Optical fiber sensor based on a radio frequency Mach-Zehnder interferometer

Tao Wei; Jie Huang; Xinwei Lan; Qun Han; Hai Xiao

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Optical fiber sensor based on a radio frequency Mach-Zehnder interferometer

机译：基于射频马赫曾德尔干涉仪的光纤传感器

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This Letter proposes an optical fiber radio frequency (RF) Mach-Zehnder interferometer (MZI) for sensing applications. An RF modulated laser source is injected into an optical fiber RF-MZI and collected by a photodiode. The interference pattern is observed in the RF domain by sweeping the frequency using a network analyzer. The proposed sensor has a linear response to applied temperature change. In addition, the sensitivity, observation frequency range, and the length of the sensing arm are discussed.

机译：该信函提出了一种用于传感应用的光纤射频（RF）马赫曾德尔干涉仪（MZI）。 RF调制激光源被注入到光纤RF-MZI中，并由光电二极管收集。通过使用网络分析仪扫描频率，可以在RF域中观察到干扰模式。提出的传感器对施加的温度变化具有线性响应。此外，还讨论了灵敏度，观察频率范围和传感臂的长度。

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《Optics Letters》 |2012年第4期|共3页
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Tao Wei; Jie Huang; Xinwei Lan; Qun Han; Hai Xiao;
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1. Optical fiber sensor based on a radio frequency Mach-Zehnder interferometer [J] . Tao Wei, Jie Huang, Xinwei Lan, Optics Letters . 2012,第4期

机译：基于射频马赫曾德尔干涉仪的光纤传感器
2. Optical fiber low-frequency vibration sensor based on Butterfly-Shape Mach-Zehnder Interferometer [J] . Zhao Yong, Xia Feng, Chen Mao-qing, Sensors and Actuators, A. Physical . 2018,第期

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3. Temperature-independent Optical Fiber Liquid Level Sensor Based on an In-fiber Mach-Zehnder Interferometer Formed by Cascaded Polarization-maintaining Long-period Fiber Gratings [J] . Sungwook Choi, Do Kyung Kim, Jihoon Kim, Sensors and materials . 2020,第2期

机译：基于级联偏振 - 保持长周期光纤格栅形成的温度无关的光纤液位传感器
4. 40-GHz Radio over Fiber Scheme based on Optical Frequency Multiplication with up to 1.4Gbps OFDM Wireless Signal Employing a Mach-Zehnder Modulator and No Optical Filtering [C] . Xiang Chen, Baojing Ni, Xiaxia Guo, 2011 Asia Communications and Photonics Conference : Technical Abstracts . 2011

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5. Optical fiber Fabry-Perot interferometer-based sensor instrumentation system for low magnetic field measurement. [D] . Oh, Ki Dong. 1997

机译：基于光纤法布里-珀罗干涉仪的传感器仪器系统，用于低磁场测量。
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7. Refractive-index-sensing optical comb based on photonic radio-frequency conversion with intracavity multi-mode interference fiber sensor [O] . Ryo Oe, Shuji Taue, Takeo Minamikawa, 2018

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8. Polarization effects in optical fiber current sensors based on Sagnac interferometers with 3(times)3 couplers. [R] . Rochford, K. B., Day, G. W., Forman, P. R. 1993

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Optical fiber sensor based on a radio frequency Mach-Zehnder interferometer

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