Speckle noise reduction in digital holography by multiple holograms

Chenggen Quan; Xin Kang; Cho-Jui Tay

doi:10.1117/1.2802060

1 November 2007 Speckle noise reduction in digital holography by multiple holograms

Chenggen Quan, Xin Kang, Cho-Jui Tay

Author Affiliations +

Optical Engineering, Vol. 46, Issue 11, 115801 (November 2007). https://doi.org/10.1117/1.2802060

Abstract

An effective method for reducing speckle noise in digital holography is proposed in this paper. The proposed method does not require classical filtering technique; instead it utilizes multiple holograms of an object generated by rotating an illuminating light continuously. The reconstructed hologram intensity fields possess different speckle patterns, and by properly averaging the intensity fields, speckle noise in the reconstructed images is reduced significantly. A merlion sculpture is evaluated and experimental results show that the proposed method is simple and effective in reducing speckle noise in digital holography.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Chenggen Quan, Xin Kang, and Cho-Jui Tay "Speckle noise reduction in digital holography by multiple holograms," Optical Engineering 46(11), 115801 (1 November 2007). https://doi.org/10.1117/1.2802060

Published: 1 November 2007

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