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17 September 2002 Storage density expansion by off-track recording
Derray Huang, Jau-Jiu Ju, Yuan-Chin Lee, Yi-Liang Chen, Wei-Chih Lu
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Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483306
Event: Photonics Asia, 2002, Shanghai, China
Abstract
We have delivered an idea, based on multiple level coding, to read and write with the multiple level tracking system. By utilizing off-track recording and multi-level coding, we may increase the track density to expand the optical disc density. Off-track recording is a design using LC diffractive optical element (LCDOE) to control the recording beam in desired angle. Another beam is for reading and tracking.
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Derray Huang, Jau-Jiu Ju, Yuan-Chin Lee, Yi-Liang Chen, and Wei-Chih Lu "Storage density expansion by off-track recording", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483306
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KEYWORDS
Beam controllers
Diffractive optical elements
Optical design
Optical discs
Optical storage
Optical tracking
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