National Changhua University of Education Institutional Repository : Item 987654321/18192

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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/18192

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18192

Title:	Lateral Shifting Sensitivity of a Ground Glass for Holographic Encryption and Multiplexing Using Phase Conjugate Readout Algorithm
Authors:	Sun, Ching-Cherng;Su, Wei-Chia;Wang, Bor;Chiou, Arthur E. T.
Contributors:	光電科技研究所
Keywords:	Shifting sensitivity;Holographic storage;Random phase encoding;Optical encryption;Volume hologram;Photorefractive crystal
Date:	2001-05
Issue Date:	2014-04-01T03:56:32Z
Publisher:	Elsevier
Abstract:	An encryption-selectable holographic storage algorithm with use of random phase encoding and angular multiplexing is proposed and demonstrated. The pattern for storage can be encrypted and multiplexed with use of a ground glass, which is also used to decrypt the pattern. A phase conjugation of the reference beam is used to generate phase conjugate waves of the stored patterns. The lateral shifting sensitivity of the ground glass used to decrypt the information is theoretically analyzed and is compared with experimental measurement. The shifting tolerance for various ground glasses under imperfection phase reconstruction in the decryption processing is studied.
Relation:	Optics Communications, 191(3-6): 209-224
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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