Advanced Lens Design for Bit-Wise Volumetric Optical Data Storage
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概要
- 論文の詳細を見る
The storage capacity of a fluorescent bit-wise volumetric optical data storage system is limited by the inter-layer crosstalk and the maximum compensation range of spherical aberration induced by different layers inside the medium. Lens designs of far-field and near-field optical systems suitable for volumetric storage are presented. The maximum compensation range of each design is calculated. The storage densities of far-field and near-field confocal systems in terms of bits-in-2 are derived based on the maximum compensation ranges and appropriate data layer spacings that induce a $-30$ dB maximum level of inter-layer crosstalk. It is shown that an optimized near-field system is able to achieve 1.65 Tb-in-2 data density.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-07-15
著者
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Zhang Yan
Optical Data Storage Center Optical Sciences Center Univeristy Of Arizona
-
Milster Tom
Optical Data Storage Center
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Park Sang-ki
Optical Sciences Center University Of Arizona
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Park Sang-Ki
Optical Sciences Center, University of Arizona, Tucson, Arizona 85721, U.S.A.
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Kim Jai
School of Physics, Seoul National University, San 56-1 Sillim-Dong, Kwanak-Gu, Seoul, 151-747, Korea
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Zhang Yan
Optical Sciences Center, University of Arizona, Tucson, Arizona 85721, U.S.A.
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