Effects of thermal annealing on the optical characteristics of K+-Na+ waveguides

被引:9
作者
Ciminelli, C
D'Orazio, A
De Sario, M
Gerardi, C
Petruzzelli, V
Prudenzano, F
机构
[1] Politecn Bari, Dipartimento Elettrotecn & Elettron, I-70125 Bari, Italy
[2] Ctr Nazl ric & Sviluppo Mat, PASTIS, I-72100 Brindisi, Italy
来源
APPLIED OPTICS | 1998年 / 37卷 / 12期
关键词
D O I
10.1364/AO.37.002346
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a systematic study of the changes induced in the refractive-index profile of different sets of K+-Na+ ion-exchanged waveguides on soda-lime and BK7 substrates because of thermal annealing in the presence or absence of salt vapors. The concentration of potassium is recovered by secondary ion mass spectrometry, and the propagation losses are measured by means of the three-prism configuration. (C) 1998 Optical Society of America.
引用
收藏
页码:2346 / 2356
页数:11
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