Prof. Leong Keey Seah Profile

Prof. Leong Keey Seah

Professor at Nanyang Technological Univ

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 9 December 2016 Open Access

Quantitative optical coherence microscopy for the in situ investigation of the biofilm

Ratheesh Kumar Meleppat, Christopher Shearwood, Leong Keey Seah, Murukeshan Vadakke Matham

JBO, Vol. 21, Issue 12, 127002, (December 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.12.127002

KEYWORDS: Optical coherence microscopy, Image resolution, Optical coherence tomography, Imaging systems, Reflection, Edge detection, Visualization, Glasses, Biological research, Biology

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Proceedings Article | 17 July 2015 Paper

Optical frequency domain imaging with a rapidly swept laser in the 1300nm bio-imaging window

Ratheesh Kumar Meleppat, Murukeshan Vadakke Matham, Leong Keey Seah

Proceedings Volume 9524, 95242R (2015) https://doi.org/10.1117/12.2190530

KEYWORDS: Optical coherence tomography, Calibration, Imaging systems, Point spread functions, Image resolution, Tissues, Eye, Spectral resolution, Signal processing, Optical imaging

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Proceedings Article | 17 July 2015 Paper

Quantification of biofilm thickness using a swept source based optical coherence tomography system

Ratheesh Kumar M., Murukeshan V. M., L. K. Seah, C. Shearwood

Proceedings Volume 9524, 95242L (2015) https://doi.org/10.1117/12.2190106

KEYWORDS: Optical coherence tomography, Refractive index, Point spread functions, Glasses, Light scattering, Optical imaging, Optical interferometry, Data acquisition, Reflectors, Reflection

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Proceedings Article | 4 March 2015 Paper

Flexural behavior of epoxy-carbon composite with diffusion effect

Leong Keey Seah, Zhiying Wang, Yian Zhao, Gin Boay Chai

Proceedings Volume 9302, 930225 (2015) https://doi.org/10.1117/12.2084788

KEYWORDS: Diffusion, Composites, Head, Water, Temperature metrology, Carbon, Superposition, Polymers, Corrosion, Glasses

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Proceedings Article | 4 March 2015 Paper

Evaluation of seawater exposure on mechanical properties and failure behavior of E-Glass/BMI composite for marine use

Yian Zhao, Zhiying Wang, Leong Keey Seah, Gin Boay Chai

Proceedings Volume 9302, 930226 (2015) https://doi.org/10.1117/12.2084674

KEYWORDS: Composites, Diffusion, Absorption, Water, Polymers, Brain-machine interfaces, Oceanography, Temperature metrology, Glasses, Fiber reinforced polymers

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Proceedings Article | 28 February 2008 Paper

A fluorescence lifetime imaging microscopy (FLIM) system for the characterization of haematoxylin and eosin stained sample

U. Dinish, C. Fu, B. Ng, T. Chow, V. Murukeshan, L. Seah, S. Tan

Proceedings Volume 6859, 68590C (2008) https://doi.org/10.1117/12.764412

KEYWORDS: Luminescence, Tissues, Fluorescence lifetime imaging, Cameras, Imaging systems, Molecules, Tumors, Microscopy, Diagnostics, Cancer

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Proceedings Article | 25 April 2005 Paper

A flexible endoscope system for dual-mode intracavity investigations

Vadakke Murukeshan, Narayanan Sujatha, Lin Ong, Leong Seah

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.591320

KEYWORDS: Endoscopes, Colon, Imaging systems, Speckle, Speckle pattern, Tissues, Fringe analysis, Natural surfaces, Endoscopy, Interferometry

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Proceedings Article | 12 April 2005 Paper

Use of fluorescence lifetime imaging (FLIM) for latent fingerprints detection

Peng Wang, Zhi Xia Chao, Leong Seah, Vadakke Murukeshan

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621984

KEYWORDS: Luminescence, Fluorescence lifetime imaging, Modulation, Signal detection, Demodulation, Homodyne detection, Phase shift keying, Phase shifts, Magnesium, Electro optical modeling

