Dr. Yongjian Zhu Profile

Dr. Yongjian Zhu

at Shanghai Institute of Optics and Fine Mechanics

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 14 September 2007 Paper

Phase detection from two phase-shifting interferograms

Yongjian Zhu, Liren Liu, Yanan Zhi, Zhu Luan, De'an Liu

Proceedings Volume 6671, 66711D (2007) https://doi.org/10.1117/12.731957

KEYWORDS: Phase shifts, Phase shifting, Interferometers, Visibility, Crystals, Interferometry, Polarizers, Phase interferometry, Optical design, Phase measurement

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SPIE Journal Paper | 1 October 2006

Novel method to construct a quality map for phase unwrapping based on modulation and the phase gradient

Yongjian Zhu, Zhu Luan, Qingguo Yang, Wei Lu, Liren Liu

OE, Vol. 45, Issue 10, 105601, (October 2006) https://doi.org/10.1117/12.10.1117/1.2361175

KEYWORDS: Phase shift keying, Modulation, Phase shifts, Reliability, Optical engineering, Phase measurement, Lutetium, Mechanics, Phase shifting, Magnetic resonance imaging

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Proceedings Article | 1 September 2006 Paper

Finite element analysis on the assembly of circular wedge prism

Anhu Li, Jianfeng Sun, Yongjian Zhu, Liren Liu

Proceedings Volume 6304, 63041S (2006) https://doi.org/10.1117/12.678264

KEYWORDS: Prisms, Temperature metrology, Finite element methods, Thermography, Solid modeling, Zernike polynomials, Integrated optics, Structural design, Thermal effects, Analytical research

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Proceedings Article | 24 August 2006 Paper

Passive ranging within a differential framework

Qingguo Yang, Liren Liu, De'an Liu, Jianfeng Sun, Yongjian Zhu, Wei Lu

Proceedings Volume 6312, 63121F (2006) https://doi.org/10.1117/12.678396

KEYWORDS: Cameras, Ranging, Imaging systems, Machine vision, Sensors, Signal attenuation, Coded apertures, Data processing, Differential equations, Digital recording

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Proceedings Article | 24 August 2006 Paper

Time-dependent physical response during photorefractive grating formation at large modulation

Dashan Li, Liren Liu, De'an Liu, Aimin Yan, Yongjian Zhu

Proceedings Volume 6314, 631418 (2006) https://doi.org/10.1117/12.678305

KEYWORDS: Modulation, Numerical analysis, Volume holography, Crystals, Holography, Computer simulations, Analytical research, Photorefraction, Partial differential equations, Nonlinear response

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Proceedings Article | 14 August 2006 Paper

A hybrid phase-unwrapping method for optical interferometry based on new parameter map and local plane approximation

Yongjian Zhu, Liren Liu, Zhu Luan, Jianfeng Sun, Yuanjun Guo

Proceedings Volume 6292, 62921C (2006) https://doi.org/10.1117/12.678401

KEYWORDS: Phase shift keying, Modulation, Reliability, Optical interferometry, Phase interferometry, Computer simulations, Phase shifts, Phase shifting, Signal to noise ratio, Digital filtering

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Showing 5 of 6 publications

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