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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/18208

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18208

Title:	Angular Selectivity in Volume Holograms with Spherical Reference Waves Implemented by Rotating a Mirror
Authors:	Su, Wei-Chia;Chen, Chung-Ming
Contributors:	光電科技研究所
Keywords:	Volume holographic storage;Angular multiplexing
Date:	2007-01
Issue Date:	2014-04-01T03:56:47Z
Publisher:	Society of Photo-Optical Instrumentation Engineers
Abstract:	A multiplexing scheme in volume holograms with a spherical reference wave implemented by rotating a mirror is presented. Diffraction angular selectivity of the mirror in the proposed holographic storage system is theoretically and experimentally investigated. The spherical reference waves in the presented multiplexing scheme can be replaced with plane reference waves; however, angular selectivity of the mirror with a plane reference wave is higher than that with a spherical reference wave in the system. Angular selectivity of the mirror using a spherical reference wave in the system can be increased by decreasing the distance between the mirror and the hologram. Unlike spherical reference waves, angular selectivity using a plane reference wave stays the same in this system. Although using spherical reference waves generates a lower angular selectivity, it also offers larger total accessible angular range for reference beams. Accordingly, using spherical reference waves in the proposed system will not sacrifice the storage capacity.
Relation:	Optical Engineering, 46(1): 015802
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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