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

Xiaoguang Sun; Jie Li

doi:10.1117/12.2002394

20 March 2013 Laser-induced damage to large core optical fiber by high peak power laser

Xiaoguang Sun, Jie Li

Proceedings Volume 8576, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIII; 857607 (2013) https://doi.org/10.1117/12.2002394
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Xiaoguang Sun and Jie Li "Laser-induced damage to large core optical fiber by high peak power laser", Proc. SPIE 8576, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIII, 857607 (20 March 2013); https://doi.org/10.1117/12.2002394

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