing Aid (SPAHA): Comparison with Baha and Potential for Treating Single Sided Deafness,” Otology and Neurotology, Vol. 37(6), pp. 753-760, 2016.

• A. Kotiya, M.Bance, J. Leadbetter, J.A. Brown, R. Adamson,” Subcutaneous Piezoelectrically Actuated Hearing Aid (SPAHA): Optimisation of Piezoelectric Actuator and Effect of Biocompatible Casing on its Performance “ Otology and Neurotology, (Submitted, 2016)

• T. Landry, J. Rainsbury, R. Adamson, M. Bance, J.A. Brown, “Real-Time Imaging of the Human Middle Ear,” Hearing Research, Vol. 326, pp. 1-7, 2015

• D. Macdougall, J. Rainsbury, J.A. Brown, M. Bance, R. Adamson, “Optical Coherence Tomography Requirements for Clinical Diagnostic Middle Ear Imaging,” Journal of Biomedical Optics Vol. 20 (5), 056008, 2015

• H. Vihvelin, J. Leadbetter, M. Bance, J.A. Brown, R.adamson, “Compensating for Tissue Changes in an Ultrasonic Power Link for Implanted Medical Devices,” IEEE Transactions on Biomedical Circuits and Systems, Issue 99, ISSN 1932-4545, 2015

• J.A. Brown, S. Sundaresh, J. Leadbetter, A. Bezanson, S. Cochran, R. Adamson, “Mass-Spring Matching Layers for High Frequency Ultrasound Transducers: A New Technique Using Vacuum Deposition,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol.. 61, pp. 1911-1921, 2014

• A. Bezanson, R. Adamon, M. Bance, J.A. Brown, “Fabrication and Performance of a Miniaturized 64-Element High-Frequency Endoscopic Phased Array,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol 61, pp 33-43, 2014

• Y. Zhang, P. Garland, R. Adamson, J.A. Brown, “The Quenched State with Dominant Shear Vibration Mode Originated from Domain Reconfiguration in [001] Oriented PMN-PT Single Crystals,” Journal of Applied Physics, Vol. 115, no. 21, pp. 214101-214101-10 (Featured cover article), 2014

• H. Hanafi Alamdari, L. Posada, S. Bhatawadekar, J.A. Brown, and G. Maksym “A Resonance-Mode Piezoelectric Device for Measurement of Respiratory Mechanics,” Journal of Biomedical Science and Engineering, Vol. 6 no. 11, pp. 1062-1071, 2013

• H. Tareq Imam, J.A. Brown, R. Adamson, Y. Ma, “Active Control of 2D MEMs Micro-Mirror With Decoupling Electrodes,” Canadian Journal of Electrical and Electronic Engineering (accepted with Minor Revisions 2014)

• J.A. Brown, K. Dunphy, J. Leadbetter, R.Adamson, O. Beslin, “Fabrication and Performance of a Single-Crystal Lead Magnesium Niobate-Lead Titanate (PMN-PT) Hydrophone for Increased Sensitivity,” JASA. 134:2, pp. 1031-1038, 2013

• Z. Torbatian, R. Adamson, J.A. Brown, “Experimental Verification of Pulse Probing Technique for Phase Coherence Grating Lobe Suppression,” IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control, Vol. 60, pp. 1324-1332, 2013

• C. McKnight, M. Bance, J.A. Brown, D. Doman, R. Adamson, “Direct Measurement of the wavelength of sound waves in the Human Skull,” JASA, Vol 133:1, pp. 136-145, 2013

• Z. Torbatian, P. Garland, M. Bance, R. Adamson, J.A. Brown, “Listening to the Cochlea with High-Frequency Ultrasound,” Ultrasound in Medicine and Biology, Vol 38:12, pp. 2208-2217, 2012

Conference proceedings

• J. Woodacre, T. Landry, J.A. Brown, “Real-Time Imaging, Targeting, and Ablation of Ex-Vivo Tissue Using Handheld Histotripsy Transducer and Co-registered 64-Element High Frequency Endoscopic Phased Array,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, IUS2016-001324, 2016

• C. Samson, K. Latham, J.A. Brown, “Real-Time, Split Aperture Phased Array Beamformer with Efficient Sign Coherence Grating Lobe Suppression,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, IUS2016-001297, 2016

• K. Latham, C. Samson, A. Bezanson, J.A. Brown, “Design and Preliminary Results for a High Frequency Crossed Electrode Phased Array, Based on a Re-configurable Fresnel Lens,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, IUS2016-001387, 2016

