1 November 1993 Fiber Bragg grating laser sensor
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An erbium-doped fiber laser utilizing a broadband mirror as the end reflector and an intracore Bragg grating as the output coupler is designed and developed. This arrangement is used as a laser sensor to improve interrogation efficiency of intracore Bragg gratings over broadband sensor interrogation methods. Wavelength tuning of the fiber laser has been achieved by varying the temperature and strain on the Bragg grating, demonstrating an improved SNR with respect to the previous techniques that use broadband interrogation of the Bragg grating sensor.
Andreas Othonos, Andreas Othonos, A. Tino Alavie, A. Tino Alavie, Serge Melle, Serge Melle, Shawn E. Karr, Shawn E. Karr, Raymond M. Measures, Raymond M. Measures, } "Fiber Bragg grating laser sensor," Optical Engineering 32(11), (1 November 1993). https://doi.org/10.1117/12.147704 . Submission:

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