Energy and spectral enhancement of femtosecond supercontinuum in a noble gas using a weak seed
Abbreviated Journal Title
WHITE-LIGHT CONTINUUM; LASER-PULSES; GENERATION; SAPPHIRE; FIBER; Optics
We experimentally demonstrate that the use of a weak seed pulse of energy less than 0.4% of the pump results in a spectral energy enhancement that spans over 2 octaves and a total energy enhancement of more than 3 times for supercontinua generated by millijoule level femtosecond pulses in Krypton gas. Strong four-wave mixing of the pump-seed pulse interacting in the gas is observed. The spectral irradiance generated from the seeding process is sufficiently high to use white-light continuum as an alternative to conventional tunable sources of radiation for applications such as nonlinear optical spectroscopy. (C)2011 Optical Society of America
"Energy and spectral enhancement of femtosecond supercontinuum in a noble gas using a weak seed" (2011). Faculty Bibliography 2010s. 1283.