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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 1805–1815

Partition calculation for zero-order and conjugate image removal in digital in-line holography

Lihong Ma, Hui Wang, Yong Li, and Hongzhen Jin  »View Author Affiliations

Optics Express, Vol. 20, Issue 2, pp. 1805-1815 (2012)

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Conventional digital in-line holography requires at least two phase-shifting holograms to reconstruct an original object without zero-order and conjugate image noise. We present a novel approach in which only one in-line hologram and two intensity values (namely the object wave intensity and the reference wave intensity) are required. First, by subtracting the two intensity values the zero-order diffraction can be completely eliminated. Then, an algorithm, called partition calculation, is proposed to numerically remove the conjugate image. A preliminary experimental result is given to confirm the proposed method. The method can simplify the procedure of phase-shifting digital holography and improve the practical feasibility for digital in-line holography.

© 2012 OSA

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(090.1995) Holography : Digital holography

ToC Category:

Original Manuscript: October 24, 2011
Revised Manuscript: December 8, 2011
Manuscript Accepted: January 4, 2012
Published: January 12, 2012

Lihong Ma, Hui Wang, Yong Li, and Hongzhen Jin, "Partition calculation for zero-order and conjugate image removal in digital in-line holography," Opt. Express 20, 1805-1815 (2012)

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