Ling-mei NIE, Tao ZHA, Bin-biao XIA, Kai ZHANG, Zhi-qiang GUAN, You-quan ZHAO, Da YUAN, Xuan CAO, Yan LIU. Development of a Spectral Measurement System for the Determination of the Fluorescence Efficiency of Dissolved Oxygen Membrane[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3486
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 11, 3486 (2021)
Fig. 1. Process of fluorescence generation and quenching
Fig. 2. Device of fluorescence efficiency detection
Fig. 3. Custom fiber
Fig. 4. Light source spectrum
Fig. 5. The relationship between the number of rotation steps and the excitation wavelength
Fig. 6. Fluorescence spectra at different excitation wavelengths
Fig. 7. (a) Single wavelength excitation spectrum; (b) Single wavelength fluorescence spectrum
Fig. 8. Relationship between excitation light intensity and fluorescence light intensity
Fig. 9. Dissolved oxygen fluorescent film
Fig. 10. Oxygen sensitive film fluorescence efficiency spectrum
Fig. 11. Comparison of fluorescence efficiency of No.1—3 oxygen sensitive film
Fig. 12. Comparison of efficiency of No.3—5 oxygen sensitive membrane
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Table 1. Fluorescence efficiency of similar oxygen-sensitive membranes under different excitation wavelengths
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Table 2. Fluorescence efficiency of different oxygen-sensitive membranes under different excitation wavelengths
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