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Interrogating fiber Bragg grating sensors by thermally scanning a demultiplexer based on arrayed waveguide gratings

机译:通过热扫描基于阵列波导光栅的解复用器来询问光纤布拉格光栅传感器

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摘要

We evaluate a wavelength interrogation technique based on an arrayed waveguide grating (AWG). Initial results show that the Bragg wavelength of fiber Bragg grating (FBG) sensors can be precisely interrogated by thermally scanning an AWG-based demultiplexer. The technique potentially offers a low-cost, compact, and high-performance solution for the interrogation of FBG distributed sensors and multisensor arrays.
机译:我们评估基于阵列波导光栅(AWG)的波长询问技术。初步结果表明,可以通过热扫描基于AWG的解复用器来精确询问光纤布拉格光栅(FBG)传感器的布拉格波长。该技术潜在地为询问FBG分布式传感器和多传感器阵列提供了一种低成本,紧凑且高性能的解决方案。

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