光电子快报(英文版), 2015, 11 (6): 466, Published Online: Oct. 12, 2017  

A temperature sensor based on switchable dual- wavelength fiber Bragg grating laser with a semiconductor saturable absorber mirror

Author Affiliations
1 School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China
2 School of Electronics & Information, Yangtze University, Jingzhou 434023, China
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.

LI Qi, HUANG Kai-qiang, CHEN Hai-yan. A temperature sensor based on switchable dual- wavelength fiber Bragg grating laser with a semiconductor saturable absorber mirror[J]. 光电子快报(英文版), 2015, 11(6): 466.

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