Sonoluminescence as the PeTa Radiation, Part Three ()
ABSTRACT
This paper is the third in a series published in this journal during 2017-2018. These three papers present various stages in the development of the PeTa model for phenomena of the same physical nature: cavitational luminescence (CL), multi-bubble sonoluminescence (MBSL), single-bubble sonoluminescence (SBSL), and laser-induced bubble luminescence (LIBL). The basis of this model is the PeTa (Perel’man-Tatartchenko) effect—a nonequilibrium characteristic radiation under first-order phase transitions, for instance, vapour condensation. The third iteration of this model “Vapour bubble luminescence” (VBL) is presented in this paper. The essence of this model is as follows: with a local decrease of pressure or an increase of temperature in a tiny volume of the liquid, one or several bubbles filled with vapour will appear. Subsequently, a very rapid increase in pressure or a decrease in temperature of the bubble leads to super-saturation of the vapour inside the bubble, followed by its instantaneous condensation with the emission of condensation energy (this is the PeTa effect). A sharp decrease in pressure causes the collapse of the bubble accompanied by a shock wave in the liquid. VBL model is conveniently represented on the solid-liquid-vapour phase diagram. A better understanding of the physical nature of the phenomena under consideration could help to find their useful applications. To develop this idea further, we propose a design of a cavity-free pulsed laser on the basis of CL/MBSL/SBSL. An analysis of LIBL in cryogenic liquids is also given in this paper.
KEYWORDS
Cavitational Luminescence (CL),
Sonoluminescence (SL),
Multi-Bubble Sonoluminescence (MBSL),
Single-Bubble Sonoluminescence (SBSL),
Laser-Induced Bubble Luminescence (LIBL),
LIBL in Cryogenic Liquids,
Vapour Bubble Luminescence (VBL),
PeTa (Perel’man-Tatartchenko) Effect,
First-Order Phase Transitions,
Evaporation,
Condensation,
Crystallization,
Cavity-Free Pulsed Laser
Share and Cite:
Tatartchenko, V. (2018) Sonoluminescence as the PeTa Radiation, Part Three.
Optics and Photonics Journal,
8, 187-200. doi:
10.4236/opj.2018.86017.