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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 2 — Feb. 1, 2008
  • pp: 100–103

An effective method for reducing speckle noise in digital holography

Xin Kang  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 2, pp. 100-103 (2008)

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An effective method for reducing the speckle noise in digital holography is proposed in this paper. Different from the methods based on classical filtering technique, it utilizes the multiple holograms which are generated by rotating the illuminating light continuously. The intensity images reconstructed by a series of holograms generated by rotating the illuminating light possess different speckle patterns. Hence by properly averaging the reconstructed intensity fields, the speckle noises can be reduced greatly. Experimental results show that the proposed method is simple and effective to reduce speckle noise in digital holography.

© 2008 Chinese Optics Letters

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.0090) Holography : Holography
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

Xin Kang, "An effective method for reducing speckle noise in digital holography," Chin. Opt. Lett. 6, 100-103 (2008)

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