ENHANCED UV PHOTOSENSITIVITY IN BORON CODOPED GERMANOSILICATE FIBERS

被引:159
作者
WILLIAMS, DL
AINSLIE, BJ
ARMITAGE, JR
KASHYAP, R
CAMPBELL, R
机构
[1] BT Labs., Martlesham Heath
关键词
OPTICAL FIBERS; REFRACTIVE INDEX;
D O I
10.1049/el:19930030
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
Boron codoped germanosilcate fibres are shown to be highly photosensitive. A UV written 1.53 mum Bragg grating with 95% reflectivity and a 1.1 nm bandwidth is formed with a UV intensity as low as 1 W/cm2 in only 10 min.
引用
收藏
页码:45 / 47
页数:3
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