Blue-violet 2-beam Optical Head for High-speed Recording

K. Sasaki; D. Koide; H. Yanagisawa; H. Tokumaru; Y. Fujita

doi:10.1364/ODS.2003.TuE8

Optical Data Storage
OSA Technical Digest Series (Optica Publishing Group, 2003),
paper TuE8
•https://doi.org/10.1364/ODS.2003.TuE8

Blue-violet 2-beam Optical Head for High-speed Recording

K. Sasaki, D. Koide, H. Yanagisawa, H. Tokumaru, and Y. Fujita

Optical Data Storage 2003

Vancouver Canada
11–14 May 2003
ISBN: 1-55752-732-6

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K. Sasaki, D. Koide, H. Yanagisawa, H. Tokumaru, and Y. Fujita, "Blue-violet 2-beam Optical Head for High-speed Recording," in Optical Data Storage, OSA Technical Digest Series (Optica Publishing Group, 2003), paper TuE8.

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Abstract

A blue-violet optical head that combines two laser beams while recording and isolates them during playback has been developed. Leaked light from the adjacent beam was evaluated and almost no crosstalk was observed during playback. A parallel-write-and-read experiment using this head demonstrated that high-speed operation could be performed.

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