Measurement of the thermal conductivity of erasable phase-change optical recording media

被引：0
|
作者：
Peng, Chubing [1 ]
Mansuripur, M. [1 ]
机构：
[1] Optical Sciences Center, University of Arizona, Tucson, AZ 85721, United States
来源：
Applied Optics | 2000年 / 39卷 / 14期
关键词：
Laser beams - Optical recording - Phase transitions - Thermal diffusion;
D O I：
10.1364/ao.39.002347
中图分类号：
学科分类号：
摘要：
We describe a method to estimate the thermal conductivity of the substrate, the dielectric layer, the phase-change (PC) layer, and the reflective layer of PC optical recording media. The method relies on the amorphous-to-crystalline phase transition that occurs in the PC layer and takes advantage of the difference in the thermal diffusion behavior under different-sized focused spots. All the results obtained here are reliable with better than ±5% accuracy, which is within the margin of our experimental error. © 2000 Optical Society of America.
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页码：2347 / 2352
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