Compact optical fiber temperature sensor with high sensitivity based on liquid-filled silica capillary tube

Mao Yu; Zhang Yuxi; Xue Ruikai; Liu Yi; Cao Kunjian; Qu Shiliang

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Compact optical fiber temperature sensor with high sensitivity based on liquid-filled silica capillary tube

机译：基于液体填充二氧化硅毛细管的紧凑型光纤温度传感器

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We propose a highly sensitive fiber temperature sensor based on a section of liquid-sealed silica capillary tube inserted in a single-multi-single-mode fiber structure. The liquid polymer is filled into the silica capillary tube through two micro-holes drilled by a femtosecond laser. Then the micro-holes are blocked by UV curable adhesive with ultra-small volume. Obvious Mach-Zehnder interference peaks were shown in its transmission spectrum. The proposed fiber temperature sensor can be reliably used for actual point detection owing to its high sensitivity (8.09 nm/degrees C), good linearity (99.93%), compact size, good mechanical property, high fabrication efficiency, and good repeatability and stability. (C) 2018 Optical Society of America

机译：我们提出了一种高灵敏度的纤维温度传感器，该纤维温度传感器基于一段液体密封的二氧化硅毛细管，插入单多单模光纤结构。将液体聚合物填充到二氧化硅毛细管中，通过由飞秒激光钻出的两个微孔。然后通过UV可固化粘合剂堵塞微孔，具有超小体积。显而易见的Mach-Zehnder干扰峰值在其传输光谱中显示。由于其高灵敏度（8.09 nm /℃），良好的线性（99.93％），紧凑的尺寸，机械性能，高制造效率和良好的重复性以及良好的重复性和稳定性，因此可以可靠地用于实际点检测。（c）2018年光学学会

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来源
《Applied optics》 |2018年第5期|共6页
作者
Mao Yu; Zhang Yuxi; Xue Ruikai; Liu Yi; Cao Kunjian; Qu Shiliang;
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Harbin Inst Technol Weihai Dept Optoelect Sci Weihai 264209 Peoples R China;

Harbin Inst Technol Weihai Dept Optoelect Sci Weihai 264209 Peoples R China;

Harbin Inst Technol Weihai Dept Optoelect Sci Weihai 264209 Peoples R China;

Harbin Inst Technol Weihai Dept Optoelect Sci Weihai 264209 Peoples R China;

Harbin Inst Technol Weihai Dept Optoelect Sci Weihai 264209 Peoples R China;

Harbin Inst Technol Dept Phys Harbin 150001 Heilongjiang Peoples R China;

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Compact optical fiber temperature sensor with high sensitivity based on liquid-filled silica capillary tube

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