DocumentCode :
1106700
Title :
Fabrication and Mode Identification of Compact Long-Period Gratings Written by CO 
Laser
Author :
Chan, Hon M. ; Alhassen, Fares ; Tomov, Ivan V. ; Lee, Henry P.
Author_Institution :
Univ. of California, Irvine
Volume :
20
Issue :
8
fYear :
2008
fDate :
4/15/2008 12:00:00 AM
Firstpage :
611
Lastpage :
613
Abstract :
We report highly compact (1.2 cm) long-period fiber gratings (LPGs) exhibiting strong grating effect (>30-dB loss) and low insertion loss (<0.25 dB) inscribed by a continuously scanned CO2 laser. The LPG resonances are also probed using traveling acoustic gratings with variable period. Our results show that these CO2 laser side-exposed LPGs predominantly couple to antisymmetrical cladding modes.
Keywords :
carbon compounds; diffraction gratings; gas lasers; laser materials processing; optical fibre cladding; optical fibre fabrication; optical fibre losses; CO2; CO2 laser; antisymmetrical cladding modes; compact gratings; fiber gratings; grating effect; insertion loss; long-period gratings; mode identification; optical fabrication; size 1.2 cm; traveling acoustic gratings; Fiber gratings; Fiber lasers; Insertion loss; Laser modes; Optical coupling; Optical device fabrication; Optical fiber devices; Optical fiber sensors; Optical fibers; Silicon compounds; CO$_{2}$
fLanguage :
English
Journal_Title :
Photonics Technology Letters, IEEE
Publisher :
ieee
ISSN :
1041-1135
Type :
jour
DOI :
10.1109/LPT.2008.918908
Filename :
4475228
Link To Document :
