SURFACE-TEMPERATURE MEASUREMENT OF DIELECTRIC MATERIALS HEATED BY PULSED LASER-RADIATION - COMMENT

被引:4
作者
BAUER, S
PLOSS, B
SCHWER, S
机构
[1] Institut für Angewandte Physik der Universität Karlsruhe, W-7500 Karlsruhe 1
关键词
D O I
10.1016/0009-2614(91)80201-8
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Recently, Zenobi, Hahn and Zare introduced thin-film resistance sensors for the surface temperature measurement of dielectric materials heated by pulsed laser radiation. They concluded that absorption or reflection by their thin-film sensor is in any case negligible, thus causing no systematic errors. We show theoretically and experimentally that the thin-film sensors can be very effective absorbers for the infrared radiation used by Zenobi et al. The absorptance of the thin-film sensor is negligible only if its square resistance is greater than 10 k-OMEGA.
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页码:119 / 122
页数:4
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