University College Cork (UCC): Ultrasonics Research Group

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Ultrasonics Research Group Publications

Journal Papers

K. W. A. van Dongen and W. M. D. Wright, "A full vectorial Contrast Source inversion scheme for 3D acoustic imaging of both compressibility and density profiles", J. Acoust. Soc. Am., Vol. 121, No. 3, pp. 1538-1549 (2007) <PDF> <Download>
K. W. A. van Dongen, C. Brennan and W. M. D. Wright, "Reduced forward operator for electromagnetic wave scattering problems", IET Proc. Sci., Meas. Tech., Vol. 1, No. 1, pp. 57-62 (2007) <PDF> <Download>
K. W. A. van Dongen and W. M. D. Wright, "A forward model and conjugate gradient inversion technique for low-frequency ultrasonic imaging", J. Acoust. Soc. Am., Vol. 120, No. 4, pp. 2086-2095 (2006) <PDF> <Download>
W. M. D. Wright, P. Ingleby and I. J. O'Sullivan, "Air-coupled through-transmission fan-beam tomography using divergent Capacitive Ultrasonic Transducers (CUTs)", IEEE Trans. Ultrason. Ferroelec. Freq. Contr., Vol. UFFC-52, No. 12, pp. 2384-2394 (2005) <PDF> <Download>
T. H. Gan, D. A. Hutchins, P. W. Carpenter and W. M. D. Wright, "Simultaneous reconstruction of flow and temperature cross-sections in gases using acoustic tomography", J. Acoust. Soc. Am., Vol. 114, No. 2, pp. 759-766 (2003) <PDF> <Download>
I. J. O’Sullivan and W. M. D. Wright, "Ultrasonic measurement of gas flow using electrostatic transducers", Ultrasonics, Vol. 40, No. 1-8, pp. 407-411 (2002) <PDF> <Download>
P. Ingleby and W. M. D. Wright, "Ultrasonic imaging in air using fan-beam tomography and electrostatic transducers", Ultrasonics, Vol. 40, No. 1-8, pp. 507-511 (2002) <PDF> <Download>
W. M. D. Wright and D. A. Hutchins, "Monitoring of binder removal from injection molded ceramics using air-coupled ultrasound at high temperature", IEEE Trans. Ultrason. Ferroelec. Freq. Contr., Vol. UFFC-46, No. 3, pp. 647-653 (1999) <PDF> <Download>
W. M. D. Wright and D. A. Hutchins, "Air-coupled ultrasonic testing of metals using broadband pulses in through-transmission", Ultrasonics, Vol. 37, No. 1, pp. 19-22 (1999) <PDF> <Download>
D. A. Hutchins, D. W. Schindel, A. G. Bashford and W. M. D. Wright, "Advances in ultrasonic electrostatic transduction", Ultrasonics, Vol. 36, No. 1-5, pp. 1-6 (1998) <PDF> <Download>
W. M. D. Wright and D. G. Chetwynd, "Can charge writing aid nanotechnological manipulation?", Nanotechnology, Vol. 9, No. 2, pp. 133-142 (1998) <PDF> <Download>
W. M. D. Wright, D. W. Schindel, D. A. Hutchins, P. W. Carpenter and D. P. Jansen, "Ultrasonic tomographic imaging of temperature and flow fields in gases using air-coupled capacitance transducers", J. Acoust. Soc. Am., Vol. 104, No. 6, pp. 3446-3455 (1998) <PDF> <Download>
W. Wright, D. Hutchins, D. Jansen and D. Schindel, "Air-coupled Lamb wave tomography", IEEE Trans. Ultrason. Ferroelec. Freq. Contr., Vol. UFFC-44, No. 1, pp. 53-59 (1997) <PDF> <Download>
A. G. Bashford, D. W. Schindel, D. A. Hutchins and W. M. D. Wright, "Field characterization of an air-coupled micromachined ultrasonic capacitance transducer", J. Acoust. Soc. Am., Vol. 101, No. 1, pp. 315-322 (1997) <PDF> <Download>
W. M. D. Wright, D. A. Hutchins, A. Gachagan and G. Hayward, "Polymer composite material characterisation using a laser/air-transducer system", Ultrasonics, Vol. 34, No. 8, pp. 825-833 (1996) <PDF> <Download>
W. M. D. Wright, D. A. Hutchins, G. Hayward, and A. Gachagan, "Ultrasonic imaging using laser generation and piezoelectric air-coupled detection", Ultrasonics, Vol. 34, No. 2-5, pp. 405-409 (1996) <PDF> <Download>
W. M. D. Wright, D. A. Hutchins and M. H. Lewis, "Ultrasonic imaging of silicon nitride ceramic before and after firing", J. Mat. Sci. Lett., Vol. 14, No. 5, pp. 366-369 (1995) <PDF> <Download>
D. A. Hutchins, W. M. D. Wright, G. Hayward and A. Gachagan, "Air-coupled piezoelectric detection of laser-generated ultrasound", IEEE Trans. Ultrason. Ferroelec. Freq. Contr., Vol. UFFC-41, No. 6, pp. 796-805 (1994) <PDF> <Download>
D. A. Hutchins, W. M. D. Wright and D. W. Schindel, "Ultrasonic measurements in polymeric materials using air-coupled capacitance transducers", J. Acoust. Soc. Am., Vol. 96, No. 3, pp. 1634-1642 (1994) <PDF> <Download>
W. M. D. Wright, D. W. Schindel and D. A. Hutchins, "Studies of laser-generated ultrasound using a micromachined silicon electrostatic transducer in air", J. Acoust. Soc. Am., Vol. 95, No. 5 Pt. 1, pp. 2567-2575 (1994) <PDF> <Download>

