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http://ir.ncue.edu.tw/ir/handle/987654321/18207
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題名: | Enhanced Angular Selectivity in Volume Holograms with Speckle Reference Waves |
作者: | Su, Wei-Chia;Chen, Chung-Ming;Lee, Xuan-Hao |
貢獻者: | 光電科技研究所 |
日期: | 2006-10
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上傳時間: | 2014-04-01T03:56:46Z
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出版者: | Elsevier |
摘要: | A speckle-multiplexing scheme with enhanced angular selectivity for holographic storage is proposed. Angular selectivity in the proposed holographic storage system is theoretically and experimentally investigated. We find the effect of speckle reference wave on angular selectivity strongly depends on the techniques to perform multiplexing for holographic storage. Angular selectivity of a holographic storage system can be effectively enhanced as long as angular deviation of reading wave induces a lateral displacement of the speckle pattern on the hologram plane. When angular deviation of reading wave only induces a speckle wavefront tilt on the hologram plane, the speckle wave is not helpful to enhance the angular selectivity and the angular selectivity becomes to depend on material thickness (Bragg condition) only. |
關聯: | Optics Communications, 266(2): 450-455 |
顯示於類別: | [光電科技研究所] 期刊論文
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