Elimination of zero-order diffraction in digital holography

Cheng Liu; Yinzhu Li; Xiaotian Cheng; Zhigang Liu; Bo Feng; Jianqiang Zhu

doi:10.1117/1.1502682

1 October 2002 Elimination of zero-order diffraction in digital holography

Cheng Liu, Yinzhu Li, Xiaotian Cheng, Zhigang Liu, Bo Feng, Jianqiang Zhu

Optical Engineering, Vol. 41, Issue 10, (October 2002). https://doi.org/10.1117/1.1502682

A simple method to suppress the zero-order diffraction in the reconstructed image of digital holography is presented. In this method, the Laplacian of a detected hologram is used instead of the hologram itself for numerical reconstruction by computing the discrete Fresnel integral. This method can significantly improve the image quality and give better resolution and higher accuracy of the reconstructed image. The main advantages of this method are its simplicity in experimental requirements and convenience in data processing.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Cheng Liu, Yinzhu Li, Xiaotian Cheng, Zhigang Liu, Bo Feng, and Jianqiang Zhu "Elimination of zero-order diffraction in digital holography," Optical Engineering 41(10), (1 October 2002). https://doi.org/10.1117/1.1502682

Published: 1 October 2002

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