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

被引：180

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

页码：1379 / 1391

页数：13

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