High-Reflectivity Thermally Stable Ultrafast Induced Fiber Bragg Gratings in H 2 -Loaded SMF-28 Fiber

High-Reflectivity Thermally Stable Ultrafast Induced Fiber Bragg Gratings in H 2 -Loaded SMF-28 Fiber

High-temperature stable high-reflectivity gratings are fabricated in hydrogen-loaded single-mode fiber (SMF-28) using ultrafast 800-nm radiation. An index modulation of ~ 9 x 10 super(-4) and a loss of >15 dB at the Bragg resonance is present after isochronal annealing up to 1000degC followed by...

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Bibliographic Details
Published in:IEEE photonics technology letters Vol. 21; no. 11
Main Authors: Smelser, C W, Grobnic, D, Mihailov, S J
Format: Journal Article
Language:English
Published: 01-05-2009
Subjects:
Annealing
Bragg gratings
Fibers
Isothermal annealing
Modulation
Noise levels
Photonics
Thermal stability
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Summary:High-temperature stable high-reflectivity gratings are fabricated in hydrogen-loaded single-mode fiber (SMF-28) using ultrafast 800-nm radiation. An index modulation of ~ 9 x 10 super(-4) and a loss of >15 dB at the Bragg resonance is present after isochronal annealing up to 1000degC followed by 96 h of isothermal annealing.
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ISSN:1041-1135
DOI:10.1109/LPT.2009.2016352