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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 17 — Jun. 10, 2007
  • pp: 3583–3592

Optics InfoBase > Applied Optics > Volume 46 > Issue 17 > Page 3583

Littrow-type external-cavity blue laser for holographic data storage

Tomiji Tanaka, Kazuo Takahashi, Kageyasu Sako, Ryo Kasegawa, Mitsuru Toishi, Kenjiro Watanabe, David Samuels, and Motonobu Takeya  »View Author Affiliations


Applied Optics, Vol. 46, Issue 17, pp. 3583-3592 (2007)
http://dx.doi.org/10.1364/AO.46.003583


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Abstract

An external-cavity laser with a wavelength of 405   nm and an output of 80   mW has been developed for holographic data storage. The laser has three states: the first is a perfect single mode, whose coherent length is 14 m; the second is a three-mode state with a coherent length of 3   mm ; and the third is a six-mode state with a coherent length of 0.3   mm . The first and second states are available for angular-multiplexing recording; all states are available for coaxial multiplexing recording. Due to its short wavelength, the recording density is higher than that of a 532   nm laser.

© 2007 Optical Society of America

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(090.7330) Holography : Volume gratings
(140.3570) Lasers and laser optics : Lasers, single-mode
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 27, 2006
Manuscript Accepted: January 9, 2007
Published: May 18, 2007

Citation
Tomiji Tanaka, Kazuo Takahashi, Kageyasu Sako, Ryo Kasegawa, Mitsuru Toishi, Kenjiro Watanabe, David Samuels, and Motonobu Takeya, "Littrow-type external-cavity blue laser for holographic data storage," Appl. Opt. 46, 3583-3592 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-17-3583

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