Luminescence Characteristics of Laser-Induced Bubbles in Water

Baghdassarian, Ohan; Tabbert, Bernd; Williams, Gary A.

doi:10.1103/physrevlett.83.2437

Cited by 68 publications

(88 citation statements)

References 18 publications

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“…This contradicts recent systematic studies of single-bubble cavitation luminescence Baghdassarian et al, 1999Baghdassarian et al, , 2000Baghdassarian et al, , 2001Ohl, 2000), in which the bubbles are created with strong, focused laser pulses, and in which, above a certain collapse asymmetry, light emission ceases altogether. It is also in contradiction with the observation that single sonoluminescing bubbles, which collapse under controlled conditions with high symmetry, emit light of much higher intensity than MBSL bubbles of comparable size driven at comparable levels, with the light of a single bubble easily visible to the naked eye (Gaitan et al, 1992).…”

Section: A Theories Of Mbsl: Discharge Vs Hot Spot Theoriescontrasting

confidence: 47%

“…Following the work of Ohl et al (1998;Ohl, 2000) on laser-induced cavitating bubbles, which also emit light (''singlecavitation bubble luminescence,'' SCBL), Baghdassarian et al (1999Baghdassarian et al ( , 2001 found that highly shape-distorted bubbles are still able to give off considerable luminescence. In such bubbles a spherical shock wave cannot exist.…”

Section: Inviscid Modelsmentioning

confidence: 99%

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Single-bubble sonoluminescence

2002

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Single-bubble sonoluminescence occurs when an acoustically trapped and periodically driven gas bubble collapses so strongly that the energy focusing at collapse leads to light emission. Detailed experiments have demonstrated the unique properties of this system: the spectrum of the emitted light tends to peak in the ultraviolet and depends strongly on the type of gas dissolved in the liquid; small amounts of trace noble gases or other impurities can dramatically change the amount of light emission, which is also affected by small changes in other operating parameters (mainly forcing pressure, dissolved gas concentration, and liquid temperature). This article reviews experimental and theoretical efforts to understand this phenomenon. The currently available information favors a description of sonoluminescence caused by adiabatic heating of the bubble at collapse, leading to partial ionization of the gas inside the bubble and to thermal emission such as bremsstrahlung. After a brief historical review, the authors survey the major areas of research: Section II describes the classical theory of bubble dynamics, as developed by Rayleigh, Plesset, Prosperetti, and others, while Sec. III describes research on the gas dynamics inside the bubble. Shock waves inside the bubble do not seem to play a prominent role in the process. Section IV discusses the hydrodynamic and chemical stability of the bubble. Stable single-bubble sonoluminescence requires that the bubble be shape stable and diffusively stable, and, together with an energy focusing condition, this fixes the parameter space where light emission occurs. Section V describes experiments and models addressing the origin of the light emission. The final section presents an overview of what is known, and outlines some directions for future research. CONTENTS

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Section: A Theories Of Mbsl: Discharge Vs Hot Spot Theoriescontrasting

confidence: 47%

Section: Inviscid Modelsmentioning

confidence: 99%

Single-bubble sonoluminescence

2002

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“…The laser-induced bubbles consist mainly of vapor, and their lifetime is estimated only a few rebounds. As compared to acoustically driven bubbles in SBSL they have larger size (about 1 mm at maximum and 10 lm in collapse) and produce light flash duration of a few nanoseconds [6,7]. As shown experimentally [8], the number of emitted photons from cavitation luminescence is much greater than it was observed in sonoluminescence.…”

Section: Introductionmentioning

confidence: 86%

Dynamics of laser-induced cavitation bubbles

Akhatov

Vakhitova

Topolnikov

et al. 2002

Experimental Thermal and Fluid Science

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“…There have been several observations of the production of light from laser-induced cavitation bubbles collapsing in water [79][80][81][82]. An estimate of the interior bubble temperature at the moment of light emission can be obtained by fitting the spectra to a blackbody form, and in general this yields results of about 8000 K. An extension of these studies to investigate the effect of viscoelastic properties of the liquid surrounding the bubble on the characteristics of the luminescence is highly desirable for a better understanding of the cavitation phenomenon in non-Newtonian fluids and associated damage to nearby boundaries.…”

Section: Outlook and Challengesmentioning

confidence: 99%

Cavitation bubble dynamics in non‐Newtonian fluids

Brujan

2008

Polymer Engineering & Sci

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Cavitation phenomena play important roles in many areas of science and engineering. The most interesting effect of the non‐Newtonian properties of the liquid is the reduction of cavitation damage and noise. This article reviews experimental and theoretical efforts to understand such phenomena. Two major areas of research are described, namely the dynamics of cavitation bubbles oscillating in a liquid of infinite extent, and the behavior of bubbles collapsing near rigid walls. POLYM. ENG. SCI., 2009. © 2008 Society of Plastics Engineers

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Luminescence Characteristics of Laser-Induced Bubbles in Water

Cited by 68 publications

References 18 publications

Single-bubble sonoluminescence

Single-bubble sonoluminescence

Dynamics of laser-induced cavitation bubbles

Cavitation bubble dynamics in non‐Newtonian fluids

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