Dr. Zhongping Fang Profile

Dr. Zhongping Fang

Senior Scientist at Singapore Institute of Manufacturing Technology

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Author

Publications (22)

SPIE Journal Paper | 1 June 2011 Open Access

Feasibility study on bonding quality inspection of microfluidic devices by optical coherence tomography

Shiguang Li, Zhiguang Xu, Soon Fatt Yoon, Zhong-ping Fang

JBO, Vol. 16, Issue 06, 066011, (June 2011) https://doi.org/10.1117/12.10.1117/1.3590747

KEYWORDS: Microfluidics, Interfaces, Inspection, Optical coherence tomography, Tomography, Plasma, Adhesives, Signal to noise ratio, Signal detection, Oxygen

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Proceedings Article | 2 April 2010 Paper

Monitoring and control of photoresist properties and CD during photoresist processing

Geng Yang, Yit-Sung Ngo, Andi Putra, Kar-Tien Ang, Arthur Tay, Zhong-Ping Fang

Proceedings Volume 7638, 763828 (2010) https://doi.org/10.1117/12.846560

KEYWORDS: Semiconducting wafers, Photoresist materials, Lithography, Critical dimension metrology, Spectroscopy, Photoresist processing, Manufacturing, Process control, Sensors, Resistance

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Proceedings Article | 17 June 2009 Paper

Inspection of misalignment factors in lens assembly

Xiang Li, Liping Zhao, Zhong Ping Fang

Proceedings Volume 7390, 739006 (2009) https://doi.org/10.1117/12.827446

KEYWORDS: Zinc, Wavefronts, Zernike polynomials, Wavefront sensors, Inspection, Optics manufacturing, Optical components, Light wave propagation, Helium neon lasers, Zemax

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Proceedings Article | 3 October 2008 Paper

Surface measurement with Shack-Hartmann wavefront sensing technology

X. Li, L. P. Zhao, Z. P. Fang, A. Asundi, X. M. Yin

Proceedings Volume 7155, 715515 (2008) https://doi.org/10.1117/12.814541

KEYWORDS: Wavefronts, Wavefront sensors, Optical design, Wave propagation, Spherical lenses, Image processing, Manufacturing, Bridges, Optical components, Light sources

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Proceedings Article | 25 April 2008 Paper

Review of production of microfluidic devices: material, manufacturing and metrology

Shiguang Li, Zhiguang Xu, Aaron Mazzeo, Daniel Burns, Gang Fu, Matthew Dirckx, Vijay Shilpiekandula, Xing Chen, Nimai Nayak, Eehern Wong, Soon Fatt Yoon, Zhong Ping Fang, Kamal Youcef-Toumi, David Hardt, Shu Beng Tor, Chee Yoon Yue, Jung-Hoon Chun

Proceedings Volume 6993, 69930F (2008) https://doi.org/10.1117/12.781942

KEYWORDS: Microfluidics, Process control, Polymers, Measurement devices, Confocal microscopy, Manufacturing, Glasses, Silicon, Polymethylmethacrylate, Scanning electron microscopy

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Proceedings Article | 18 June 2007 Paper

Digital Shack-Hartmann Wavefront Sensor for toroidal surface measurement

N. Bai, Li. P. Zhao, X. Li, Zhong Fang

Proceedings Volume 6616, 661644 (2007) https://doi.org/10.1117/12.726057

KEYWORDS: Spatial light modulators, Microlens array, Wavefront sensors, Spherical lenses, Wavefronts, Geometrical optics, Sensors, Optical testing, Surface finishing, Optical design

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Proceedings Article | 18 June 2007 Paper

Special lenslet array with long focal length range for Shack-Hartmann Wavefront Sensor

L. P. Zhao, N. Bai, X. Li, Z. P. Fang, A. A. Hein, Z. W. Zhong

Proceedings Volume 6616, 66161O (2007) https://doi.org/10.1117/12.726043

KEYWORDS: Wavefront sensors, Sensing systems, Charge-coupled devices, Spatial light modulators, CCD image sensors, Image sensors, Sensors, Wavefronts, Manufacturing, Staring arrays

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Proceedings Article | 12 April 2005 Paper

In situ inspection of inclusions in toughened glass panels of high-rise buildings

Xiang Li, Zhong Ping Fang, Ivan Reading, Liping Zhao, Siew Loong Chow

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621451

KEYWORDS: Glasses, Nickel, Inspection, Buildings, Light scattering, Refractive index, Heat treatments, Raman spectroscopy, Microscopes, Reflection

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Proceedings Article | 12 April 2005 Paper

Development of an optical interferometer for micro-components inspection

Shi Hua Wang, Chenggen Quan, Cho Jui Tay, Ivan Reading, Zhong Ping Fang

Proceedings Volume 5852, (2005) https://doi.org/10.1117/12.621998

KEYWORDS: Fringe analysis, Surface finishing, Objectives, Micromirrors, Interferometers, Interferometry, Phase shifts, Mirrors, CCD image sensors, Inspection

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Proceedings Article | 7 December 2004 Paper

Novel fiber optic sensor for grip testing

Li Ping Zhao, Zhong Ping Fang, Jinu Paul, Bryan Ngoi, Jun Hong Ng

Proceedings Volume 5588, (2004) https://doi.org/10.1117/12.569790

KEYWORDS: Fiber Bragg gratings, Calibration, Fiber optics sensors, Sensors, Biomedical optics, Fiber optics, Optical fibers, Temperature metrology, Fiber optics tests, Light sources

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SPIE Journal Paper | 1 October 2004

Novel configuration for lateral pressure tuning of a fiber Bragg grating without peak splitting

