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Bragg gratings in air-silica structured fibers
N Groothoff1, I Canning, E Buckley
1Optical Fibre Technology Centre, University of Sydney, 206 National Innovation Centre, Eveleigh 1430, Sydney, NSW, Australia.
Optics Letters
|March 26, 2003
Abstract:
We report on grating writing in air-silica structured optical fibers with pure silica cores by use of two-photon absorption at 193 nm. A decrease in propagation loss with irradiation was observed. The characteristic growth curves were obtained.