Optimal design and fabrication of SMS fiber temperature sensor for liquid |
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Authors: | Ren Xi Gao Qiang Wang Fang Zhao Bo Meng Shi Liang Qu |
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Institution: | Department of Optoelectronics, Harbin Institute of Technology at Weihai, Weihai 264209, China |
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Abstract: | Single-mode/multi-mode/single-mode (SMS) fiber sensors are optimally designed and used as high sensitivity temperature sensors in special temperature range. It is shown that the width of multi-mode fiber is a key factor influencing the performance of as-fabricated temperature sensors, which can be effectively controlled in the fabrication process by monitoring the output power of SMS fiber during wet acid etching process. As-fabricated temperature sensors show promising potential applications for precisely monitoring chemical reaction temperature in chemistry and biomedicine fields. |
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Keywords: | Fiber optic sensors SMS structures Modal interference Microbend effect |
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