Yutong ZHANG, Yi JIANG, Yang CUI, Xinxing FENG. Research on the Micro Optical Fiber Fabry-Perot Ultra-low Temperature Pressure Sensor[J]. Acta Photonica Sinica, 2022, 51(5): 0551315
- Acta Photonica Sinica
- Vol. 51, Issue 5, 0551315 (2022)
Fig. 1. The structure of the sensor
Fig. 2. The reflection spectrum of the sensor
Fig. 3. The test system of pressure response
Fig. 4. Pressure response of the sensor at room temperature
Fig. 5. Pressure response of the sensor at -196℃
Fig. 6. The change of the cavity length from room temperature to -196℃
Fig. 7. The relative strain of fused silica
Fig. 8. The cavity length at room temperature and atmospheric pressure
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Table 1. LTEC corresponding to each temperature
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