Dr. Sunish J. Mathews Profile

Dr. Sunish J. Mathews

Research Associate at Univ College London

SPIE Involvement:

Author

Area of Expertise:

Optical fiber sensing , Photonic crystal fiber sensors , Optical detection of ultrasound , Photoacoustic sensing and imaging , Intravascular imaging , Ultrasonic needle tracking

Websites:

Company Website

Publications (13)

Proceedings Article | 6 March 2023 Presentation

Real-time ultrasonic needle tip tracking with an integrated fibre-optic hydrophone

Christian Baker, Miguel Xochicale, Francois Joubert, Fang-yu Lin, Sunish Mathews, Dzhoshkun Shakir, Sebastien Ourselin, Anna David, Brian Dromey, Adrien Desjardins, Tom Vercauteren, Wenfeng Xia

Proceedings Volume PC12368, PC1236801 (2023) https://doi.org/10.1117/12.2650092

KEYWORDS: Ultrasonics, Visibility, Ultrasonography, Standards development, Sensors, Reticles, Medical device development, Imaging systems, Acoustics

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Proceedings Article | 7 March 2019 Presentation

Ultrasonic needle tracking with a high-finesse Fabry-Perot fiber optic hydrophone (Conference Presentation)

Sunish Mathews, Sandy Mosse, Wenfeng Xia, Dzhoshkun Shakir, Yada Kunpalin, Edward Zhang, Paul Beard, Simeon West, Anna David, Adrien Desjardins

Proceedings Volume 10868, 108681D (2019) https://doi.org/10.1117/12.2509670

KEYWORDS: Ultrasonics, Fiber optics, Fabry–Perot interferometers, Ultrasonography, Sensors, Tissues, Tumors, Biopsy, Nerve, Target designation

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Proceedings Article | 15 March 2018 Presentation

All-optical intravascular probe for dual-mode photoacoustic imaging and optical coherence tomography (Conference Presentation)

Sunish Mathews, Chris Loder, Roby Rakhit, Wenfeng Xia, Edward Zhang, Paul Beard, Malcolm Finlay, Adrien Desjardins, Callum Little

Proceedings Volume 10494, 1049416 (2018) https://doi.org/10.1117/12.2289631

KEYWORDS: Optical coherence tomography, Photoacoustic imaging, Intravascular ultrasound, Coherence imaging, Photoacoustic spectroscopy, Visualization, Sensors, Image resolution, Optical imaging, Fabry–Perot interferometers

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Proceedings Article | 18 March 2016 Presentation + Paper

Miniature fibre optic probe for minimally invasive photoacoustic sensing

Sunish Mathews, Edward Zhang, Adrien Desjardins, Paul Beard

Proceedings Volume 9708, 97082R (2016) https://doi.org/10.1117/12.2211661

KEYWORDS: Sensors, Fiber optics, Fabry–Perot interferometers, Optical fibers, GRIN lenses, Acoustics, Tissues, Fiber optics sensors, Signal detection, Blood vessels, Single mode fibers, Wavelength division multiplexing

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Proceedings Article | 16 July 2015 Paper

Photoacoustic endoscopy probe using a coherent fibre optic bundle

R. Ansari, S. Mathews, E. Zhang, A. Desjardins, P. Beard

Proceedings Volume 9539, 953905 (2015) https://doi.org/10.1117/12.2183820

KEYWORDS: Photoacoustic spectroscopy, Sensors, Endoscopy, Transducers, Acoustics, Ultrasonography, 3D image processing, Surgery, Image sensors, Reconstruction algorithms

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Proceedings Article | 1 July 2015 Paper

Polymer fiber Bragg grating force sensors for minimally invasive surgical devices

