Observation of a Cerenkov-type radiation during the propagation of picosecond light pulses in sodium vapor
Vaichaffis V. I. , Ignatavichyus M. V. , Kudryashov V. A. , Pimenov Yu. N.
A conical emission which is excited in sodium vapor by laser light tuned over the short-wave region of the 35-3P3/2 transition (Λ, = 589-576 nm) has been studied. The experimental results can be used to interpret the observed scattering in a model of Cerenkov radiation.