Jiasheng Ni, Ying Shang, Chen Wang, Wenan Zhao, Chang Li, Bing Cao, Sheng Huang, Chang Wang, Gangding Peng. Non-intrusive flow measurement based on a distributed feedback fiber laser[J]. Chinese Optics Letters, 2020, 18(2): 021204
- Chinese Optics Letters
- Vol. 18, Issue 2, 021204 (2020)
Fig. 1. Structural diagram of the flow sensor based on the DFB-FL.
Fig. 2. System diagram of flow measurement based on the DFB-FL.
Fig. 3. Frequency response curve of the flow sensor.
Fig. 4. Linear response curve of the flow sensor.
Fig. 5. Flow experiment setup: (a) physical device diagram, (b) structural schematic diagram.
Fig. 6. Time domain demodulation signal with different flows.
Fig. 7. Frequency domain demodulation signal with different flows.
Fig. 8. Relation curves between flow and energy.
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Table 1. Experimental Data of Flow Measurement
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