Dr. Jun Wang Profile

Dr. Jun Wang

Research Fellow at Nanyang Technological Univ

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Author

Publications (10)

Proceedings Article | 3 October 2008 Paper

A multipoint diffraction strain sensor using micro-lens array: review on variable sensitivity

J. Wang, Anand Asundi

Proceedings Volume 7155, 71551R (2008) https://doi.org/10.1117/12.814564

KEYWORDS: Sensors, Interferometers, Diffraction, Charge-coupled devices, Wavefront sensors, Microlens array, Wavefronts, Diffraction gratings, CCD image sensors, Microscopes

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Proceedings Article | 25 April 2008 Paper

A multipoint diffraction strain sensor using a micro-lens array: from theory to application

Jun Wang, Anand Asundi

Proceedings Volume 6995, 69950N (2008) https://doi.org/10.1117/12.782614

KEYWORDS: Diffraction, Sensors, Microlens array, Wavefronts, Confocal microscopy, Microscopes, Interferometers, Diffraction gratings, Fringe analysis, Charge-coupled devices

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SPIE Journal Paper | 1 March 2007

Whole-field optical strain sensor using a microlens array

Anand Asundi, Jun Wang, Anish Priyadarshi, Wei Zhou, Subodh Mhaisalkar, Lennie E. Lim

OE, Vol. 46, Issue 03, 034403, (March 2007) https://doi.org/10.1117/12.10.1117/1.2716372

KEYWORDS: Sensors, Diffraction gratings, Microlens array, Diffraction, Wavefront sensors, Interferometry, Optical engineering, CCD image sensors, Wavefronts, Objectives

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Proceedings Article | 12 April 2005 Paper

High-speed imaging for evaluation of silicon wafer defects

Jun Wang, Ganesha Udupa, Bryan Ngoi

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621673

KEYWORDS: Semiconducting wafers, Silicon, Speckle, Speckle pattern, High speed imaging, Nondestructive evaluation, Inspection, Interferometry, Defect inspection, Crystals

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Proceedings Article | 12 April 2005 Paper

A combined fiber optic digital shearography and holography system for defect inspection in Si-wafers

Ganesha Udupa, Jun Wang, Bryan Ngoi

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621526

KEYWORDS: Semiconducting wafers, Shearography, Digital holography, Fiber optics, Holography, Particles, Cameras, Defect detection, Head, Beam splitters

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SPIE Journal Paper | 1 June 2002

Strain contouring using gabor filters: principle and algorithm

Anand Asundi, Jun Wang

OE, Vol. 41, Issue 06, (June 2002) https://doi.org/10.1117/12.10.1117/1.1477440

KEYWORDS: Fringe analysis, Optical filters, Gaussian filters, Optical engineering, Image segmentation, Convolution, Fourier transforms, Algorithm development, Interferometry, Spatial filters

Proceedings Article | 29 May 2002 Paper

Strain contouring using Gabor filters: filter bank design

Jun Wang, W. Chen, Anand Asundi

Proceedings Volume 4537, (2002) https://doi.org/10.1117/12.468859

KEYWORDS: Moire patterns, Optical filters, Fringe analysis, Gaussian filters, Atrial fibrillation, Algorithm development, Fourier transforms, Image segmentation, Bandpass filters, Optical design

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Proceedings Article | 26 November 2001 Paper

Strain contouring using Gabor filters

Anand Asundi, Jun Wang

Proceedings Volume 4448, (2001) https://doi.org/10.1117/12.449383

KEYWORDS: Fringe analysis, Image segmentation, Image filtering, Deflectometry, Algorithm development, Fourier transforms, Optical filters, Gaussian filters, Mechanical engineering, Product engineering

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Proceedings Article | 30 October 2001 Paper

Fourier transform method for phase retrieving from fringe patterns without carrier: beware its theoretical error

Kemao Qian, Jun Wang

Proceedings Volume 4596, (2001) https://doi.org/10.1117/12.447357

KEYWORDS: Fourier transforms, Fringe analysis, Error analysis, Optical metrology, Phase shifting, Spatial frequencies, Bandpass filters, Image filtering, Photodetectors, Sensors

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Proceedings Article | 13 June 2001 Paper

Inspection of defects in wineglasses using Gabor-filter demodulation method

Jun Wang, Anand Asundi

Proceedings Volume 4317, (2001) https://doi.org/10.1117/12.429591

KEYWORDS: Inspection, Demodulation, Image filtering, Distortion, Feature extraction, Computing systems, Fringe analysis, Spatial frequencies, Optical filters, Glasses

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Showing 5 of 10 publications

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