Study on the resolution of Fresnel incoherent correlation holography

Wufeng Zhu; Xia Shi; Erjun Liang; Xiaomin Liu; Fengying Ma

doi:10.1117/12.2071474

11 November 2014 Study on the resolution of Fresnel incoherent correlation holography

Wufeng Zhu, Xia Shi, Erjun Liang, Xiaomin Liu, Fengying Ma

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 927129 (2014) https://doi.org/10.1117/12.2071474
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Fresnel incoherent correlation holography (FINCH) is one of the methods for recording digital holograms of 3D samples under incoherent illumination. This method has been successfully applied to white reflective holographic imaging and 3D microscopic imaging. In this article, the processes of optical recording, digital reconstruction and the point spread function of the classic FINCH system are described in detail. The reconstruction images of three letters of “Z”, “W” and “F”, each of which has a different distance from the collimating lens, are simulated. The expression of the resolution of FINCH system has been deduced, which shows that the resolution of the optimal FINCH is beyond the Rayleigh resolution. Effect of the background light on the resolution is analyzed through two groups of contrast experiments when introducing the polarizer in FINCH system and changing phase masks on the SLM.

Citation Download Citation

Wufeng Zhu, Xia Shi, Erjun Liang, Xiaomin Liu, and Fengying Ma "Study on the resolution of Fresnel incoherent correlation holography", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 927129 (11 November 2014); https://doi.org/10.1117/12.2071474

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KEYWORDS

Spatial light modulators

Polarizers

Holograms

Holography

Charge-coupled devices

Digital holography

Point spread functions

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