Peng CHEN, Zhi ZHAO, Dong-dong ZHAO, Yang-yang HAN, Rong-hua LIANG. Detection Method of Dissolved Oxygen Concentration in Water Based on Single Source Frequency Domain Fluorescence Lifetime[J]. Acta Photonica Sinica, 2020, 49(3): 0330002
- Acta Photonica Sinica
- Vol. 49, Issue 3, 0330002 (2020)
Fig. 1. Design of detecting dissolved oxygen device based on frequency-domain fluorescence lifetime
Fig. 2. Structure of optical path
Fig. 3. Flowchart for detecting dissolved oxygen by the means of single source frequency-domain fluorescence lifetime
Fig. 4. Detection principle of single light source phase modulation
Fig. 5. Fabrication of artificial fingers and fingerprints film
Fig. 6. Calibration chart of the proposed method
Fig. 7. Fluorescence lifetime trend with temperature increase
Fig. 8. Comparison chart of instrument data
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Table 1. Results of dissolved oxygen concentration
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Table 2. Error analysis
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Table 3. Segmentation analysis of experimental results
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Table 4. Analysis of stability and effectiveness
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Table 5. Analysis of stability and effectiveness
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