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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 4 — Feb. 15, 1988
  • pp: 736–738

Materials developments for write-once and erasable phase-change optical recording

Dirk J. Gravesteijn  »View Author Affiliations


Applied Optics, Vol. 27, Issue 4, pp. 736-738 (1988)
http://dx.doi.org/10.1364/AO.27.000736


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Abstract

Stoichiometric amorphous films of InSb or GaSb are found to have very short (<15 ns) crystallization times when heated to temperatures close to their melting point. They can be used for write-once amorphous to crystalline optical recording. By adding Te to InSb the crystallization time can be tuned so that erasable crystalline to amorphous optical recording is feasible with a 1-μm sized circular erase spot. Carrier-to-noise ratios of more than 50 dB are achievable at compact disk (CD) recording conditions. The erasable medium allows for CD-type run-length-limited encoding at user bit densities of <0.6 μm/bit.

© 1988 Optical Society of America

History
Original Manuscript: July 10, 1987
Published: February 15, 1988

Citation
Dirk J. Gravesteijn, "Materials developments for write-once and erasable phase-change optical recording," Appl. Opt. 27, 736-738 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-4-736

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