PHOTOTHERMAL METHOD FOR DETERMINATE ABSORPTION OF THIN-FILM COATINGS

被引：0
|
作者：
Petrovska, Galyna A. [1 ]
机构：
[1] Lviv Polytech Natl Univ, Dept Photon, UA-79013 Lvov, Ukraine
来源：
CAOL 2008: PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON ADVANCED OPTOELECTRONICS AND LASERS | 2008年
关键词：
thin-film coatings; absorptance; interferometer of Fabry-Perot; photothermal;
D O I：
10.1109/CAOL.2008.4671949
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The photothermal method for determinate absorption of the optical thin-film coatings is developed. The absorptance was determinate by the value of thermal lens in the air that is near the surface of the researcher sample. The thermal lens appears as a result of the absorption of the part high-power laser emission with known spatio-temporal distribution of energy. The value of thermal lens is measured by the scanning two-channel interferometer of Fabry-Perot.
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页码：419 / 421
页数：3
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