PHOTOINDUCED BIREFRINGENCE IN OPTICAL FIBERS - A COMPARATIVE-STUDY OF LOW-BIREFRINGENCE AND HIGH-BIREFRINGENCE FIBERS

被引：24
作者：
BARDAL, S
KAMAL, A
RUSSELL, PS
机构：
[1] Optoelectronics Research Centre, University of Southampton, Southampton
[2] Division of Physical Electronics, Norwegian Institute of Technology, University of Trondheim, Trondheim
来源：
OPTICS LETTERS | 1992年 / 17卷 / 06期
关键词：
D O I：
10.1364/OL.17.000411
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A study of photoinduced birefringence in bow-tie (stress-induced) high-birefringence (Hi-Bi) and low-birefringence (Lo-Bi) germanosilicate optical fibers is conducted by using 532-nm light. The study reveals that Hi-Bi fibers are insensitive to light polarized along the fast axis, in contrast to Lo-Bi fibers, which are photosensitive along both axes. The induced birefringence in Lo-Bi fibers is reversible, whereas the change in Hi-Bi fibers is permanent. The sign of the induced birefringence is established experimentally for the first time to our knowledge, and the significance of the results to models based on stress and/or glass defects is briefly discussed.
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页码：411 / 413
页数：3
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