Bragg Grating Formation in B/Ge Codoped Optical Fibers

被引：0
|
作者：
Chu Pak L
Lai Robust
机构：
[1] CHN
[2] City University of Hongkong
[3] Kowloon
[4] Optoelectron. Research Centre
[5] Tat Chee Avenue
来源：
SemiconductorPhotonicsandTechnology | 2005年 / 01期
关键词：
Fiber Bragg grating; Refractive index; Phase mask method;
D O I：
暂无
中图分类号：
TN818 [光纤传输线、光缆];
学科分类号：
0803 ;
摘要：
A 2-cm long Bragg grating with reflectivity of ~99.95% in B/Ge codoped optical fiber without hydrogen loading was created by phase-mask method with a pulsed KrF excimer laser at 248nm. DC and AC components of refractive index change were analyzed by monitoring transmission spectrum evolution during the writing process of fiber Bragg grating. The relations of the evolution of center wavelength and reflectivity with number of pulses were respectively investigated.
引用
收藏
页码：5 / 8
页数：4
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