Resilient long-distance sensor system using a multiwavelength Raman laser

被引：26
|
作者：
Fernandez-Vallejo, M. [1 ]
Diaz, S. [1 ]
Perez-Herrera, R. A. [1 ]
Passaro, D. [2 ]
Selleri, S. [2 ]
Quintela, M. A. [3 ]
Lopez Higuera, J. M. [3 ]
Lopez-Amo, M. [1 ]
机构：
[1] Univ Publ Navarra, Dept Elect & Elect Engn, Pamplona, Spain
[2] Univ Parma, I-43100 Parma, Italy
[3] Univ Cantabria, Grp Ingn Foton, E-39005 Santander, Spain
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2010年 / 21卷 / 09期
关键词：
Raman fiber laser; resilient; fiber Bragg grating (FBG); sensor multiplexing; ERBIUM-DOPED FIBER; REMOTE-SENSING APPLICATIONS; BRAGG GRATINGS; SHIFTED FIBER; LINEAR-CAVITY; RING LASER; TEMPERATURE; AMPLIFICATION; STRAIN;
D O I：
10.1088/0957-0233/21/9/094017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper shows a long-distance remote sensing system using a multiwavelength Raman laser. The sensor network is based on a 50 km long standard single-mode fiber (SMF) and is composed of a simple cavity based on a loop mirror and four fiber Bragg gratings (FBGs) arranged in a star configuration. FBGs are used for both the sensing function and the selection of the lasing wavelengths. The system is designed to be inherently resilient to fiber failures. The multiwavelength laser has been characterized for temperature measurements showing a good stability performance.
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页数：5
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