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Updated: Aug 18, 2026

Luminescence Lifetime Imaging of O2 with a Frequency-Domain-Based Camera System
Published on: December 16, 2019
[The influence of dissolved oxygen on sonoluminescence]
Abstract:
Abstract Ultrasound at frequency of 1.1 MHz was used to study the sonoluminescence(SL) in air-saturated water at temperature ranging from 283 to 313 K. It was found that the logarithm of the detected SL intensity increases linearly with the dissolved oxygen (DO) concentration. The waters with five kinds of anions in different concentration (mg x L(-1)): Cl(-) (5-25), NO3(-) (0.2-1.8), F- (0.1-2.7), HCO3(-) (8-15), SO4(2-) (0.4-40) were used to simulate natural environmental chemistry background. The experimental results show that the anions in the simulated water have no influence on the SL intensity.
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