Dr. Zehao He Profile

Dr. Zehao He

at Tsinghua Univ

SPIE Involvement:

Author

Publications (14)

SPIE Journal Paper | 29 December 2023 Open Access

Diffractive optical elements 75 years on: from micro-optics to metasurfaces

Qiang Zhang, Zehao He, Zhenwei Xie, Qiaofeng Tan, Yunlong Sheng, Guofan Jin, Liangcai Cao, Xiaocong Yuan

PI, Vol. 2, Issue 04, R09, (December 2023) https://doi.org/10.1117/12.10.3788/PI.2023.R09

KEYWORDS: Diffractive optical elements, Diffraction, Modulation, Design, Holograms, Photonics, Micro optics, Holography, Polarization, Multiplexing

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Proceedings Article | 14 March 2023 Presentation

High-fidelity, model-driven deep learning network for phase-only computer-generated holography (Conference Presentation)

Liangcai Cao, Kexuan Liu, Jiachen Wu, Zehao He

Proceedings Volume PC12443, PC1244309 (2023) https://doi.org/10.1117/12.2655512

KEYWORDS: Computer generated holography, Computer networks, Holograms, Super resolution, Reconstruction algorithms, Phase retrieval, Neural networks, Near field diffraction, Machine learning, Convolution

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Proceedings Article | 20 December 2022 Presentation

An optimized Gerchberg–Saxton algorithm for speckle suppression with double amplitude freedom

Zehao He, Kexuan Liu, Liangcai Cao

Proceedings Volume 12318, 1231815 (2022) https://doi.org/10.1117/12.2642059

KEYWORDS: Speckle, Reconstruction algorithms, Signal to noise ratio, Spherical lenses, Holography, Holograms, Detection and tracking algorithms, Numerical simulations

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Proceedings Article | 4 March 2022 Presentation + Paper

Angular-spectrum algorithm for holographic 3D display based on 2D-to-3D approach

Xiaomeng Sui, Kexuan Liu, Zehao He, Liangcai Cao

Proceedings Volume 12025, 1202509 (2022) https://doi.org/10.1117/12.2609369

KEYWORDS: 3D displays, Holography, Computer generated holography, Cameras, 3D modeling, 3D acquisition, 3D image processing, Image processing, Sensors, Optical simulations

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Proceedings Article | 5 March 2021 Presentation

A three-dimensional model generation method for holographic display

Lidan He, Zehao He, Liangcai Cao

Proceedings Volume 11709, 1170906 (2021) https://doi.org/10.1117/12.2582922

KEYWORDS: 3D displays, 3D modeling, Holography, Computer generated holography, Wavefronts, Optical design

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Proceedings Article | 10 October 2020 Presentation

Self-referenced methods for phase calibration of a spatial light modulator

Zehao He, Yunhui Gao, Rujia Li, Liangcai Cao

Proceedings Volume 11551, 1155119 (2020) https://doi.org/10.1117/12.2573836

KEYWORDS: Calibration, Spatial light modulators, Phase shift keying, Digital holography, Phase modulation, Modulation, Holography, Coherence imaging, LCDs, Optical imaging

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Proceedings Article | 21 February 2020 Paper

Three-dimensional capture systems for holographic display

Liangcai Cao, Zehao He

Proceedings Volume 11305, 113050K (2020) https://doi.org/10.1117/12.2550794

KEYWORDS: Computer generated holography, 3D modeling, 3D acquisition, 3D displays, Holography, Cameras, Telecommunications, Spatial light modulators, Microlens array, 3D image processing

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Proceedings Article | 9 September 2019 Presentation

Non-iterative speckle noise reduction in spatial frequency domain for phase-only hologram generation (Conference Presentation)

Liangcai Cao, Xiaomeng Sui, Zehao He, Yaoyao Li, Guofan Jinn

Proceedings Volume 11123, 111230G (2019) https://doi.org/10.1117/12.2530055

KEYWORDS: Speckle, Denoising, Holograms, Computer generated holography, Spatial frequencies, Optical transfer functions, 3D image reconstruction, Point spread functions, Spatial light modulators, Diffraction

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Proceedings Article | 1 March 2019 Presentation + Paper

Complex amplitude modulation metasurface with dual resonance in transmission mode

Liangcai Cao, Qiang Jiang, Guofan Jin, Zehao He

Proceedings Volume 10944, 109440A (2019) https://doi.org/10.1117/12.2511342

KEYWORDS: Modulation, Computer generated holography, Holograms, Holography

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Proceedings Article | 1 March 2019 Paper

Performance analysis for holographic display based on phase only spatial light modulator

Liangcai Cao, Zehao He, Tingting Zhou, Chao Han

Proceedings Volume 10942, 1094217 (2019) https://doi.org/10.1117/12.2511150

KEYWORDS: Spatial light modulators, 3D image reconstruction, Holograms, Image quality, Point spread functions, Zone plates, Computer generated holography, Numerical simulations, Holography, Phase shift keying

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Proceedings Article | 14 March 2018 Presentation

Multilayer volume holographic optical memory with reduced crosstalk (Conference Presentation)

Liangcai Cao, Zehao He, Song Zong, Chunrong Chen, Guofan Jin

Proceedings Volume 10557, 105570L (2018) https://doi.org/10.1117/12.2299649

KEYWORDS: Holography, Volume holography, Optical storage, Data storage, 3D modeling, Data modeling, Data storage servers, Clouds, Holographic data storage systems, Systems modeling

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Proceedings Article | 19 February 2018 Paper

Partially coherent holographic display based on human factors engineering

Liangcai Cao, Zehao He, Hao Zhang, Guofan Jin, Ping Su

Proceedings Volume 10556, 105560O (2018) https://doi.org/10.1117/12.2295135

KEYWORDS: Holography, Chromatic aberrations, Light sources, Spatial light modulators, Computer generated holography, Displays

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Proceedings Article | 6 September 2017 Paper

Analysis of stereo depth for 3D LED autostereoscopic displays based on the physical limitation

Ping Su, Zehao He, Shu An, Jianshe Ma

Proceedings Volume 10378, 103780V (2017) https://doi.org/10.1117/12.2279012

KEYWORDS: Light emitting diodes, 3D displays, Autostereoscopic displays, Monte Carlo methods, LED displays, Computer simulations, LED lighting, 3D vision

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Proceedings Article | 23 August 2017 Paper

Characteristics of gold nanorods in volume holographic nanocomposites

Liangcai Cao, Shenghan Wu, Song Zong, Guofan Jin, Mingli Dong, Zehao He

Proceedings Volume 10382, 103820G (2017) https://doi.org/10.1117/12.2274908

KEYWORDS: Holography, Gold, Volume holography, Nanocomposites, Multiplexing, Optical storage, Photonic crystal fibers, Plasmons, Surface plasmons, Resonance enhancement

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Showing 5 of 14 publications

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