Dr. Yu Zhang Profile

Dr. Yu Zhang

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Publications (3)

Proceedings Article | 13 May 2019 Presentation

Compact snapshot freefrom null testing with adaptive optics (Conference Presentation)

Xiaobo Tian, Heejoo Choi, Alexander Sohn, Yu Zhang, Oliver Joshua Spires, Dae Wook Kim, Rongguang Liang

Proceedings Volume 10991, 109910Q (2019) https://doi.org/10.1117/12.2518789

KEYWORDS: Deformable mirrors, Optical testing, Adaptive optics, Algorithm development, Wavefronts, Interferometry, Stochastic processes, Phase measurement, Deflectometry

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Proceedings Article | 13 May 2019 Presentation

Dual-mode snapshot interferometric system for on-machine metrology (Conference Presentation)

Xiaobo Tian, Alexander Sohn, Yu Zhang, Oliver Spires, Rongguang Liang

Proceedings Volume 10991, 109910P (2019) https://doi.org/10.1117/12.2518689

KEYWORDS: Metrology, Interferometry, Surface roughness, Optical fabrication, Interferometers, Microscopy, Polarization, Cameras, Diamond turning

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Proceedings Article | 6 June 2017 Presentation

On-machine metrology system (Conference Presentation)

Hsiang Nan Cheng, Katherine Overend, Yu Zhang, Rongguang Liang

Proceedings Volume 10220, 102200G (2017) https://doi.org/10.1117/12.2264882

KEYWORDS: Optical metrology, Current controlled current source, Metrology, Colorimetry, Confocal microscopy, Diamond turning, Time metrology, Optical inspection, Inspection

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