Liquid level sensor based on fiber ring laser with single-mode-offset coreless-single-mode fiber structure
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- 作者：Zixiao Wang ; 14111011@bjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Zhongwei Tan ; Rui Xing ; Linjun Liang ; Yanhui Qi ; Shuisheng Jian
- 关键词：Fiber laser sensor ; Offset fusion ; Multimode interference ; Liquid level
- 刊名：Optics & Laser Technology
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：84
- 期：Complete
- 页码：59-63
- 全文大小：1703 K
文摘
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Proposed a liquid level sensor with core-offset multimode interference structure.
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The proposed laser sensing system has 30 dB optical signal-to-noise ratio and 0.15 nm 3-dB bandwidth.
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The sensor has a highest sensitivity of 86.27 pm/nm in liquid with refractive index of 1.393.