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Estimating the thermal conductivity of magneto-optical recording media

Authors :
Nakagawa, Hiroko
Nakamura, Shigeru
Takahashi, Masahiko
Arimoto, Akira
Source :
Applied Optics. August 1, 1992, Vol. 31 Issue 22, p4559, 4 p.
Publication Year :
1992

Abstract

A method is presented for estimating the thermal conductivity of magneto-optical recording media by using the temperature dependence of their Kerr effect. The temperature distribution of a recording layer observed as the distribution of polarized light intensity is used to estimate the thermal conductivity of the recording media. The thermal conductivity of a TbFeCo film is between 0.08 and 0.18 W/cm [degrees] C, and the conductivity of an SiN film is

Details

ISSN :
1559128X
Volume :
31
Issue :
22
Database :
Gale General OneFile
Journal :
Applied Optics
Publication Type :
Academic Journal
Accession number :
edsgcl.13020351