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Hydrogen influence on regenerated FBGs produced by the phase mask technique with 266 nm femtosecond pulses

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Abstract

We show the influence of hydrogen in the regeneration process of FBGs made by a femtosecond laser at 266 nm and the phase mask technique in optical fibers with different hydrogen content (pre-loaded, post-loaded and without hydrogen).

© 2014 Optical Society of America

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