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Proceedings Paper

Hydrogenation influence on telecom fiber Bragg gratings properties
Author(s): Kazimierz Jedrzejewski; Jerzy Helsztynski; Lech Lewandowski
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Paper Abstract

Special photosensitive high germanium boron-codoped fibers are too expensive for every-day application in the research laboratory. To lower the running costs of the fibers high-pressure hydrogenation unit was realized in form of special piping system with pressure control, easy handling and all safety requirements fulfilled. The technology and special procedures of hydrogen loading into single-mode fibers were developed and tested. Available standard single mode fiber samples used by the telecom cable companies (lengths of 2-3m) were inserted into hydrogen for different static diffusion time periods under the pressure 100-140 bar in the room temperature. The optimal hydrogenation procedures for best quality gratings were found. The post-hydrogenation low-temperature storage conditions were also controlled and gratings spectral characteristics measured. No Bragg grating formation was seen in unloaded fibers under the same laser illumination.

Paper Details

Date Published: 23 September 2005
PDF: 7 pages
Proc. SPIE 5951, Optical Fibers: Technology, 59510I (23 September 2005); doi: 10.1117/12.622838
Show Author Affiliations
Kazimierz Jedrzejewski, Warsaw Univ. of Technology (Poland)
Jerzy Helsztynski, Warsaw Univ. of Technology (Poland)
Lech Lewandowski, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 5951:
Optical Fibers: Technology
Jan Rayss; Brian Culshaw; Anna Grazia Mignani, Editor(s)

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