EVALUATION OF BRILLOUIN SCATTERING PROPERTIES IN PLASTIC OPTICAL FIBERS FOR WIDE-RANGE TEMPERATURE SENSING

被引：0
|
作者：
Minakawa, K. [1 ]
Hayashi, N. [1 ]
Shinohara, Y. [1 ]
Tahara, M. [1 ]
Hosoda, H. [1 ]
Mizuno, Y. [1 ]
Nakamura, K. [1 ]
机构：
[1] Tokyo Inst Technol, Precis & Intelligence Lab, Midori Ku, Yokohama, Kanagawa 22698503, Japan
来源：
2013 18TH MICROOPTICS CONFERENCE (MOC) | 2013年
关键词：
STRAIN;
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 investigate the temperature dependence of Brillouin scattering properties in perfluorinated graded-index (PFGI-) plastic optical fibers (POFs) in a wide temperature range from -170 to 130 degrees C. The temperature dependence of Brillouin frequency shift is found to be nonlinear at > 84 degrees C; while it shows linear dependences even at -170 degrees C. The Stokes power is maximal at similar to 60 degrees C and is gradually reduced with decreasing or increasing temperature. Our results indicate that the Brillouin scattering in PFGI-POFs can be exploited to cryogenic-temperature sensing as well as higher-temperature sensing.
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