Mr. Lei Zhao Profile

Lei Zhao

at Zhejiang Univ

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 21 December 2022 Presentation + Paper

Phase retrieval wavefront measurement model based on the numerical Fourier theory

Yuejia Li, Yingzhe Yang, Jian Bai, Lei Zhao

Proceedings Volume 12315, 123150I (2022) https://doi.org/10.1117/12.2642004

KEYWORDS: Diffraction, Wavefronts, Charge-coupled devices, Phase retrieval, Francium, Fourier transforms, Phase measurement, Numerical simulations, Fourier theory, Computer simulations

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Proceedings Article | 10 October 2020 Poster + Paper

Optimized phase retrieval method base on multi-focus property of zone plate

Binjie Lu, Lei Zhao, Jian Bai, Jing Hou, Hao Yan

Proceedings Volume 11548, 115481W (2020) https://doi.org/10.1117/12.2575068

KEYWORDS: Phase retrieval, Zone plates, Wavefronts, Reconstruction algorithms, Modulation, Computational imaging, Image restoration, Image encryption, Wavefront sensors, Optical testing

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Proceedings Article | 10 October 2020 Presentation + Paper

Modal-based adaptive autofocusing phase retrieval for wavefront measurement

Lei Zhao, Jian Bai, Jing Hou

Proceedings Volume 11548, 1154805 (2020) https://doi.org/10.1117/12.2575015

KEYWORDS: Wavefronts, Phase retrieval, Distance measurement, Phase measurement, Algorithms, Optimization (mathematics), Diffraction, Interferometers, Freeform optics

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Proceedings Article | 19 September 2019 Presentation + Paper

Transparent object sensing with enhanced prior from deep convolutional neural network

Jing Wang, Jian Bai, Xiao Huang, Xiangdong Zhou, Lei Zhao, Kun Yan, Jing Hou, Kailun Yang

Proceedings Volume 11169, 111690H (2019) https://doi.org/10.1117/12.2533173

KEYWORDS: Phase retrieval, Convolutional neural networks, Neural networks, Reconstruction algorithms, Evolutionary algorithms, Computational imaging, Sensing systems, Image processing, Imaging systems, 3D surface sensing

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Proceedings Article | 30 January 2019 Paper

Description of complex optical surface based on sparse radial basis function approximation with spatially variable shape parameters

Xiangdong Zhou, Jian Bai, Xiao Huang, Lei Zhao, Chen Wang, Yujie Luo

Proceedings Volume 10841, 108410O (2019) https://doi.org/10.1117/12.2506450

KEYWORDS: Optics manufacturing, Zernike polynomials, Error analysis, Signal processing, Design for manufacturability, Optical design, Condition numbers, Optics, Optical engineering, Optical components

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Proceedings Article | 12 December 2018 Paper

Optimization of transverse translation diverse phase retrieval for optical elements with mid-spatial frequency errors

Lei Zhao, Xiao Huang, Jian Bai, Xiangdong Zhou, Yupeng Luo, Juan Du, Yujie Luo

Proceedings Volume 10847, 1084711 (2018) https://doi.org/10.1117/12.2505708

KEYWORDS: Phase retrieval, Optical components, Diffraction, Error analysis, Wavefronts, Optical testing, Phase measurement, Reconstruction algorithms, Spatial frequencies, Laser systems engineering

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Proceedings Article | 5 November 2018 Paper

Comparative analysis of mid-spatial frequency errors measurement using multiple phase retrieval algorithms

Lei Zhao, Xiao Huang, Jian Bai, Xiangdong Zhou, Yupeng Luo, Juan Du, Yujie Luo

Proceedings Volume 10815, 108151M (2018) https://doi.org/10.1117/12.2502680

KEYWORDS: Phase retrieval, Wavefronts, Error analysis, Optical components, Diffraction, Phase measurement, Spatial frequencies, Optical testing, Surface finishing, Zernike polynomials

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Proceedings Article | 5 March 2018 Paper

Diffraction analysis of sidelobe characteristics of optical elements with ripple error

Lei Zhao, Yupeng Luo, Jian Bai, Xiangdong Zhou, Juan Du, Qun Liu, Yujie Luo

Proceedings Volume 10710, 1071031 (2018) https://doi.org/10.1117/12.2317564

KEYWORDS: Error analysis, Optical components, Diffraction, Spatial frequencies, Photovoltaics, Optics manufacturing, Surface finishing, Wavefronts, Image quality, Fusion energy

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Showing 5 of 8 publications

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