Author(s): Hangxun Xu and Kenneth S. Suslick
Single-bubble sonoluminescence (SBSL) spectra in H2O show featureless continuum emission. From an acoustically driven, moving bubble in phosphoric acid (H3PO4), we observe very strong molecular emission from excited OH radicals (∼310 nm), which can be used as a spectroscopic thermometer by fitting ...
[Phys. Rev. Lett. 104, 244301] Published Wed Jun 16, 2010
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