Ultraviolet-induced absorption losses in hydrogen-loaded optical fibers and in presensitized optical fibers

Abstract

Reduced hydroxyl formation in presensitized fibers exposed to cw 244-nm light after hydrogen outdiffusion is reported. The OH band in the presensitized fiber shifts toward 1390 nm. In the fully hydrogen-loaded fiber the OH band is centered at 1397 nm and does not shift with fluence.

© 2000 Optical Society of America

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