Thermal regeneration of fiber Bragg gratings in photosensitive fibers

被引：79

作者：

Lindner, Eric ^{[1
]}

Chojetzki, Christoph ^{[2
]}

Brueckner, Sven ^{[1
]}

Becker, Martin ^{[1
]}

Rothhardt, Manfred ^{[1
]}

Bartelt, Hartmut ^{[1
]}

机构：

[1] Inst Photon Technol IPHT, D-07745 Jena, Germany

[2] FBGS Technol GmbH, D-07745 Jena, Germany

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 15期

关键词：

INDEX CHANGES; OPTICAL-FIBERS; LASER-PULSES; 193; NM; DECAY;

D O I：

10.1364/OE.17.012523

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report about a thermal regeneration of fiber Bragg gratings written in photosensitive fibers with nanosecond laser pulses. We observe a regenerative process in a highly photosensitive fiber without hydrogen loading which indicates a secondary grating growth in an optical fiber by thermal activation. This process is more temperature stable than the commonly known gratings produced by color center modifications. The writing conditions of such new type of gratings are investigated and the temperature behavior of these regenerated fiber Bragg gratings is analyzed. The application possibilities are in the field of high temperature sensor systems by making use of the combination of good spectral shape of a Type I grating with a Type II like temperature stability. (C) 2009 Optical Society of America

引用

页码：12523 / 12531

页数：9

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