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Fabrication of long-period fiber gratings by focused irradiation of infrared femtosecond laser pulses

โœ Scribed by Kondo, Yuki; Nouchi, Kentaro; Mitsuyu, Tsuneo; Watanabe, Masaru; Kazansky, Peter G.; Hirao, Kazuyuki


Book ID
115423534
Publisher
Optical Society of America
Year
1999
Tongue
English
Weight
373 KB
Volume
24
Category
Article
ISSN
0146-9592

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Femtosecond laser fabrication of long pe
โœ Benye Li; Lan Jiang; Sumei Wang; Hai-Lung Tsai; Hai Xiao ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 490 KB

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