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Stability of thermally hypersensitised phosphosilicate waveguides and the characteristic growth curve
Author(s) -
John Canning,
P.-F. Hu
Publication year - 2001
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.9.000476
Subject(s) - materials science , optics , fluence , refractive index , grating , hydrogen , optoelectronics , physics , laser , quantum mechanics
Low temperature (80 0 C) hypersensitised hydrogen-loaded phosphosilicate optical fibre is found to be unstable, decaying progressively at room temperature. However, the hypersensitisation process linearises the grating growth characteristic curve. Further, a negative index contribution is inferred at low fluence in the presence of hydrogen.

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