Bubble evolution and radiation mechanism for laser-induced collapsing bubble in water

Authors
Byun, KTKwak, HYKarng, SW
Issue Date
2004-09
Publisher
JAPAN SOC APPLIED PHYSICS
Citation
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, v.43, no.9A, pp.6364 - 6370
Abstract
Bubble behavior and the radiation mechanism from a laser-induced collapsing bubble were investigated theoretically using the Keller-Miksis equation for the bubble wall motion and analytical solutions for the vapor inside the bubble. The calculated time-dependent bubble radius is in good agreement with observed ones. Also, the calculated half width and the total emission of the luminescence pulse from the vapor bubble at the collapse point agreed well with the observed value of 8 nanoseconds and 2.3 mW, respectively. The inert gas content inside the laser-induced vapor bubble was too small to produce light emission due to bremsstrahlung.
Keywords
SONOLUMINESCING GAS BUBBLE; INDUCED CAVITATION; INDUCED BREAKDOWN; LIQUIDS; LUMINESCENCE; DYNAMICS; MODEL; GENERATION; EMISSION; PULSE; SONOLUMINESCING GAS BUBBLE; INDUCED CAVITATION; INDUCED BREAKDOWN; LIQUIDS; LUMINESCENCE; DYNAMICS; MODEL; GENERATION; EMISSION; PULSE; bubble collapse; laser-induced cavitation; radiation mechanism; surface emission; vapor bubble
ISSN
0021-4922
URI
https://pubs.kist.re.kr/handle/201004/137302
DOI
10.1143/JJAP.43.6364
Appears in Collections:
KIST Article > 2004
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