Ultimate parameters of high-power ultrashort pulses in CO2-gas-discharge amplifier

E. V. Platonova; Vladimir D. Taranukhin; Sergey Yu. Ten

doi:10.1117/12.60664

10 June 1992 Ultimate parameters of high-power ultrashort pulses in CO₂-gas-discharge amplifier

E. V. Platonova, Vladimir D. Taranukhin, Sergey Yu. Ten

Proceedings Volume 1800, Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources; (1992) https://doi.org/10.1117/12.60664
Event: Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources, 1991, St. Petersburg, Russian Federation

Abstract

Amplification of high-power ultrashort pulses in gas-discharge amplifiers is investigated theoretically. The most essential features of amplification in this case are connected with an electron density wave (EDW) generated by laser pulse in gain medium due to the avalanche ionization. Traveling with amplified pulse, EDW results in the pulse amplitude and phase modulation. Also, it determines the ultimate pulse parameters (energy, peak intensity, duration) and features of pulse evolution in long amplifier. The laser operation with a variety of CO₂ multi-isotope mixtures is investigated also. Such operation enables amplification of laser pulses with duration down to 100 fs. Moreover, in a particular spectral domain, the picosecond pulse amplification at reduced gas pressure becomes possible.

Citation Download Citation

E. V. Platonova, Vladimir D. Taranukhin, and Sergey Yu. Ten "Ultimate parameters of high-power ultrashort pulses in CO₂-gas-discharge amplifier", Proc. SPIE 1800, Superintense Laser Fields: Generation, Interaction with Matter, and X-Ray Sources, (10 June 1992); https://doi.org/10.1117/12.60664

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