Journal
ELECTRONICS LETTERS
Volume 43, Issue 8, Pages 443-445Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el:20073771
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Long-period fibre grating (LPFG) writing by a CO2 laser-annealing using a fibre-drawing process is demonstrated. The fibre in the drawing process was irradiated periodically by a CO2 laser to modify the refractive index. An LPFG with transmission loss of - 10 dB and full width at half-maximum of 13 nm has been fabricated. Results show that the refractive index change was induced by stress at the moment of laser annealing.
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