We demonstrate from a generalized Lorenz–Mie theory that ultrashort pulses can induce superluminal excitation in microdroplets. A Čerenkov-like effect can thus be expected for sufficiently intense ultrashort pulses.
© 2001 Optical Society of America
(320.2250) Ultrafast optics : Femtosecond phenomena
M. Brunel, L. Mess, G. Gouesbet, and G. Gréhan, "Čerenkov-based radiation from superluminal excitation in microdroplets by ultrashort pulses," Opt. Lett. 26, 1621-1623 (2001)