Estimation of thermal conductivity of magneto-optic media

Xiaodong Xun; Chubing Peng; Masud Mansuripur

doi:10.1364/AO.39.004355

Estimation of thermal conductivity of magneto-optic media

Xiaodong Xun, Chubing Peng, Masud Mansuripur

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

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.

Original language	English (US)
Pages (from-to)	4355-4360
Number of pages	6
Journal	Applied optics
Volume	39
Issue number	24
DOIs	https://doi.org/10.1364/AO.39.004355
State	Published - Aug 20 2000

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.39.004355

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title = "Estimation of thermal conductivity of magneto-optic media",

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.",

author = "Xiaodong Xun and Chubing Peng and Masud Mansuripur",

year = "2000",

month = aug,

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AU - Xun, Xiaodong

AU - Peng, Chubing

AU - Mansuripur, Masud

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Y1 - 2000/8/20

N2 - 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.

AB - 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.

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JO - Applied optics

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Estimation of thermal conductivity of magneto-optic media

Abstract

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