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Proceedings Article | 16 February 2005 Paper

All-fiber optic endoscope probe distal end for disease diagnosis in body cavities

Vadakke Murukeshan, N. Sujatha, Leong Seah, Lin Ong

Proceedings Volume 5651, (2005) https://doi.org/10.1117/12.580468

KEYWORDS: Luminescence, Imaging systems, Endoscopes, Tissues, Photons, Image transmission, Colon, Endoscopy, Spherical lenses, CCD cameras

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SPIE Journal Paper | 1 December 2004

Homodyne assisted multistep phase shifting in phase-resolved optical technique for latent fingerprint imaging

U. Dinish, Zhixia Chao, Vadakke Murukeshan, Leong Seah

OE, Vol. 43, Issue 12, (December 2004) https://doi.org/10.1117/12.10.1117/1.1812326

KEYWORDS: Luminescence, Homodyne detection, Modulation, Phase shifting, Phase shift keying, Phase shifts, Signal processing, Signal detection, Cameras, Imaging systems

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Proceedings Article | 14 October 2003 Paper

Imaging considerations in a fiber optic system for gastrointestinal endoscopy

Vadakke Murukeshan, Narayanan Unni Sujatha, Lin Ong, Leong Seah

Proceedings Volume 5143, (2003) https://doi.org/10.1117/12.499985

KEYWORDS: Endoscopes, Imaging systems, Tissues, Endoscopy, Photons, Tissue optics, Luminescence, Image resolution, Natural surfaces, Objectives

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SPIE Journal Paper | 1 April 2002

Quasi-distributed frequency-modulated continuous-wave reflectometric optical fiber strain sensor

Pei Won, Leong Seah, Guangping Xie

OE, Vol. 41, Issue 04, (April 2002) https://doi.org/10.1117/12.10.1117/1.1455653

KEYWORDS: Optical fibers, Semiconductor lasers, Sensing systems, Phase shifts, Signal processing, Signal detection, Modulation, Sensors, Heterodyning, Demodulation

Proceedings Article | 6 August 2001 Paper

FMCW reflectometric optical fiber strain sensor

Pei Won, Leong Seah, Anand Asundi

Proceedings Volume 4328, (2001) https://doi.org/10.1117/12.435539

KEYWORDS: Optical fibers, Semiconductor lasers, Sensing systems, Signal detection, Phase shifts, Signal processing, Sensors, Modulation, Heterodyning, Bandpass filters

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Proceedings Article | 13 June 2001 Paper

FMCW reflectometric optical fiber strain sensor

Pei Won, Leong Seah, Anand Asundi

Proceedings Volume 4317, (2001) https://doi.org/10.1117/12.429574

KEYWORDS: Optical fibers, Semiconductor lasers, Phase shifts, Signal processing, Signal detection, Sensors, Modulation, Sensing systems, Computing systems, Heterodyning

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Proceedings Article | 8 May 2001 Paper

Distributed FMCW reflectometric optical fiber strain sensor

Leong Seah, Pei Won

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427012

KEYWORDS: Optical fibers, Sensing systems, Sensors, Signal detection, Phase shifts, Signal processing, Heterodyning, Reflectometry, Semiconductor lasers, Single mode fibers

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Proceedings Article | 11 November 1999 Paper

Optical time-domain reflectometry for distributed sensing of the structural strain and deformation

Guangping Xie, Leong Seah, Anand Asundi

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369346

KEYWORDS: Sensors, Spatial resolution, Switches, Micro optical fluidics, Signal attenuation, Multimode fibers, Optical fibers, Reflectometry, Fiber optics sensors, Signal to noise ratio

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Proceedings Article | 7 May 1999 Paper

Using field bus for optical gas monitoring

Xiangyin Cheng, Leong Seah, Lin Ong, Anand Asundi

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347794

KEYWORDS: Sensors, Telecommunications, Data communications, Gas sensors, Receivers, Control systems, Signals intelligence, Toxic gases, Opacity, Optical testing

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Showing 5 of 17 publications

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