Hairuo Guo, Kun Liu, Junfeng Jiang, Tianhua Xu, Shuang Wang, Zhenshi Sun, Zichun Zhou, Kang Xue, Yuelang Huang, Tiegen Liu. Optical Fiber High and Low Temperature Mechanical and Thermal Multi-Parameter Sensing System Based on Tunable Laser[J]. Chinese Journal of Lasers, 2021, 48(19): 1906003
- Chinese Journal of Lasers
- Vol. 48, Issue 19, 1906003 (2021)
Fig. 1. Thermal expansion coefficient and thermo-optical coefficient of materials in cryogenic environment versus temperature. (a) Thermal expansion coefficient of Spectrosil 1000 quartz; (b) thermo-optical coefficient of quartz
Fig. 2. Structural diagram of optical fiber temperature/strain demodulation system
Fig. 3. Schematic of optical fiber temperature sensor
Fig. 4. Schematic of optical fiber strain sensor
Fig. 5. High temperature and cryogenic experimental platform for optical fiber temperature/strain sensing system
Fig. 6. Central wavelength change of temperature sensor within -252.75--200.94 ℃
Fig. 7. Strain value change demodulated by strain sensor after high temperature and cryogenic test
Fig. 8. Measured value stability of temperature sensor at each temperature node
Fig. 9. Architecture diagram of optical fiber mechanical and thermal multiparameter sensing instrument
Fig. 10. Picture of optical fiber mechanical and thermal multiparameter sensing instrument
Fig. 11. Interface design of optical fiber mechanical and thermal multiparameter sensing instrument
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20