Abstract
A temperature sensor based on a switchable dual-wavelength fiber Bragg grating (FBG) laser with a semiconductor saturable absorber mirror (SESAM) is presented and demonstrated experimentally. The repetition rate of Q-switched pulses is ~17 kHz. The results demonstrate that the measured temperature has good linearity to the wavelength spacing of the two lasing wavelengths and has a temperature sensitivity of 21 pm/ºC covering a range of -10—22 °C. The experimental results prove the feasibility of the proposed temperature sensor.
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This work has been supported by the Foundation of Hubei Provincial Department of Education of China (No.2012258).
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Li, Q., Huang, Kq. & Chen, Hy. A temperature sensor based on switchable dual-wavelength fiber Bragg grating laser with a semiconductor saturable absorber mirror. Optoelectron. Lett. 11, 466–468 (2015). https://doi.org/10.1007/s11801-015-5169-9
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DOI: https://doi.org/10.1007/s11801-015-5169-9