High-intensity coherent supercontinuum radiation from optical channeling

An intense VUV-IR coherent light source based on the both spatial and temporal phase modulation in rare gas media induced by tera-watt laser field is presented. A spectra intensity of 1 GW/nm has been obtained from the UV to IR regions. An up-conversion broadband optical parametric amplifier based on the four-wave-mixing in a non- birefringence nonlinear materials has also been demonstrated for time gated spectra measurements with the ultra-broadband light source.