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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Druckformat: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v7.i2.10
11 pages

KINETIC MODELING OF SELF-SUSTAINED DISCHARGE XeCl LASER AND ITS INFLUENCE ON THE EFFICIENCY

Ahmed Belasri
Laboratoire de Physique des Plasmas, Matériaux Conducteurs et leurs Applications, Université d'Oran des Sciences et de la Technologie USTO-MB, Faculté de Physique, Oran 31000, Algeria
Z. Harrache
Laboratoire de Physique des Plasmas, Materiaux Conducteurs et leurs Applications V. S. Т. О (Departement de Physique) EL M'Naour B.P. 1505 Oran, Algeria

ABSTRAKT

A Photon emission phenomena, with energies about electron Volts, has been experimentally observed in excimers molecules. This category of diatomic molecules gave rise to important researches and developments in lasers technology. The present work is a zero-dimensional modeling of an electric discharge at high pressure, for excimer laser, coupled with the external circuit. In this model, the plasma generated by impulsional discharge is represented by one or more resistances in parallel whose conductivity is proportional to the electron density. The temporal variations of this electronic density are described using a whole of differential equations translating the kinetic of the medium. Rate coefficients are obtained by solving the Boltzmann equation. Detailed description of XeCl molecule and of the associated kinetic have been taken into account, together with the effect of the gas mixture composition on power deposition and the spatial uniformity of the plasma. The model predictions have been compared with the experimental results.


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