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Proceedings Paper

Photorefractive phase-conjugation digital holographic microscopy
Author(s): Chi-Ching Chang; Huang-Tian Chan; Min-Tzung Shiu; Yang-Kun Chew
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Paper Abstract

In this work, we propose an innovative method for digital holographic microscopy named as photorefractive phaseconjugation digital holographic microscopy (PPCDHM) technique based on the phase conjugation dynamic holographic process in photorefractive BaTiO3 crystal and the retrieval of phase and amplitude of the object wave were performed by a reflection-type digital holographic method. Both amplitude and phase reconstruction benefit from the prior amplification by self-pumped conjugation (SPPC) as they have an increased SNR. The interest of the PPCDHM is great, because its hologram is created by interfered the amplified phase-conjugate wave field generated from a photorefractive phase conjugator (PPC) correcting the phase aberration of the imaging system and the reference wave onto the digital CCD camera. Therefore, a precise three-dimensional description of the object with high SNR can be obtained digitally with only one hologram acquisition. The method requires the acquisition of a single hologram from which the phase distribution can be obtained simultaneously with distribution of intensity at the surface of the object.

Paper Details

Date Published: 8 May 2015
PDF: 5 pages
Proc. SPIE 9508, Holography: Advances and Modern Trends IV, 95080W (8 May 2015); doi: 10.1117/12.2179098
Show Author Affiliations
Chi-Ching Chang, MingDao Univ. (Taiwan)
Huang-Tian Chan, MingDao Univ. (Taiwan)
Min-Tzung Shiu, National Defense Univ. (Taiwan)
Yang-Kun Chew, MingDao Univ. (Taiwan)


Published in SPIE Proceedings Vol. 9508:
Holography: Advances and Modern Trends IV
Miroslav Hrabovský; John T. Sheridan; Antonio Fimia, Editor(s)

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