Refractive-index patterning of tellurite glass surfaces by laser spot heating

被引:18
作者
Inoue, S [1 ]
Nukui, A
Yamamoto, K
Yano, T
Shibata, S
Yamane, M
Maeseto, T
机构
[1] Natl Inst Res Inorgan Mat, Ibaraki, Osaka 305, Japan
[2] Tokyo Inst Technol, Fac Engn, Meguro Ku, Tokyo 152, Japan
[3] Shinko Pantec Co Ltd, Nishi Ku, Kobe, Hyogo 65122, Japan
来源
APPLIED OPTICS | 1998年 / 37卷 / 01期
关键词
D O I
10.1364/AO.37.000048
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A dot pattern of a refractive-index change was formed by spot heating with laser-beam irradiation on sodium tellurite glasses. The 15Na(2)O . 85TeO(2) (mol.%) glass doped with 2 mol. % of CoO was irradiated by a green light-beam spot (532 nm) similar to 800 mu m in diameter from the second-harmonic generator of a Q-switched pulsed YAG laser, The map of the refractive index of the glass was determined with an He-Ne laser beam by a scanning ellipsometric technique at a resolution of 100 mu m X 50 mu m, indicating that the spots possessing a refractive index lower by similar to 0.05 were formed at the region irradiated by the laser beam. (C) 1998 Optical Society of America.
引用
收藏
页码:48 / 53
页数:6
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