Inscription of fiber Bragg gratings by ultraviolet femtosecond radiation

被引：75
|
作者：
Dragomir, A [1 ]
Nikogosyan, DN
Zagorulko, KA
Kryukov, PG
Dianov, EM
机构：
[1] Univ Coll Cork, Natl Univ Ireland, Dept Phys, Cork, Ireland
[2] Russian Acad Sci, Gen Phys Inst, Fiber Opt Res Ctr, Moscow 119991, Russia
来源：
OPTICS LETTERS | 2003年 / 28卷 / 22期
关键词：
D O I：
10.1364/OL.28.002171
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on what is to our knowledge the first fabrication of fiber Bragg gratings by UV femtosecond radiation. The Bragg gratings, with photoinduced refractive-index modulation up to 1.92 x 10(-3) in H-2-loaded SMF-28 and up to 1.05 x 10(-3) in Nufern GF1 fibers, were written by high-intensity (31-77-GW/cm(2)) femtosecond, pulses at 264 nm. The dependence of the refractive-index modulation on intensity at equal fluences points to a two-photon absorption mechanism for grating inscription. (C) 2003 Optical Society of America.
引用
收藏
页码：2171 / 2173
页数：3
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