Inscription of narrow-band fibre Bragg gratings with 264 nm femtosecond pulses

被引：3

作者：

Kelleher, Patrick ^{[1
]}

Nikogosyan, David N. ^{[1
]}

机构：

[1] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland

来源：

OPTICAL FIBER TECHNOLOGY | 2010年 / 16卷 / 04期

关键词：

Bragg gratings; Scanning mask technique; PHASE MASK; LONG; FABRICATION;

D O I：

10.1016/j.yofte.2010.04.002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We fabricated narrow-band fibre Bragg gratings (FBGs) in photosensitive Ge/B codoped fibre by a scanning mask technique with high-intensity (30-60 GW/cm(2)) 264 nm 220 fs laser pulses. Comparing with recently reported inscription using 800 nm pulses and same scanning approach, our gratings demonstrate a smaller linewidth down to 0.2 nm and much higher grating strength at shorter length. In addition, the obtained results demonstrate the absence of significant off-band losses. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：212 / 216

页数：5

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