Li Deng, Jianqi Zhang, Hao Sun, Jinze Li, Tianhong Ma, Litong Li, Deng Hong. Optical Fiber Temperature and Humidity Sensor Based on Film Prepared by Electrospinning Nanofibers[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0906006
- Laser & Optoelectronics Progress
- Vol. 58, Issue 9, 0906006 (2021)
Fig. 1. Structure of optical fiber temperature and humidity sensor
Fig. 2. Cone area image under optical microscope
Fig. 3. Schematic of electrospinning
Fig. 4. Optical fiber morphology after electrospinning. (a) 100×； (b) 500×； (c) 1000×； (d) 50000×
Fig. 5. Schematic of sensor temperature and humidity test device
Fig. 6. Relationship between variation of reflectance spectrum and relative humidity. (a) Relative humidity increased; (b) relative humidity decreased
Fig. 7. Fitting relationship between power and relative humidity
Fig. 8. Relationship between reflectance spectrum and temperature. (a) Temperature increased; (b) temperature decreased
Fig. 9. Fitting relationship between center wavelength and temperature
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Table 1. Performance indicators of several optical fiber relative humidity sensors
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