Tunable blue laser compensates for thermal expansion of the medium in holographic data storage.

Tunable blue laser compensates for thermal expansion of the medium in holographic data storage. Research Abstract Details 

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Tunable blue laser compensates for thermal expansion of the medium in holographic data storage. Abstract Text:

Tomiji Tanaka,Kageyasu Sako,Ryo Kasegawa,Mitsuru Toishi,Kenjiro Watanabe,

A tunable laser optical source equipped with wavelength and mode-hop monitors was developed to compensate for thermal expansion of the medium in holographic data storage. The laser's tunable range is 402-409 nm, and supplying 90 mA of laser diode current provides an output power greater than 40 mW. The aberration of output light is less than 0.05 lambdarms. The temperature range within which the laser can compensate for thermal expansion of the medium is estimated based on the tunable range, which is +/-13.5 degrees C for glass substrates and +/-17.5 degrees C for amorphous polyolefin substrates.

Tunable blue laser compensates for thermal expansion of the medium in holographic data storage. Publishing Authors By Initials

T Tanaka,K Sako,R Kasegawa,M Toishi,K Watanabe,

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Tunable blue laser compensates for thermal expansion of the medium in holographic data storage. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Applied optics

VOLUME: 46

Page Numbers: 6263-72

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ISSN: 0003-6935

DAY: 1

MONTH: Sep

YEAR: 2007

Tunable blue laser compensates for thermal expansion of the medium in holographic data storage. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Tunable blue laser compensates for thermal expansion of the medium in holographic data storage.

AFFILIATION: Tera Bytes Memory Development Department, Core Technology Development Group, Sony Corporation, 5-1-12 Kitashinagawa, Tokyo 141-0001, Japan. tomiji.tanaka@jp.sony.com

Country: United States

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MEDLINETA: Appl Opt

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