PHOTOCONDUCTIVITY MEASUREMENTS IN OPTICAL-FIBER PREFORMS

被引：2
|
作者：
LAN, Q
OSTERBERG, U
机构：
[1] Thayer School of Engineering, Dartmouth College, Hanover
来源：
ELECTRONICS LETTERS | 1993年 / 29卷 / 04期
关键词：
OPTICAL FIBERS; PHOTOCONDUCTIVITY;
D O I：
10.1049/el:19930242
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 AC photoconductivity and the photodielectric shift in UV-illuminated germano-silicate preforms and optical fibres has been measured using a noncontact microwave resonator technique at 2.9 GHz. The highest photoconductivity measured was 1.5 x 10(-6)(OMEGA cm)-1 and the largest measured photodielectric shift corresponded to an increase of the refractive index of 1.6 x 10(-2). A permaNently induced increase of the refractive index, 6.1 x 10(-3), was also observed. The dark DC conductivity was measured to be 10(-15)(OMEGA cm)-1.
引用
收藏
页码：359 / 360
页数：2
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