Conference Papers

S. G. McSweeney and W. M. D. Wright, "Real Time Adaptive Parametric Equalisation of Ultrasonic Transducers", Proc. IEEE International Ultrasonics Symposium, Rome, Italy, 20th-23rd September 2009, in press (2009) <PDF>
W. M. D. Wright and S. A. O'Riordan, "Characterization of capacitive ultrasonic transducer gas flow meters", Proc. 26th International Manufacturing Conference (IMC26), Dublin, Ireland, 2nd – 4th September 2009, pp. 207-214 (2009) <PDF>
S. G. McSweeney and W. M. D. Wright, "Compensation Network Design for Capacitive Ultrasonic Transducers", Proc. Irish Signals and Systems Conference (ISSC 2009), Dublin, Ireland, 10th-11th June 2009, in press (2009) <PDF>
A. J. Constant and W. M. D. Wright, "Estimation of Tissue Elasticity by Image Processing of Simulated B-mode Ultrasound Images", Proc. Irish Signals and Systems Conference (ISSC 2009), Dublin, Ireland 10th-11th June 2009, in press (2009) <PDF>
S. G. McSweeney and W. M. D. Wright, "Improving the Bandwidth of Air Coupled Capacitive Ultrasonic Transducers Using Selective Networks", Proc. 2008 IEEE International Ultrasonics Symposium, pp. 1191-1194 (2008) <Download>
P. Jesudoss, A. Mathewson, W. Wright, B. O'Flynn and F. Stam, "Effect of solder volume on joint shape with variable chip-to-board contact pad ratio", Proc. 32nd International Microelectronics and Packaging IMAPS-CPMT Poland Conference, Warszawa-Pułtusk, Poland, 21st-24th September 2008, in press (2008)
P. Jesudoss, A. Mathewson, W. Wright and F. Stam, "Evaluation of chip-to-board interconnection using variable aspect ratio contact pad areas", Proc. 26th International Conference on Microelectronics (MIEL 2008), Nis, Serbia, 11th - 14th May 2008, pp. 565-568 (2008) <Download>
T. M. Dolan and W. M. D. Wright, "Ultrasonic transducers for gas and liquid flow metering", 24th International Manufacturing Conference (IMC24), Waterford, Ireland, 29th – 31st August 2007, Vol. 1, pp. 301-308 (2007) <PDF>
S. G. McSweeney and W. M. D. Wright, "Software interface and vision system for a SCARA robot", 24th International Manufacturing Conference (IMC24), Waterford, Ireland, 29th – 31st August 2007, Vol. 2, pp. 1041-1048 (2007) <PDF>
W. M. D. Wright, O. M. Doyle and C. T. Foley, "Multi-channel data transfer using air-coupled capacitive ultrasonic transducers”, Proc. 2006 IEEE Ultrasonics Symposium, pp. 1805-1808 (2006) <Download>
K. W. A. van Dongen and W. M. D. Wright, "Acoustic imaging for supporting hyperthermia cancer treatment", 37th Annual Scientific Meeting of the British Medical Ultrasound Society, Manchester, UK, 13th - 15th December 2005, published in Ultrasound, Journal of the British Medical Ultrasound Society (ISSN 1742-271X), Vol. 13, No. 4, p. 262 (2005)
K. M. Bograchev and W. M. D. Wright, "Computer Modelling of Iterative Technique Application For Tissue Thermal Imaging", Proc. 2005 IEEE Ultrasonics Symposium, Vol. 4, pp. 2038-2041 (2005) <Download>
K. W. A. van Dongen and W. M. D. Wright, "A Contrast Source Inversion Scheme for Imaging Acoustic Contrast", Proc. IEE Irish Signals and Systems Conference 2005, Dublin, Ireland, September 1st - 2nd 2005, pp. 278-283 (2005)
K. W. A. van Dongen, C. Brennan and W. M. D. Wright, "A Reduced Forward Operator for Acoustic Scattering Problems", Proc. IEE Irish Signals and Systems Conference 2005, Dublin, Ireland, September 1st - 2nd 2005, pp. 294-299 (2005)
W. M. D. Wright and S. K. Brini, "Capacitive Ultrasonic Transducers for gas flow metering applications", FLOMEKO 2005, Peebles Hotel Hydro, Scotland, 6th - 9th June 2005
K. W. A. van Dongen and W. M. D. Wright, "A Conjugate Gradient Imaging Method to Support Hyperthermia Treatment", 36th Annual Scientific Meeting of the British Medical Ultrasound Society, Manchester, UK, 8th - 10th December 2004, published in Ultrasound, Journal of the British Medical Ultrasound Society, Vol. 12, No. 4, p. 231 (2004)
K. W. A. van Dongen and W. M. D. Wright, "Forward modeling of propagation and scattering of acoustic waves for hyperthermia treatment", 148th Meeting of the Acoustical Society of America, San Diego, California 15th - 19th November 2004, published in J. Acoust. Soc. Am., Vol. 116, No. 4 Pt. 2, p. 2560 (2004) <Download>
K. M. Bograchev and W. M. D. Wright, "Computational methods for imaging small temperature changes using ultrasonic through-transmission tomography for thermal cancer treatment", 148th Meeting of the Acoustical Society of America, San Diego, California 15th - 19th November 2004, published in J. Acoust. Soc. Am., Vol. 116, No. 4 Pt. 2, p. 2561 (2004) <Download>
K. W. A. van Dongen and W. M. D. Wright, "A contrast source inversion method for imaging acoustic contrasts", 148th Meeting of the Acoustical Society of America, San Diego, California 15th - 19th November 2004, published in J. Acoust. Soc. Am., Vol. 116, No. 4 Pt. 2, p. 2508 (2005) <Download>
