Design and development of a low power, low cost, portable fiber Bragg grating (FBG) sensor interrogation system
2011
In this paper, the design and development of a low power, low cost and portable FBG Interrogation System is presented.
The FBG interrogator consists of a spectral analyzer module, a photo detection module, and an electronic processing
module. By using volume holographic phase grating as the continuous dispersion spectral element, our interrogator can
achieve a maximum scanning frequency as high as 5 KHz for a single channel with a total power requirement of 25 W.
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