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
respectively.
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references
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Output Characteristics of SESAM Mode-locked All-polarization-maintaining(PM) Picosecond Fiber Laser
Related Author
Zhang LUO
Wei HE
Ming-li DONG
Wen ZHANG
GUO Wenya
SUN Weiwei
WU Shengbao
FENG Ting
Related Institution
Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University
Beijing laboratory of optical fiber sensing and systems, Beijing Information Science and Technology University
School of Electronic and Information Engineering, Beijing Jiaotong University
Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology
School of Control Engineering, Northeastern University at Qinhuangdao