Ning WANG, Wen-hao TIAN, Hao-sheng ZHANG, Xiao-dan YU, Xiao-lei YIN, Yong-gang DU. Optical Fiber Fabry-Perot Humidity Sensor by Graphene Quantum Dots[J]. Acta Photonica Sinica, 2020, 49(9): 0906003
- Acta Photonica Sinica
- Vol. 49, Issue 9, 0906003 (2020)
Fig. 1. Optical fiber Fabry-Perot cavity sensor structure
Fig. 2. Relative humidity measurement experiment system
Fig. 3. The response spectrum with different relative humidity
Fig. 4. Peak wavelength shift with different relative humidity
Fig. 5. Temperature response experiments results
Fig. 6. The spectrum dynamic response at 43%RH
Fig. 7. Response time and recovery time at 43%RH
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Table 1. Comparison of other fiber optic humidity sensors
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