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Widening of spectral lines in an Ar+laser

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3 Author(s)
Kitaeva, V. ; Academy of Sciences of the USSR, Moscow, USSR ; Osipov, Yu. ; Sobolev, N.N.

In this paper an investigation of the spectral line widths and shifts of Ar I and Ar II lines in argon ion laser plasma is carried out. The discharge-tube internal diameters were 5 and 7 mm, the current densities were 113, 163, and 242 A/cm2, and the pressures were 0.68, 0.42, and 0.23 torr. Approximate calculations were made of ion and electron temperatures, electron density, ion mean free path, and charge-exchange cross section. It was determined that ion-neutral charge-exchange collisions play an important role in this type of plasma.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:7 ,  Issue: 8 )

Date of Publication:

August 1971

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