Title :
30 dB long-period fibre grating inscription by high-intensity femtosecond 352 nm laser pulses
Author :
Dubov, M. ; Bennion, I. ; Slattery, Stephen A. ; Nikogosyan, David N.
Author_Institution :
Photonics Res. Group, Aston Univ., Birmingham, UK
Abstract :
We describe long-period grating inscription in hydrogenated telecom fibres using high-intensity 352 nm laser pulses and show that this technique allows us to fabricate very strong (30 dB) high-quality fibre gratings via three-photon absorption.
Keywords :
Bragg gratings; high-speed optical techniques; hydrogenation; laser materials processing; multiphoton processes; optical fibre fabrication; 352 nm; high-intensity femtosecond laser pulses; hydrogenated telecom fibres; long-period fibre grating inscription; three-photon absorption;
Conference_Titel :
Optical Communication, 2005. ECOC 2005. 31st European Conference on
Conference_Location :
IET
Print_ISBN :
0-86341-543-1
