ZHANG LUO, WEI HE, MING-LI DONG, et al. Temperature Sensor Based on Chirped Fiber Bragg Grating Laser. [J]. Chinese journal of luminescence, 2021, 42(12): 1928-1935.
DOI:
ZHANG LUO, WEI HE, MING-LI DONG, et al. Temperature Sensor Based on Chirped Fiber Bragg Grating Laser. [J]. Chinese journal of luminescence, 2021, 42(12): 1928-1935. DOI: 10.37188/CJL.20210304.
Temperature Sensor Based on Chirped Fiber Bragg Grating Laser增强出版
An annular cavity erbium-doped fiber laser is put forward and designed
and used in the temperature measurement. Using chirped fiber Bragg grating for optical filtering and unpumped erbium-doped fiber as saturable absorber to stabilize the frequency
the single-wavelength laser output of annular cavity erbium-doped fiber laser is realized. Through the temperature experiment
the single-wavelength laser output is realized for temperature sensing measurement. When the output power of the pump source is 219 mW
the single-wavelength laser output of 1 555.25 nm is realized
3 dB linewidth is 0.06 nm
and the signal-to-noise ratio(SNR) is 47.05 dB. In the experiment
the stability of the single-wavelength laser of 1 555.25 nm is tested
and the output power change is 0.59 dB during 10 min. The temperature sensitivity is 12.59 pm/℃ and the linearity is 0.998 6. The temperature sensitivity of the cooling process is 12.58 pm/℃
and the linearity is 0.998 3. The laser stability was tested at different temperatures. During 10 min
the output powers of the laser at 50 ℃ and 300 ℃ are 0.27 dB and 0.09 dB
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Related Author
Zhang LUO
Wei HE
Ming-li DONG
Wen ZHANG
WANG Shuaikun
ZHONG Li
LIN Nan
LIU Suping
Related Institution
Beijing laboratory of optical fiber sensing and systems, Beijing Information Science and Technology University
Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University
College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences
National Engineering Research Center for Optoelectronic Devices, Institute of Semiconductors, Chinese Academy of Sciences