Jinu Paul, Liping Zhao, Bryan Ngoi, Zhong Ping Fang

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1783311

KEYWORDS: Fiber Bragg gratings, Polymers, Optical sensing, Optical communications, Coating, Birefringence, Mechanical engineering, Product engineering, Manufacturing, Packaging

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Proceedings Article | 10 September 2004 Paper

Simulation of the effect of adhesion and cross-sectional nonuniformity of coatings on the thermal tuning of fiber Bragg gratings

Jinu Paul, Liping Zhao, B.K.A. Ngoi, Zhong Ping Fang, Toh Yong, Zhaowei Zhong

Proceedings Volume 5465, (2004) https://doi.org/10.1117/12.545575

KEYWORDS: Fiber Bragg gratings, Optical coatings, Polymers, Optical fibers, Thermal effects, Finite element methods, 3D modeling, Silicon, Temperature metrology, Fiber coatings

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Proceedings Article | 17 August 2004 Paper

Application on multichannel V-groove inspection

Chongxiang Li, Anand Asundi, Zhong Ping Fang

Proceedings Volume 5458, (2004) https://doi.org/10.1117/12.544171

KEYWORDS: Inspection, Optical alignment, Silicon, Semiconducting wafers, 3D metrology, Sensors, Microelectromechanical systems, Anisotropic etching, Etching, Photomasks

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Proceedings Article | 8 March 2004 Paper

Improvement of thermal sensitivity of FBG sensors by combined cladding etching and polymer coating

Jinu Paul, Liping Zhao, Bryan Ngoi, Zhong Fang

Proceedings Volume 5272, (2004) https://doi.org/10.1117/12.516079

KEYWORDS: Fiber Bragg gratings, Polymers, Cladding, Coating, Etching, Sensors, Polymeric sensors, Temperature metrology, Optical sensing, Optical communications

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SPIE Journal Paper | 1 January 2004

Channel wavelength selectable single/dual-wavelength erbium-doped fiber ring laser

Tong Liu, Yeng Chai Soh, Qijie Wang, Ying Zhang, Zhong Fang

OE, Vol. 43, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1627773

KEYWORDS: Fiber lasers, Optical amplifiers, Interferometers, Light sources, Optical filters, Mach-Zehnder interferometers, Laser applications, Electronic filtering, Tunable lasers, Wavelength division multiplexing

Proceedings Article | 10 November 2003 Paper

Channel-wavelength-selectable multiwavelength ring laser using a cascaded fiber MZ interferometer and an EDFA

Tong Liu, Yeng Chai Soh, Qijie Wang, Ying Zhang, Zhongping Fang

Proceedings Volume 5181, (2003) https://doi.org/10.1117/12.505281

KEYWORDS: Optical filters, Fiber lasers, Optical amplifiers, Interferometers, Quantum cascade lasers, Mach-Zehnder interferometers, Laser applications, Fiber amplifiers, Bandpass filters, Manufacturing

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Proceedings Article | 30 September 2003 Paper

Liquid drop analysis using photonic sensors

Jian Xu, Z. Qiu, Z. Fang, Qing Sung, Ivan Reading, Xiang Li

Proceedings Volume 5264, (2003) https://doi.org/10.1117/12.509222

KEYWORDS: Liquids, Sensors, Fiber optics sensors, Capacitors, Chemical analysis, Refractive index, Head, Water, Calibration, Dielectrics

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SPIE Journal Paper | 1 December 2002

Parameter optimization of an all-fiber Fourier filter flat-top interleaver

Tong Liu, Yeng Soh, Ying Zhang, Zhong Fang

OE, Vol. 41, Issue 12, (December 2002) https://doi.org/10.1117/12.10.1117/1.1518678

KEYWORDS: Optimization (mathematics), Dielectric filters, Signal attenuation, Mach-Zehnder interferometers, Dispersion, Optical filters, Wavelength division multiplexing, Optical engineering, Manufacturing, Optical communications

Proceedings Article | 4 September 2002 Paper

Light source fluctuation effect on confocal imaging system

Anand Asundi, Chongxiang Li, Yanfeng Zhang, Zhong Fang

Proceedings Volume 4768, (2002) https://doi.org/10.1117/12.482183

KEYWORDS: Light sources, Confocal microscopy, Imaging systems, Stereoscopy, Inspection, Error analysis, 3D metrology, 3D modeling, Image resolution, Light

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Proceedings Article | 4 September 2002 Paper

Double-detector-array 3D profile inspection system

Chongxiang Li, Zhong Fang, Anand Asundi

Proceedings Volume 4768, (2002) https://doi.org/10.1117/12.482184

KEYWORDS: Confocal microscopy, Light sources, 3D metrology, Inspection, 3D image processing, Sensors, Optical fibers, Imaging systems, Fiber couplers, Signal detection

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Proceedings Article | 30 October 2001 Paper

Multichannel 3D profilometry

Chongxiang Li, Anand Asundi, Zhong Fang

Proceedings Volume 4596, (2001) https://doi.org/10.1117/12.447340

KEYWORDS: Confocal microscopy, 3D metrology, Fiber couplers, Light sources, Sensors, Photodetectors, 3D image processing, Semiconductor lasers, Interferometry, Spatial resolution

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Proceedings Article | 18 August 1997 Paper

Precision noncontact measurement of blind holes by machine vision technology

Zhong Fang, V. McGlure

Proceedings Volume 3185, (1997) https://doi.org/10.1117/12.284041

KEYWORDS: Machine vision, Precision measurement, Optical sensing, Optical testing, Precision optics, Imaging systems, CCD cameras

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Showing 5 of 22 publications

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