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Self-referencing optical intensity sensor based on radio-frequency spectrum interrogation

机译:基于射频频谱查询的自参考光强传感器

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摘要

This paper proposes an optical sensor system that is based on non-interfering optical power superposition in Mach-Zehnder configuration. The sensor generates radio-frequency (RF) spectrum that responds to the imbalance of optical power between the branches of the Mach-Zehnder structure induced by the sensing measurand. The sensing signal provides self-referencing intensity-based interrogation without requiring typical expensive optical frequency apparatus and complicated signal processing technique. Its reliability is demonstrated in a load sensing application.
机译:本文提出了一种基于Mach-Zehnder配置的无干扰光功率叠加的光学传感器系统。传感器产生射频(RF)光谱,该光谱响应由传感被测物引起的Mach-Zehnder结构分支之间的光功率不平衡。感测信号提供基于自参考强度的询问,而无需典型的昂贵光学频率设备和复杂的信号处理技术。在负载感应应用中证明了其可靠性。

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