Chinese Optics Letters, 2011, 9 (6): 060901, Published Online: Apr. 28, 2011   

Improvement of speckle noise suppression in digital holography by rotating linear polarization state Download: 694次

Author Affiliations
School of Instrumentation Science and Opto-Electronics Engineering, Beihang University, Beijing 100191, China
Abstract
An improved polarization recording approach to reduce speckle noise in digital holography is proposed. Multiple off-axis holograms are obtained by rotating the linear polarization state of both illumination and reference wave simultaneously. By averaging the intensity fields, the speckle noise in the reconstructed images is well suppressed. Statistical evaluation of the experimental results shows the effectiveness and improvement of the proposed method.

Wen Xiao, Jing Zhang, Lu Rong, Feng Pan, Shuo Liu, Fanjing Wang, Aga He. Improvement of speckle noise suppression in digital holography by rotating linear polarization state[J]. Chinese Optics Letters, 2011, 9(6): 060901.

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