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

页码：867 / 869

页数：3

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