Title :
Instationarity of E-beam pump processes in shot-pulse-duration gas lasers of VUV-range
Author_Institution :
Efremov (D.V.) Sci. Res. Inst. of Electrophys. Apparatus, St. Petersburg, Russia
Abstract :
The results of analytical and numerical research of questions connected with instability of E-beam pump processes of active media in short-pulse-duration lasers of VUV-range on excimers of inert gases are reported. The determining influence on active medium parameters due to competition between gas ionization by fast electrons and recombination of ions and secondary electrons is shown. The instability processes of accumulation of electrical charge due to beam electron thermalization and charge flow by means of opposite currents should be taken into account in the subnanosecond range of pulse pump duration
Keywords :
X-ray lasers; current density; electron beam pumping; excimer lasers; VUV-range; active media; active medium; beam electrons; electron-beam pump processes; excimers; gas ionization; pulse pump duration; recombination; secondary electrons; shot-pulse-duration gas lasers; thermalization; Current density; Electron beams; Gas lasers; Gases; Ionization; Laser beams; Laser excitation; Optical pulses; Optimization methods; Pump lasers;
Conference_Titel :
High-Power Particle Beams, 1998. BEAMS '98. Proceedings of the 12th International Conference on
Conference_Location :
Haifa
Print_ISBN :
0-7803-4287-9
DOI :
10.1109/BEAMS.1998.816950
