Dr. Yuhang He Profile

Dr. Yuhang He

at Chengdu Fine Optical Engineering Research Ctr

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Author

Publications (9)

Proceedings Article | 24 January 2019 Paper

Fresnel zone plate method for measuring lens transmission wavefront power spectral density

Xiaohong Wei, Yuhang He, Qiang Li, Bo Gao, Kaiyuan Xu, Liqun Chai

Proceedings Volume 10840, 108400Y (2019) https://doi.org/10.1117/12.2506622

KEYWORDS: Wavefronts, Computer generated holography, Holograms, Diffraction, Diffraction gratings, Interferometry, Distortion, Reflectivity, Optical design, Error analysis

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Proceedings Article | 27 September 2016 Paper

Computer-generated holograms for precision optical testing

Xiaohong Wei, Yuhang He, Kaiyuan Xu, Bo Gao, Qiang Li, Liqun Chai

Proceedings Volume 9684, 96842C (2016) https://doi.org/10.1117/12.2243164

KEYWORDS: Computer generated holography, Wavefronts, Holograms, Optical fabrication, Optical testing, Diffraction, Aspheric lenses, Diffraction gratings, Interferometry, Holographic interferometry

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Proceedings Article | 27 September 2016 Paper

New reconstruction algorithm for absolute shape calibration in two-flat test

Yuhang He, Qiang Li, Daoming Wan, Liqun Chai

Proceedings Volume 9684, 96842N (2016) https://doi.org/10.1117/12.2242722

KEYWORDS: Reconstruction algorithms, Calibration, Zernike polynomials, Barium, Computer simulations, Error analysis, Chemical elements, Interferometry, Interferometers, Fourier transforms

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Proceedings Article | 19 February 2015 Paper

Automatic stitching interferometry for large plano optics

Ang Liu, Bo Gao, Kaiyuan Xu, Yuhang He, Qiang Li, Liqun Chai

Proceedings Volume 9449, 94492T (2015) https://doi.org/10.1117/12.2075830

KEYWORDS: Stitching interferometry, Plano, Data fusion, Interferometers, Optical engineering, Data corrections, Interferometry, Detection and tracking algorithms, Process modeling, Lithium

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Proceedings Article | 3 December 2014 Paper

Absolute measurement of square flats with Legendre polynomial fitting method

Bo Gao, Qiang Li, Yuhang He, Liqun Chai, Xiaohong Wei

Proceedings Volume 9297, 92970E (2014) https://doi.org/10.1117/12.2069823

KEYWORDS: Zernike polynomials, Lithium, Optical engineering, Roads, Spatial frequencies, National Ignition Facility, Interferometers, Optoelectronics, Technologies and applications, Fiber lasers

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Proceedings Article | 3 December 2014 Paper

Lens wavefront measurement technique with a reflective Fresnel-zone hologram

Xiaohong Wei, Bo Gao, Kaiyuan Xu, Qiang Li, Yuhang He, Ang Liu, Liqun Chai

Proceedings Volume 9297, 929705 (2014) https://doi.org/10.1117/12.2069421

KEYWORDS: Holograms, Wavefronts, Spherical lenses, Reflectivity, Diffraction, Mirrors, Interferometry, Holographic interferometry, Manufacturing, Interferometers

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SPIE Journal Paper | 11 June 2014 Open Access

Errata: Improved iterative algorithm for the three-flat test

Bo Gao, Qiang Li, Yuhang He, Liqun Chai

OE, Vol. 53, Issue 09, 099801, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.9.099801

KEYWORDS: Lithium, Optical engineering, Roads

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SPIE Journal Paper | 16 April 2014 Open Access

Improved iterative algorithm for the three-flat test

Bo Gao, Qiang Li, Yuhang He, Liqun Chai

OE, Vol. 53, Issue 09, 092004, (April 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.9.092004

KEYWORDS: Error analysis, Data processing, Optical engineering, Computer simulations, Reconstruction algorithms, Zernike polynomials, Lithium, Wavefronts, Roads, Numerical simulations

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SPIE Journal Paper | 1 July 2010

Three-dimensional measurement method with orthogonal composite grating aided by fringe contrast and background calibration

Yuhang He, Yiping Cao

OE, Vol. 49, Issue 07, 073603, (July 2010) https://doi.org/10.1117/12.10.1117/1.3467449

KEYWORDS: Composites, 3D metrology, Phase shifts, Calibration, Modulation, Optical engineering, Reflectivity, Optical filters, 3D image processing, Spatial filters

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Showing 5 of 9 publications

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