Effect of pre-ionization border on development of inhomogeneities in electrical discharge pumped XeCl laser

Yu. Bychkov; S. Gortchakov; S. A. Yampolskaya; Arkadi G. Yastremsky

doi:10.1117/12.460109

26 March 2002 Effect of pre-ionization border on development of inhomogeneities in electrical discharge pumped XeCl laser

Yu. Bychkov, S. Gortchakov, S. A. Yampolskaya, Arkadi G. Yastremsky

Author Affiliations +

Proceedings Volume 4747, International Conference on Atomic and Molecular Pulsed Lasers IV; (2002) https://doi.org/10.1117/12.460109
Event: International Conference on Atomic and Molecular Pulsed Lasers IV, 2001, Tomsk, Russian Federation

Abstract

Effect of the border of preionization on discharge uniformity and quality of laser radiation is studied theoretically in the framework of 2D model of discharge pumped XeCl laser. Calculations show that near the border between preionized and unpreionized regions a local enhancement of the electric field occurs. This phenomenon is induced by a divergence of the X-ray beam. The local enhancement of the electric field promotes formation of cathode spots and, finally, leads to formation of discharge inhomogeneities. A decrease of sharpness of the border of preionization region reduces the local enhancement of electric field and improves characteristics of the laser radiation.

Citation Download Citation

Yu. Bychkov, S. Gortchakov, S. A. Yampolskaya, and Arkadi G. Yastremsky "Effect of pre-ionization border on development of inhomogeneities in electrical discharge pumped XeCl laser", Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); https://doi.org/10.1117/12.460109

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