5 January 1994 Supercontinuum generation in CO2 gas in the presence of ionization
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Abstract
Experiments on supercontinuum generation in high pressure CO2 (1 - 40 atm) by 1 ps pulses at 593 nm are described. While changing the gas pressure and the laser power we observed self-focusing and optical breakdown in the gas. Their influence on the supercontinuum spectral width evolution is experimentally demonstrated and discussed. Threshold powers for optical breakdown and supercontinuum generation have been measured under different focusing conditions. The relation between these phenomena is analyzed.
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Fedor A. Ilkov, Fedor A. Ilkov, Veronique Francois, Veronique Francois, See-Leang Chin, See-Leang Chin, } "Supercontinuum generation in CO2 gas in the presence of ionization", Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); doi: 10.1117/12.165605; https://doi.org/10.1117/12.165605
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