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Proceedings Paper

Polarization simultaneous readout for volume holographic storage in LiNbO3
Author(s): Wei-Chia Su; Chien-Yue Chen; Yau-Wen Liu; Ching-Huang Lin; Yueh Ouyang
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Paper Abstract

We have successfully demonstrated a holographic memory in a single LiNbO3 crystal with two simultaneous but individual readout channels. A special scheduled exposure model is derived to obtain equal diffraction efficiency of each hologram in this memory. The simultaneous readout technique is achieved in a hybrid-multiplexed memory using angular multiplexing and the polarization multiplexing. Polarization multiplexing offers the mechanism of simultaneous readout for two individual orthogonally polarized images. In each angular position of the holographic memory, these two orthogonally polarized images can be reconstructed simultaneously and each of them can be viewed independently. After our proposed scheduled exposure, experimental result of diffraction efficiency in each hologram becomes equal and the result is consistent with our prediction.

Paper Details

Date Published: 8 May 2008
PDF: 11 pages
Proc. SPIE 6994, Photon Management III, 69940Y (8 May 2008); doi: 10.1117/12.780773
Show Author Affiliations
Wei-Chia Su, National Changhua Univ. of Education (Taiwan)
Chien-Yue Chen, National Yunlin Univ. of Science and Technology (Taiwan)
Yau-Wen Liu, National Changhua Univ. of Education (Taiwan)
Ching-Huang Lin, Hwa Hisa Institute of Technology (Taiwan)
Yueh Ouyang, R.O.C. Military Academy (Taiwan)

Published in SPIE Proceedings Vol. 6994:
Photon Management III
John T. Sheridan; Frank Wyrowski, Editor(s)

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