Spontaneous raman scattering in optical fibers with modulated probe light for distributed temperature Raman remote sensing

被引：169
|
作者：
Farahani, MA [1 ]
Gogolla, T
机构：
[1] Ruhr Univ Bochum, Lehrstuhl Allgemeine Elektrotech & Elektrooptik, D-44780 Bochum, Germany
[2] Ruhr Univ Bochum, Lehrstuhl Allgemeine Elektrotech & Elektrooptik, D-44780 Bochum, Germany
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1999年 / 17卷 / 08期
关键词：
distributed-temperature remote sensing; fiber optics; fiber sensors; optical-fiber frequency-domain analysis; spontaneous Raman scattering;
D O I：
10.1109/50.779159
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：
Long-length fiber-optic remote Raman sensors are used for distributed temperature measurements. Toward this aim, we apply optical-fiber frequency-domain reflectometry. The Raman intensity generated in single- and multimode optical fibers is theoretically investigated for sinusoidally intensity-modulated probe light. Thus, a proper sensor element and wavelength for fiber-optic Raman sensing is determined. Further, the temperature error for long sensor fibers is theoretically analyzed.
引用
收藏
页码：1379 / 1391
页数：13
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