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Enhancement of the sensitivity of a temperature sensor based on fiber Bragg gratings via weak value amplification

机译:通过弱值放大增强基于光纤布拉格光栅的温度传感器的灵敏度

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摘要

We present a proof-of-concept experiment aimed at increasing the sensitivity of Fiber-Bragg-gratings temperature sensors by making use of a weak-value-amplification scheme. The technique requires only linear optics elements for its implementation and appears as a promising method for increasing the sensitivity than state-of the-art sensors can currently provide. The device implemented here is able to generate a shift of the centroid of the spectrum of a pulse of similar to 0.035 nm/degrees C, a nearly fourfold increase in sensitivity over the same fiber-Bragg-grating system interrogated using standard methods. (C) 2015 Optical Society of America
机译:我们提出了一项概念验证实验,旨在通过使用弱值放大方案来提高光纤布拉格光栅温度传感器的灵敏度。该技术仅需使用线性光学元件即可实现,并且似乎是一种比目前最先进的传感器可提高灵敏度的有前途的方法。此处实现的设备能够产生与0.035 nm /℃相似的脉冲频谱质心,与使用标准方法研究的同一光纤布拉格光栅系统相比,其灵敏度提高了近四倍。 (C)2015年美国眼镜学会

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