Prof. Richard J. Dewhurst Profile

Prof. Richard J. Dewhurst

Emeritus Professor at Univ of Manchester

SPIE Involvement:

Author

Proceedings Article | 13 February 2007 Paper

Amplitude decay of photoacoustic signals in biological tissue when irradiated by nanosecond laser pulses

Richard Dewhurst, Teng Li, Grzegorz Gondek

Proceedings Volume 6437, 643723 (2007) https://doi.org/10.1117/12.698887

KEYWORDS: Pulsed laser operation, Photoacoustic spectroscopy, Laser energy, Breast, Absorption, Teeth, Tissues, Tissue optics, Laser irradiation, Scattering

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SPIE Journal Paper | 1 September 2006 Open Access

Decay of photoacoustic signals from biological tissue irradiated by near infrared laser pulses

Grzegorz Gondek, Teng Li, Richard Lynch, Richard Dewhurst

JBO, Vol. 11, Issue 05, 054036, (September 2006) https://doi.org/10.1117/12.10.1117/1.2360690

KEYWORDS: Photoacoustic spectroscopy, Tissue optics, Laser tissue interaction, Pulsed laser operation, Breast, Laser irradiation, Absorption, Laser scattering, Laser energy, Biomedical optics

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Proceedings Article | 29 July 2004 Paper

Characterization and evaluation of portable FT-NIR instrumentation for life science measurements

Dimitrios Kalamatianos, Ralph Houston, John Edmunds, Peter Wellstead, Panos Liatsis, Maureen Thorniley, Richard Dewhurst

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.571368

KEYWORDS: Near infrared, Blood, Calibration, Interferometers, Algorithm development, Mirrors, Near infrared spectroscopy, Spectroscopes, Absorption, Sensors

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Proceedings Article | 29 July 2004 Paper

Photoacoustic imaging using a frequency domain synthetic aperture focusing technique

S. Boonsang, J. Zainal, Richard Dewhurst

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.572040

KEYWORDS: Ultrasonics, Photoacoustic spectroscopy, Signal to noise ratio, Image resolution, Photoacoustic imaging, Wave propagation, Transducers, Absorption, Tomography, Data processing

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Proceedings Article | 29 July 2004 Paper

Modeling of near-field and far-field diffraction effects of optoacoustic measurements in tissues

S. Boonsang, Richard Dewhurst

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.572030

KEYWORDS: Diffraction, Acoustics, Absorption, Tissues, Signal detection, Pulsed laser operation, Receivers, Near field, Optical properties, Sensors

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Proceedings Article | 12 December 2003 Paper

Algorithm development environment for an online FT-NIR spectrometer

Dimitrios Kalamatianos, John Edmunds, Peter Wellstead, Ralph Houston, Simon Christie, Maureen Thorniley, Richard Dewhurst

Proceedings Volume 5201, (2003) https://doi.org/10.1117/12.503538

KEYWORDS: Algorithm development, Prototyping, Software development, Control systems, MATLAB, Simulink, Spectroscopy, Interferometers, Near infrared, Human-machine interfaces

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Proceedings Article | 7 June 2000 Paper

Ophthalmic applications of laser-generated ultrasound

Peter Payne, Ali Sadr, Emanuel Rosen, Richard Dewhurst

Proceedings Volume 3908, (2000) https://doi.org/10.1117/12.387524

KEYWORDS: Ultrasonography, Interfaces, Eye, Ultrasonics, Transducers, Picosecond phenomena, Absorption, Nondestructive evaluation, Laser applications, Cornea

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Proceedings Article | 18 September 1996 Paper

Laser-ultrasound imaging of defects in carbon fiber composite materials

C. Chen, Q. Shan, Richard Dewhurst

Proceedings Volume 2782, (1996) https://doi.org/10.1117/12.250778

KEYWORDS: Carbon, Composites, Fiber lasers, Ultrasonography, Image processing, Imaging systems, Laser systems engineering, Fabry–Perot interferometry, Laser sources, Plasma

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Proceedings Article | 15 November 1994 Paper

Optical ultrasonic sensors for monitoring from industrial surfaces

Richard Dewhurst

Proceedings Volume 2248, (1994) https://doi.org/10.1117/12.194309

KEYWORDS: Ultrasonics, Ultrasonography, Interferometers, Sensors, Mirrors, Confocal microscopy, Fabry–Perot interferometry, Doppler effect, Heterodyning, Composites

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Showing 5 of 9 publications

Conference Committee Involvement (5)

Photons Plus Ultrasound: Imaging and Sensing 2008: The Ninth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics

20 January 2008 | San Jose, California, United States

Photons Plus Ultrasound: Imaging and Sensing 2007: The Eighth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics

20 January 2007 | San Jose, California, United States

Photons Plus Ultrasound Imaging and Sensing 2006: The Seventh Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics

22 January 2006 | San Jose, California, United States

Photons Plus Ultrasound: Imaging and Sensing

23 January 2005 | San Jose, CA, United States

Photons Plus Ultrasound: Imaging and Sensing

25 January 2004 | San Jose, CA, United States

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