Imaging characteristics of a volume holographic lens

Jing Yang; Zhu-qing Jiang; Zhi-qiang Xu; Shao-jie Liu; Ya-jun Sun; Shi-quan Tao

doi:10.1117/12.835340

31 August 2009 Imaging characteristics of a volume holographic lens

Jing Yang, Zhu-qing Jiang, Zhi-qiang Xu, Shao-jie Liu, Ya-jun Sun, Shi-quan Tao

Proceedings Volume 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging; 73823Y (2009) https://doi.org/10.1117/12.835340
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

A volume holographic grating lens can reconstruct the three-dimensional information by conducting multiple optical slicing of an object based on Bragg selectivity of the volume holographic grating. In this paper, we employ the point-spread function of volume holographic imaging system to theoretically analyze its imaging resolution. In the experiments, the volume holographic gratings are made with a spherical reference (SR) and a planar reference (PR), respectively, and used as volume holographic imaging lens in our imaging system. The longitudinal and lateral defocusing characteristics of volume holographic lens with SR and with PR are investigated experimentally by displacing the interested objects from original reference location, respectively. The effects of the parameters of the volume holographic lens on the longitudinal and lateral resolution are also discussed. The experimental results show that increasing the size of the volume holographic lens can improve the depth resolution, and in particular, it has greater influence on SR VHI. The lateral selectivity of SR VHI is more sensitive than that of PR VHI, and the Bragg degenerate diffraction of PR VHI on the y axis is obviously observed.

Citation Download Citation

Jing Yang, Zhu-qing Jiang, Zhi-qiang Xu, Shao-jie Liu, Ya-jun Sun, and Shi-quan Tao "Imaging characteristics of a volume holographic lens", Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 73823Y (31 August 2009); https://doi.org/10.1117/12.835340

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