Conference paper

Fabrication of fiber Bragg gratings in 40 mm diameter low GeO2 silica fiber using cw-Ar+-laser

Mean index changes >10-3 were obtained in non-hydrogen-loaded 3% GeO2-doped silica fibers with a 9/40 micrometer core/cladding diameter using a cw 244-nm-Ar+-laser. Core stress changes are positive indicating a compaction contribution to the index change.


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