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9 February 2012 Multiplex and multilevel optical recording for optical mass-storage by retardagraphy
Hiroki Sekiguchi, Daisuke Barada, Takanori Ochiai, Takashi Fukuda, Shigeo Kawata, Toyohiko Yatagai
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Proceedings Volume 8281, Practical Holography XXVI: Materials and Applications; 828117 (2012) https://doi.org/10.1117/12.909859
Event: SPIE OPTO, 2012, San Francisco, California, United States
Abstract
Multi-valued phase patterns were multiply recorded by retardagraphy in order to improve recording density and data transfer rate. In the experiment, the phase pattern consists of four values were recorded on a polarization-sensitive medium by focusing the recording beam, and three patterns were multiply recorded by shifting the focal point. The recorded patterns could be independently reconstructed.
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Hiroki Sekiguchi, Daisuke Barada, Takanori Ochiai, Takashi Fukuda, Shigeo Kawata, and Toyohiko Yatagai "Multiplex and multilevel optical recording for optical mass-storage by retardagraphy", Proc. SPIE 8281, Practical Holography XXVI: Materials and Applications, 828117 (9 February 2012); https://doi.org/10.1117/12.909859
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KEYWORDS
Optical recording
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