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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 24 — Aug. 20, 2000
  • pp: 4355–4360

Estimation of thermal conductivity of magneto-optic media

Xiaodong Xun, Chubing Peng, and Masud Mansuripur  »View Author Affiliations


Applied Optics, Vol. 39, Issue 24, pp. 4355-4360 (2000)
http://dx.doi.org/10.1364/AO.39.004355


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Abstract

We describe a method to estimate the thermal conductivity of the substrate, the dielectric layer, and the magneto-optic (MO) layer of MO recording media. The method relies on the disappearance of the polar Kerr rotation above the Curie temperature of the MO layer. We obtain the thermal conductivities by taking into account the differences in the heat diffusion behavior under different sized focused spots. The results are reliable to better than 5% accuracy.

© 2000 Optical Society of America

OCIS Codes
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(210.3820) Optical data storage : Magneto-optical materials
(210.4770) Optical data storage : Optical recording

History
Original Manuscript: February 11, 2000
Revised Manuscript: June 13, 2000
Published: August 20, 2000

Citation
Xiaodong Xun, Chubing Peng, and Masud Mansuripur, "Estimation of thermal conductivity of magneto-optic media," Appl. Opt. 39, 4355-4360 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-24-4355

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