Temperature Sensing Based on Multimodal Interference in Plastic Optical Fibers: Sensitivity Enhancement by Annealing

被引：0
|
作者：
Kawa, Tomohito [1 ]
Numata, Goki [1 ]
Lee, Heeyoung [1 ]
Hayashi, Neisei [2 ]
Mizuno, Yosuke [1 ]
Nakamura, Kentaro [1 ]
机构：
[1] Tokyo Inst Technol, Inst Innovat Res, Midori Ku, 4259-R2-26 Nagatsuta Cho, Yokohama, Kanagawa 2268503, Japan
[2] Univ Tokyo, Res Ctr Adv Sci & Technol, Meguro Ku, 4-6-1 Komaba, Tokyo 1538904, Japan
来源：
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR) | 2017年
关键词：
optical fiber sensors; multimodal interference; plastic optical fibers; annealing; SENSOR; 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：
To date, we have developed a temperature sensor based on multimodal interference in a plastic optical fiber (POF) with an extremely high sensitivity. Here we experimentally evaluate the influence of annealing (heat treatment) of the POF on the temperature sensitivity at room temperature. We show that the temperature sensitivity is enhanced with increasing annealing temperature, and that, by annealing the POF at 90 degrees C, we obtain a temperature sensitivity of +2.17 nm/degrees C, which is approximately 3 times larger than that without annealing.
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页数：3
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