| Femtosecond laser writing Bragg gratings in pure silica photonic crystal fibres (2005) | |||||||||||||
Abstract | |||||||||||||
| The fabrication of Bragg gratings in pure silica photonic crystal fibres using ultra-violet femtosecond laser radiation at 267 nm is reported. Gratings have been fabricated with a depth of up to 10 dB and an average index change of Δn> 4 x 10⁻⁴. Thermal annealing investigations indicate that our grating type is not type II.. 3 page(s) | |||||||||||||
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