Only reaches ~1eV, but they claim 3 MBar pressure. Behind a paywall unfortunately.
http://prl.aps.org/abstract/PRL/v110/i15/e154301
cavitation collapse
Re: cavitation collapse
Looks like the author finally got his PhD and his dissertation can be downloaded here
http://etd.library.vanderbilt.edu/avail ... l_2013.pdf
http://etd.library.vanderbilt.edu/avail ... l_2013.pdf