Laser-induced damage to large core optical fiber by high peak power laser

被引：0
|
作者：
Sun, Xiaoguang [1 ]
Li, Jie [1 ]
机构：
[1] OFS, Specialty Photon Div, Avon, CT 06001 USA
来源：
OPTICAL FIBERS AND SENSORS FOR MEDICAL DIAGNOSTICS AND TREATMENT APPLICATIONS XIII | 2013年 / 8576卷
关键词：
laser damage; optical fiber; laser power delivery; reliability;
D O I：
10.1117/12.2002394
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In this paper we present a study of laser damage to large core multimode glass optical fibers by high peak laser power of up to 175 kW. Fibers samples prepared with polymer coatings having different refractive indices were tested in a two-point bend tester while transmitting laser light. The peak power used in the experiment clearly differentiated the performance among the samples. A polymer coating having lower refractive index significantly improves the fiber resistance to bending while transmitting laser. This observation provides important insight into the damage mechanism for this particular failure mode.
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页数：8
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