Light field measurement based on the single-lens coherent diffraction imaging

Cheng Shen; Jiubin Tan; Zhengjun Liu

doi:10.1117/12.2295577

12 January 2018 Light field measurement based on the single-lens coherent diffraction imaging

Cheng Shen, Jiubin Tan, Zhengjun Liu

Proceedings Volume 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology; 106200K (2018) https://doi.org/10.1117/12.2295577
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Plenoptic camera and holography are popular light field measurement techniques. However, the low resolution or the complex apparatus hinders their widespread application. In this paper, we put forward a new light field measurement scheme. The lens is introduced into coherent diffraction imaging to operate an optical transform, extended fractional Fourier transform. Combined with the multi-image phase retrieval algorithm, the scheme is proved to hold several advantages. It gets rid of the support requirement and is much easier to implement while keeping a high resolution by making full use of the detector plane. Also, it is verified that our scheme has a superiority over the direct lens focusing imaging in amplitude measurement accuracy and phase retrieval ability.

Citation Download Citation

Cheng Shen, Jiubin Tan, and Zhengjun Liu "Light field measurement based on the single-lens coherent diffraction imaging", Proc. SPIE 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, 106200K (12 January 2018); https://doi.org/10.1117/12.2295577

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