W. M. D. Wright and I. J. O’Sullivan, "Fan-Beam Tomography of Air Flow in Pipes using an Electrostatic Ultrasonic Transducer Array", Proc. 2002 IEEE Ultrasonics Symposium, pp. 696-699 (2003) <Download>
I. J. O’Sullivan and W. M. D. Wright, "Ultrasonic tomographic imaging of air flow in pipes using an electrostatic transducer array", Review of Progress In Quantitative NonDestructive Evaluation, Vol. 22A, Bellingham, Washington 2002, pp. 666-673 (2003)
W. M. D. Wright and P. Ingleby, "Effect of Kernel Function on Ultrasonic Fan-Beam Tomographic Reconstructions in Gases using Filtered Back Projection", Proc. Irish Signals and Systems Conference ISSC 2002, pp. 35-40 (2002) [ISBN: 0-9542973-0-X]
I. J. O’Sullivan, W. M. D. Wright and P. Ingleby, "The Effects of Projection Undersampling and Number of Projections on Aliasing Artifacts in Ultrasonic Tomographic Images in Air", Proc. Irish Signals and Systems Conference ISSC 2002, pp. 65-70 (2002) [ISBN: 0-9542973-0-X]
D. R. Billson, D. A. Hutchins, J. McIntosh, W. M. D. Wright, R. A. Noble and R. D. Jones, "Detection of Laser Generated Ultrasound by Micromachined Capacitance Transducers", Review of Progress In Quantitative NonDestructive Evaluation, Vol. 19, Ch. 509, Pt. A, pp. 319-326 (2000)
D. A. Hutchins, W. M. D. Wright, D. W. Schindel and P. W. Carpenter, "Ultrasonic capacitance transducers for flow and temperature tomography in air", Proc. 16th International Congress on Acoustics & 135th Meeting of the Acoustical Society of America (ICA/ASA98), Vol. II, pp. 743-744 (1998) <Download>
D. A. Hutchins, A. G. Bashford, W. M. D. Wright, D. W. Schindel and A. Kumar, "Air-coupled ultrasonic capacitance transducers for NDT", Trends in NDE Science and Technology - Proceedings of the 14th World Conference on NDT (14TH WCNDT), Vol. 1-5, Ch. 566, pp. 2061-2064 (1996)
W. M. D. Wright, D. A. Hutchins and D. W. Schindel, "Noncontact ultrasonic tomography imaging using air-coupled capacitance transducers", Review of Progress In Quantitative NonDestructive Evaluation, Vol. 15, Ch. 305, Pt. A&B, pp. 1051-1058 (1996)
D. A. Hutchins, A. G. Bashford, W. M. D. Wright and D. W. Schindel, "Advances in wide bandwidth air-coupled capacitance transducers", IEEE 1995 Ultrasonics Symposium Proceedings, Ch. 336, pp. 981-984 (1995) <Download>
D. A. Hutchins, W. M. D. Wright, L. P. Scudder and D. W. Schindel, "Pulsed photoacoustics using an air-coupled detector", Acustica, Vol. 82, No. S1, pp. S119 (JAN-FEB 1996)
D. A. Hutchins, W. M. D. Wright, L. P. Scudder, J. T. Mottram and D. W. Schindel, "Air-coupled ultrasonic testing of composites", Inspection of Structural Composites, Conference Proceedings 1994, Ch. 17, pp. 99-113 (1994)
W. M. D. Wright, D. A. Hutchins and D. W. Schindel, "Ultrasonic evaluation of polymers and composites using air-coupled capacitance transducers", Review of Progress in Quantitative NonDestructive Evaluation, Vol. 14, Ch. 312, Pt. A&B, pp. 1399-1406 (1995)
W. M. D. Wright, D. A. Hutchins, A. Gachagan and G. Hayward, "Evaluation of fiber-reinforced composites using a noncontact laser air-transducer system", Review of Progress in Quantitative NonDestructive Evaluation, Vol. 14, Ch. 312, Pt. A&B, pp. 1333-1340 (1995)
D. A. Hutchins, A. G. Bashford, W. M. D. Wright and D. W. Schindel, "Characterization of the field of an air-coupled ultrasonic silicon capacitance transducer", Review of Progress in Quantitative NonDestructive Evaluation, Vol. 14, Ch. 312, Pt. A&B, pp. 945-950 (1995)
A. Gachagan, G. Hayward, W. M. D. Wright and D. A. Hutchins, "Air coupled piezoelectric detection of laser-generated ultrasound", IEEE 1993 Ultrasonics Symposium Proceedings, Vol. 1&2, Ch. 259, pp. 651-654 (1993) <Download>
W. M. D. Wright, D. A. Hutchins and G. Hayward, "Ultrasonic evaluation of ceramics during manufacture", Ultrasonics International 93 - Conference Proceedings, Ch. 203, pp. 265-268 (1993)
W. M. D. Wright, D. A. Hutchins and G. Hayward, "Ultrasonic velocity imaging of slip-cast silicon nitride ceramics", International Conference on Acoustic Sensing & Imaging, Ch. 53, No. 369, pp. 245-250 (1993) <Download>
G. Hayward, A. Gachagan, R. Hamilton, D. A. Hutchins and W. M. D. Wright, "Ceramic-epoxy composite transducers for noncontacting ultrasonic applications", SPIE Conference on New Developments in Ultrasonic Transducers and Transducer Systems, Ch. 29, pp. 49-56 (1992)
W. Lauriks, B. Castagnede, J. Thoen, W. Wright, D. Hutchins and D. Schindel, "Determination of the tortuosity of porous materials using new air-coupled ultrasonic transducers", Proceedings of the 11th International FASE Symposium, pp. 11-14 (Nov 1994)

