A comparison of spectra of SBSL produced by standard method and by JB mechanism

TL;DR

This paper compares the spectral properties of single bubble sonoluminescence produced by the traditional method and a newly discovered JB mechanism, revealing whether the spectra are similar across different production methods.

Contribution

It provides the first detailed spectral comparison between SBSL produced by standard and JB mechanisms, extending understanding of their similarities and differences.

Findings

Spectral properties are similar between standard and JB SBSL within experimental resolution.

JB mechanism extends the parameter space for SBSL observation.

No significant spectral differences were found between the two mechanisms.

Abstract

Recently new mechanism to create single bubble sonoluminescence was discovered. Main features of new mechanism is jet and bubble correlated with this jet which undergoes sonoluminescence. This mechanism will be referenced here as JB mechanism to produce Single Bubble Sonoluminescence (SBSL). JB mechanism extends parameter space where SBSL can be observed. When full theoretical understanding is missing, natural question is if properties of SBSL are the same if SBSL is produced by different mechanisms. Partially this question was already addressed in original paper. Conclusion was that within resolution of the apparatus there are no significant differences between SBSL produced by standard or JB mechanism (in terms of amplitude of signal, duration of flash). Aim of this paper is to compare spectra produced by SBSL created by standard method\cite{gaitan} and by JB mechanism.