Optical frequency domain reflectometry with a narrow linewidth fiber laser

被引：57
|
作者：
Oberson, P [1 ]
Huttner, B [1 ]
Guinnard, O [1 ]
Guinnard, L [1 ]
Ribordy, G [1 ]
Gisin, N [1 ]
机构：
[1] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 07期
关键词：
frequency modulation; OFDR; tunable laser;
D O I：
10.1109/68.853529
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 present a new optical frequency domain reflectometer based on a tunable fiber laser with a very narrow linewidth (about 10 kHz). This instrument performs reflectivity measurements with -110 dB sensitivity and 80 dB dynamic range. The narrow linewidth allows long-range measurements, at 150 m, with a spatial resolution of 16 cm, At short range, about 5 m, the resolution increases to subcentimeter.
引用
收藏
页码：867 / 869
页数：3
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