Optical phase multi-level recording in microhologram

Hideharu Mikami(Hitachi (Japan)), Kentaro Osawa(Hitachi (Japan)), Koichi Watanabe(Hitachi (Japan))
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
June 3, 2010
10.1117/12.866058
Cited by 18

Abstract

A novel multi-level scheme using optical phase is proposed. It overcomes drawbacks in conventional multi-level schemes and greatly enhances capacity and transfer rate of microholographic optical discs. We demonstrate its feature of high signal-to-noise ratio.

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