Other Publications and Presentations

K. W. A. van Dongen and W. M. D. Wright, "A conjugate gradient inversion scheme for imaging acoustic contrasts", 11th Annual Symposium of the Irish Society for Scientific and Engineering Computation (ISSEC), University College Cork, 20th-21st May 2005, pp. 8 (2005)
K. M. Bograchev and W. M. D. Wright, "Reconstruction OF temperature distribution in the presence of acoustically non-transparent objects", 11th Annual Symposium of the Irish Society for Scientific and Engineering Computation (ISSEC), University College Cork, 20th-21st May 2005, pp. 14 (2005)
K. W. A. van Dongen and W. M. D. Wright, "Comparison of models of capacitive ultrasonic transducers", 11th Annual Symposium of the Irish Society for Scientific and Engineering Computation (ISSEC), University College Cork, 20th-21st May 2005, pp. 31 (2005)
Orla J. Burke and William M. D. Wright, "Advanced DSP techniques for ultrasonic monitoring of thermal cancer therapies", Poster presentation at The 12th Annual Research Day, Faculty of Medicine and Health, Cork University Hospital, 15th June 2004.
O. Burke, W. Wright and L. Marnane, "Non-invasive temperature estimation during cancer thermal therapies using diagnostic ultrasound", Poster presentation at The 11th Annual Research Day, Faculty of Medicine and Health, Cork University Hospital, 12th June 2003.
K. W. A. van Dongen and W. M. D. Wright, "Modeling scattered acoustic wavefields amd imaging temperature distributions during hyperthermia treatment", 10th Annual Symposium of the Irish Society for Scientific and Engineering Computation (ISSEC), University of Limerick, 21st-22nd May 2004, pp. 14 (2004)

Patents

Sean G. McSweeney and William M. D. Wright, "Circuits for ultrasonic transducers" European patent application number 08105496.7 and provisional US application number 61/102,946 (2008)