Temperature Fiber Laser Sensor Based on a Hybrid Cavity and a Random Mirror

被引：68

作者：

Rodrigues Pinto, Ana Margarida ^{[1
]}

Lopez-Amo, Manuel ^{[1
]}

Kobelke, Jens ^{[2
]}

Schuster, Kay ^{[2
]}

机构：

[1] Univ Publ Navarra, Dept Ingn Elect & Elect, Pamplona 31006, Spain

[2] Inst Photon Technol, D-07702 Jena, Germany

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 08期

关键词：

Temperature sensor; fiber laser; Raman amplification; Fabry-Perot interferometer; microstructured fiber; Rayleigh scattering; INTERFEROMETER;

D O I：

10.1109/JLT.2011.2170814

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：

In the present work, a simple temperature fiber laser sensor configuration is proposed. The temperature fiber laser sensor is based in the combination of a Fabry-Perot hybrid cavity and a random mirror. The Fabry-Perot hybrid cavity is fabricated by splicing a single mode fiber with a small piece of suspended-core fiber. The random mirror is created by multiple Rayleigh scattering events running along the dispersion compensation fiber, as a direct consequence of Raman gain in this fiber. In the proposed configuration, the Fabry-Perot cavity presents simultaneously a double function: laser reflective mirror and temperature sensing cavity. The proposed temperature fiber laser sensor presents maximum output power of similar to 4 mW in a 15nm wavelength range while providing a temperature sensibility of similar to 6 pm/degrees C, in a 200 degrees C temperature range.

引用

页码：1168 / 1172

页数：5

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