High Temperature Material Processes (An International Quarterly of High-Technology Plasma Processes) An International Journal

ISSN for PRINT: 1093-3611

For Online Access

Best Paper Award Selection - Editorial Board Site

2001, Volume5

Issue 3

160 pages

Issue price - $144.00

Charles de Izarra
LASEP: Laboratoire d'Analyse Spectroscopique et d'Energétique des Plasmas, UPRES-EA 3269 Faculté des Sciences, Site de Bourges, Université d'Orléans, rue Gaston Berger, BP 4043, 18028 Bourges Cedex France

Michel Pennaneac'h
LASEP : Laboratoire d'Analyse Spectroscopique et d'Energétique des PLasmas, UPRES-EA 3269 Faculté des Sciences, Site de Bourges, Université d'Orléans, rue Gaston Berger, BP 4043, 18028 Bourges Cedex France

Olivier Vallee
LASEP, Faculté des Sciences, Université d'Orléans, rue Gaston Berger BP 4043, 18028 Bourges Cedex France

This paper deals with an experimental study of a fluctuating DC argon plasma jet using refractive index measurements. First, theoretical considerations are recalled, in order to justify the choice of a probing infrared wavelength (CO₂ laser at 10.6 mm). Since the considered plasma jet has a cylindrical symmetry, the deflection angle of the probing laser beam given by the gradient indexes allows to determine the electron density on the axis of the plasma column.

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