Nonlinear propagation of fs laser pulses in liquids and evolution of supercontinuum generation.
Nonlinear propagation of fs laser pulses in liquids and the dynamic processes of filamentation such as self-focusing, intensity clamping, and evolution of white light production have been analyzed by using one- and two-photon fluorescence. The energy losses of laser pulses caused by multiphoton absorption and conical emission have been measured respectively by z-scan technique. Numerical simulations of fs laser propagation in water have been made to explain the evolution of white light production as well as the small-scale filaments in liquids we have observed by a nonlinear fluorescence technique.
Liu
Jiansheng
J
Schroeder
H
H
Chin
S L
SL
Li
Ruxin
R
Xu
Zhizhan
Z