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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 2 — Jan. 10, 2002
  • pp: 361–369

Measurement of the thermal coefficients of rewritable phase-change optical recording media

Chubing Peng and Masud Mansuripur  »View Author Affiliations


Applied Optics, Vol. 41, Issue 2, pp. 361-369 (2002)
http://dx.doi.org/10.1364/AO.41.000361


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Abstract

We describe a method to estimate the heat capacity of the substrate, the dielectric layer, and the phase-change layer of phase-change optical recording media as well as the thermal conductivity of the phase-change layer in its crystalline state. Measurements were carried out on spinning disks with the beam of light focused and locked onto the groove track. The method relies on the identification of the solid-to-liquid phase transition that occurs in the phase-change layer and takes advantage of the dependence of thermal diffusion on track velocity and irradiation time.

© 2002 Optical Society of America

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.4810) Optical data storage : Optical storage-recording materials

History
Original Manuscript: March 14, 2001
Revised Manuscript: September 26, 2001
Published: January 10, 2002

Citation
Chubing Peng and Masud Mansuripur, "Measurement of the thermal coefficients of rewritable phase-change optical recording media," Appl. Opt. 41, 361-369 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-2-361

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