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Femtosecond laser pulses induced ultra-long-period fiber gratings for simultaneous measurement of high temperature and refractive index

โœ Scribed by Liu, Yi; Qu, Shiliang

Book ID
123065342
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
1003 KB
Volume
124
Category
Article
ISSN
0030-4026

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An improved point-by-point inscription method is proposed to fabricate long period fiber gratings (LPFGs) by using a laser operating at 800 nm with 35 fs duration pulses. The sensitivity to misalignment between the core and the focus is reduced by scanning a rectangular part on the fiber. LPFGs with