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Proceedings Paper

Light pulse and spectra of conical bubbles sonoluminescence in glycol and 1,2-propanediol
Author(s): Shou Jie He; Qi Dai Chen; Long Wang
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Paper Abstract

A sonoluminescence apparatus based on the original design of T.Gleighton's conical bubble U-tube is built, in which the gas volume in the tube is increased in order to get intense light. Glycol and 1,2-propanediol are used as the liquid media and argon as the gas media. Moreover using photomultiplier and optical spectrometer, the light pulses and the emitted spectra of the conical bubbles have been measured. The results show that the width of the light pulses is of the order of microseconds, which is wider than that of acoustical sonoluminescence's. The spectra for glycol and 1,2-propanediol are similar. Each one is a continuum accompanied three peak bands: one of the peaks is the resonance line of Na, occurs at 590nm;the other two bands lie on two sides of the resonance line. They are at 555nm, blue satellite for sodium, and at 620nm, red satellite. The spectra for glycol using xenon and nitrogen as gas media have also been measured, which are similar to that using argon. When we change the ratio of argon/air in the bubbles in glycol, we find that the light intensity of spectra increase with the increasing of the ratio. So we conclude that the argon could enhance the luminescence of conical bubbles, which is identical to the previous experiments about single-bubble sonoluminescence (SBSL) and mutibubble sonoluminescence (MBSL).

Paper Details

Date Published: 28 January 2005
PDF: 8 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.575869
Show Author Affiliations
Shou Jie He, Hebei Univ. (China)
Institute of Physics, CAS (China)
Qi Dai Chen, Institute of Physics, CAS (China)
Long Wang, Institute of Physics, CAS (China)

Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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