Fiber laser FBG sensor system by using a spectrometer demodulation

@inproceedings{Kim2011FiberLF,
  title={Fiber laser FBG sensor system by using a spectrometer demodulation},
  author={Hyunjin Kim and Minho Song},
  booktitle={Optics + Optoelectronics},
  year={2011}
}
We suggest a spectrometer demodulation method of FBG sensors for the possible uses in wind power generator's blade monitoring. High signal-to-noise ratio outputs and linear demodulation were obtained by combining a fiber laser light source and a spectrometer which used a holographic volume grating and a 512-pixel PD array. Preliminary experimental results are presented to show the feasibility of the suggested FBG demodulation system. 

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