Coding Techniques for Distributed Fiber Sensors Based on Brillouin Scattering (Invited)

被引：0
|
作者：
Horiguchi, Tsuneo [1 ]
机构：
[1] Shibaura Inst Technol, Koto Ku, 3-7-5 Toyosu, Tokyo 1358548, Japan
来源：
2016 IEEE 6TH INTERNATIONAL CONFERENCE ON PHOTONICS (ICP) | 2016年
关键词：
BOTDA; BOTDR; Brillouin scattering; distributed fiber sensor; Pulse coding; SPATIAL-RESOLUTION; STRAIN; BOTDA; PERFORMANCE; IMPROVEMENT; MODULATION; SPECTRUM;
D O I：
暂无
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：
We review coding techniques for fiber-optic distributed strain and temperature sensors, Brillouin Optical Time Domain Analysis (BOTDA) and Brillouin Optical Time Domain Reflectometry (BOTDR), based on stimulated and spontaneous Brillouin scatterings. The straightforward employment of previous coding techniques fails to enhance signal-to-noise ratio with high spatial resolution. The failure is caused by acousticwave damping effects which involve in the Brillouin scatterings. We show that both the advantageous use and the reduction of the acoustic damping effects lead to successful and efficient implementation of coding techniques to high spatial resolution fiber-optic Brillouin sensors.
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页数：5
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