• C. Samson, J. Leadbetter, J.A. Brown, “A 50 MHz Phased Array Beamformer Using a Novel ‘One Sample per pixel’ Variable Sampling Technique,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, 10.1109/ULTSYM.2015.0196, 2015

• K. Latham, R. Zemp, J.A. Brown, “Simulation of Fresnel based beam focusing and steering for a crossed electrode array,” Canadian Acoustics, 43 (3), ISSN 2291-1391, 2015

• D. MacDougall, T.L Landry, M.Bance, J.A. Brown, R.A. Adamson, “Optical Coherence Tomography for Clinical Otology,” Canadian Acoustics, 43 (3), ISSN 2291-1391, 2015

• A. Bezanson, J. Leadbetter, J.A. Brown “Fabrication of a High-Frequency Phased Array with Sparse Vernier Array Element Spacing for Grating Lobe Suppression,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, pp. 671-674, 2014

• K. Latham, C. Arthur, J.A. Brown, “Broad-Band, Large Delay Range, High Precision, and Variable Analog Delay Lines for a High-Frequency Phased Array Beamformer,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, pp. 2197-2200, 2014

• J.A. Brown, S. Sharma, J. Leadbetter, S. Cochran, R. Adamson, “Vacuum Deposition of Mass-Spring Matching Layers for High-Frequency Ultrasound Transducers,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, pp. 101-104, 2014

• Y. Zhang, P. Garland, R. Adamson, J.A. Brown “An induced state with dominant shear vibration mode originating from domain reconfiguration in [001]-poled PMN-PT single crystal,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, pp. 2083-2086, 2014

• J.A. Brown, J. Leadbetter, Michael Leung, A. Bezanson, R. Adamson, “A Low-Cost Open Source High Frame-Rate High-Frequency Imaging System,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, pp. 549-552, 2013

• A. Bezanson, R. Adamson, J.A. Brown “Performance of a Miniaturized 64-Element High-Frequency Phased Array Based on PMN-PT,” Proc. IEEE International Symposium on Ultrasonics Ferroelectrics, and Frequency Control, , pp. 765-768, 2013

• J.A. Brown, K. Dunphy, O. Beslin, “A Single-Crystal Acoustic Hydrophone for Increased Sensitivity,” Proc. Acoustical Society of America symposium, Vol. 19, pp. 070056, 2013

• J. Leadbetter, J.A. Brown, R. Adamson, “The Design of Ultrasonic Lead Magnesium Niobate-Lead Titanate (PMN-PT) Composite Transducers for Power and Signal Delivery to an implanted hearing Aid,” Proc. Acoustical Society of America symposium, Vol. 19, pp. 030029, 2013

• H. Vihvelin, J. Leadbetter, J.A. Brown, R. Adamson, “A Modulator and Driver for High Efficiency Ultrasonic Link Providing Power and Signal to an Implanted Hearing Aid,” Proc. Acoustical Society of America symposium, Vol. 19, pp. 030028, 2013

• H. Imam, R. Adamson, J.A. Brown, Y, Ma, “Two Dimensional (2D) Micromirror with Enhanced Tilting Angle Using Active Control Methods,” Optical MEMs and Nanophotonics (OMN), International Conference on, ISSN no. 2160-5033, pp. 113-114, 2012

• P. Garland, A. Bezanson, R. Adamson, J.A. Brown, “Discovery of Microscopic Tetragonal Structure of Oriented PMN-PT after Quenching from a Poled State,” Proc. IEEE International Symposium on Ultrasonics, Dresden Germany, pp. 2521-2524, 2012

• Z.Torbatian, R. Adamson, J.A. Brown, “A Virtual Point Source Pulse Probing Technique for Suppressing Grating Lobes in Large Pitch Phased Arrays,” Proc. IEEE International Symposium on Ultrasonics, pp. 1291-1294, 2012

• A. Bezanson, R. Adamson, J.A. Brown, “Fabrication of a Miniaturized 64-Element Phased Array,” Proc. IEEE International Symposium on Ultrasonics, pp. 2114-2117, 2012

• J.A. Brown, “Micro-Transducers for Ultrasonic Imaging,” Proc. Microscopical Society of Canada, Halifax, NS, 2012

• T.G. Landry, H. Ross, M.Bance, J.A. Brown, “Ex-Vivo High Imaging of the Whole Cochlea Using Ultrasound Biomicroscopy,” Proc. Microscopical Society of Canada, Halifax, NS, 2012