A novel sensor based on a dual‐wavelength multilongitudinal modes fiber ring laser
2013
A ring laser based on a transmission-type fiber bragg grating (FBG)-Fabry–Perot filter sensor probe is proposed, and ignoring the effect of multilongitudinal modes using a special demodulation method, the new scheme is suitable for long distance sensing. Such a sensing system has been demonstrated in the experiment, and the experimental result shows the minimal temperature sensitivity is about 1°C. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:15–16, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27254
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