Abstract
In several recent publications,1–4 we discussed a mechanism for generating ultrashort optoacoustic pulses and ultrahigh (gigabar) initially cold transient shocks by using short tuned laser irradiation on photostrictive materials. A key feature that results in the ultrashort pulse width of the optoacoustic pulse and the cold nature of the shock is the fact that the expansion is completely cold as opposed to thermal expansion that plays a central role in current techniques.
© 1990 Optical Society of America
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