Ginu Rajan, Sunish Mathews, Dean Callaghan, Gang-Ding Peng, Gerald Farrell

Proceedings Volume 9655, 96551E (2015) https://doi.org/10.1117/12.2184117

KEYWORDS: Sensors, Polymers, Fiber Bragg gratings, Polymeric sensors, Tissues, Calibration, Laparoscopy, Fiber optics sensors, Surgery, Temperature metrology

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Proceedings Article | 20 May 2013 Paper

Experimental study of temperature response of a microfiber coupler sensor with a liquid crystal overlay

Mianzhen Teng, Chongxiu Yu, Yuliya Semenova, Lin Bo, Pengfei Wang, Sunish Mathews, Qiang Wu, Gerald Farrell

Proceedings Volume 8794, 87942L (2013) https://doi.org/10.1117/12.2026008

KEYWORDS: Liquid crystals, Microsoft Foundation Class Library, Polymers, Temperature metrology, Sensors, Optical fibers, Telecommunications, Overlay metrology, Tunable filters, Ultraviolet radiation

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Proceedings Article | 7 November 2012 Paper

Spectral tuning of a microfiber coupler with a liquid crystal overlay

Lin Bo, Sunish Mathews, Qiang Wu, Gerald Farrell, Pengfei Wang, Yuliya Semenova

Proceedings Volume 8421, 842184 (2012) https://doi.org/10.1117/12.975208

KEYWORDS: Liquid crystals, Microsoft Foundation Class Library, Temperature metrology, Optical fibers, Fabrication, Silica, Waveguides, Liquids, Motion controllers, Control systems

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Proceedings Article | 14 May 2010 Paper

Characterization of liquid crystal coated photonic crystal fiber interferometers

Yuliya Semenova, Ginu Rajan, Gerald Farrell, Sunish Mathews

Proceedings Volume 7726, 77261U (2010) https://doi.org/10.1117/12.854262

KEYWORDS: Interferometers, Liquid crystals, Refractive index, Photonic crystal fibers, Cladding, Silica, Temperature metrology, Coating, Single mode fibers, Biosensing

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Proceedings Article | 14 May 2010 Paper

Liquid crystal filled photonic crystal fibers for voltage sensing applications

Gerald Farrell, Yuliya Semenova, Sunish Mathews

Proceedings Volume 7726, 77260R (2010) https://doi.org/10.1117/12.854270

KEYWORDS: Liquid crystals, Sensors, Photonic crystal fibers, Refractive index, Molecules, Single mode fibers, Polarizers, Fusion splicing, Transmittance, Birefringence

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Proceedings Article | 18 May 2009 Paper

Experimental demonstration of a ferroelectric liquid crystal tunable filter for fast demodulation of FBG sensors

Ginu Rajan, Gerald Farrell, Yuliya Semenova, Sunish Mathews

Proceedings Volume 7356, 73561O (2009) https://doi.org/10.1117/12.820629

KEYWORDS: Fiber Bragg gratings, Tunable filters, Sensors, Wave plates, Demodulation, Optical filters, Optical filtering, Ferroelectric LCDs, Sensing systems, Polarization

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Proceedings Article | 28 April 2009 Paper

Tunable properties of liquid crystal filled photonic crystal fibers

Yuliya Semenova, Sunish Mathews, Ginu Rajan, Gerald Farrell

Proceedings Volume 7316, 73161E (2009) https://doi.org/10.1117/12.820113

KEYWORDS: Photonic crystal fibers, Liquid crystals, Electronics, Refractive index, Ferroelectric LCDs, Cladding, Molecules, Fusion splicing, Solids, Polarizers

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Proceedings Article | 28 April 2008 Paper

Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors

Gerald Farrell, Yuliya Semenova, Ginu Rajan, Sunish Mathews

Proceedings Volume 7003, 70031X (2008) https://doi.org/10.1117/12.781209

KEYWORDS: Wave plates, Tunable filters, Optical filters, Fiber Bragg gratings, Liquid crystals, Sensors, Demodulation, Polarization, Crystals, Quartz

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Showing 5 of 13 publications

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