PHOTODEGRADATION AND NONLINEAR EFFECTS IN OPTICAL FIBERS INDUCED BY PULSED UV-LASER RADIATION

被引：47

作者：

KARLITSCHEK, P ^{[1
]}

HILLRICHS, G ^{[1
]}

KLEIN, KF ^{[1
]}

机构：

[1] FACHHSCH GIESSEN FRIEDBERG,D-61169 FRIEDBERG,GERMANY

来源：

OPTICS COMMUNICATIONS | 1995年 / 116卷 / 1-3期

关键词：

D O I：

10.1016/0030-4018(95)00057-F

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photodegradation of fused silica optical fibers was investigated during irradiation with pulsed uv-light for different laser parameters and coupling conditions. Colour center formation was detected by measuring absorption and fluorescence spectra between two subsequent laser pulses, E'- and NBOH-centers were detected after irradiation with 266 nm laser pulses, with the result of higher absorption of laser light by NBOH-centers. In addition, stronger degradation with distinct repetition rate dependence was observed when the core-cladding interface region had been irradiated. This effect results in a dramatic decrease in transmission and has to be avoided for optimum transmission by proper choice of coupling conditions. Nonlinear absorption and stimulated Raman-scattering were measured and their influence on uv-transmission for sensor applications was determined.

引用

页码：219 / 230

页数：12

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