Inscription of fiber Bragg gratings by ultraviolet femtosecond radiation

被引：76

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

页码：2171 / 2173

页数：3

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