Distributed Temperature Sensing System based on Raman-Optical Time Domain Reflectometry

被引：0
|
作者：
Kumar, Kishore [1 ]
Varadhan, Venkatesh [1 ]
Srinivasan, Balaji [1 ]
机构：
[1] Indian Inst Technol Madras, Dept Elect Engn, Chennai, India
来源：
2024 IEEE APPLIED SENSING CONFERENCE, APSCON | 2024年
关键词：
D O I：
10.1109/APSCON60364.2024.10465770
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：
Raman Optical Time Domain Reflectometry (ROTDR) combines the principles of Raman scattering and OTDR to enable distributed temperature sensing along the length of the optical fiber. An optical receiver with high gain bandwidth (similar to 6e7 MHz) has been designed and fabricated to detect extremely weak (sub-nW) anti-Stokes backscattered light, which allows the use of relatively low-power semiconductor lasers for distributed temperature sensing applications.
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