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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 12 — Dec. 1, 2009
  • pp: 1123–1125

One-shot in-line digital holography based Hilbert phase-shifting

Weiqing Pan, Wei Lu, Yongjian Zhu, and Jianzhong Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 12, pp. 1123-1125 (2009)


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Abstract

A novel one-shot in-line digital holography based on Hilbert phase-shifting is proposed. By weakening the ratio of object wave to reference wave and applying natural logarithmized operation on the in-line digital hologram, the real part of object wave can be well extracted. Then utilizing Hilbert transform to digitally realize π/2- phase shift, which would make it possible to reconstruct the object wavefront from a single-exposure in-line digital hologram. Preliminary experimental results are presented to confirm the proposed method. This technique can be used for real time imaging or monitoring moving objects.

© 2009 Chinese Optics Letters

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift

Citation
Weiqing Pan, Wei Lu, Yongjian Zhu, and Jianzhong Wang, "One-shot in-line digital holography based Hilbert phase-shifting," Chin. Opt. Lett. 7, 1123-1125 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-12-1123

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