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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >A planar lightwave circuit based micro interrogator and its applications to the interrogation of multiplexed optical fiber Bragg grating sensors
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A planar lightwave circuit based micro interrogator and its applications to the interrogation of multiplexed optical fiber Bragg grating sensors

机译:基于平面光波电路的微型询问器及其在多路复用光纤布拉格光栅传感器询问中的应用

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摘要

Optical fiber Bragg grating sensors have found potential applications in many fields, but the lack of a simple, field deployable and low cost interrogation system is hindering their deployment. To tackle this, we have developed a micro optical sensor interrogator using a monolithically integrated planar lightwave circuit based echelle diffractive grating demultiplexer and a detector array. The design and development of this device are presented in this paper. It has been found that the measurement range of this micro interrogator is more than 25 nm with better than 1 pm resolution. This paper also reports the applications of the micro interrogator developed to the monitoring of commercial optical fiber Bragg grating (FBG) temperature sensors and mechanical sensors. The results obtained are very satisfactory and in some cases, they are better than those obtained using commercial bench top lab equipment.
机译:光纤布拉格光栅传感器已经在许多领域中找到了潜在的应用,但是缺乏一种简单的,可现场部署的低成本查询系统阻碍了它们的部署。为了解决这个问题,我们开发了一种微光学传感器询问器,该询问器使用基于echelle衍射光栅多路分解器和检测器阵列的单片集成平面光波电路。本文介绍了该设备的设计和开发。已经发现,该微型询问器的测量范围大于25 nm,分辨率优于1 pm。本文还报告了开发的微型询问器在监视商用光纤布拉格光栅(FBG)温度传感器和机械传感器中的应用。获得的结果非常令人满意,在某些情况下,它们比使用商用台式实验室设备获得的结果更好。

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