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Influence of the cathode material on the discharge quality of a high-PRF long-pulse XeCl laser
Author(s): I. Tassy; Marc L. Sentis; Philippe Ch. Delaporte; L. Jaouen; Bernard L. Fontaine; Bernard M. Forestier; Olivier P. Uteza
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Paper Abstract

Uniformity and stability of discharge process in a high Pulse Repetition Frequency (PRF) long pulse XeCl laser are investigated for three different cathode materials (aluminium, copper, brass) versus PRF (f <EQ 700 Hz) and burst duration (1 - 100 shots). The discharge quality evolution is experimentally studied with a fast gated CCD video camera providing 200 - 400 ns time-integrated discharge photographs. This discussion also benefits from a theorical approach of the macroscopic properties of the different cathode materials and from the development of a simple code calculating the shot to shot electrode temperature increase due to the successive input energy releases.

Paper Details

Date Published: 29 March 1996
PDF: 7 pages
Proc. SPIE 2702, Gas and Chemical Lasers, (29 March 1996); doi: 10.1117/12.236882
Show Author Affiliations
I. Tassy, IRPHE/Univ. d'Aix-Marseille I and II (France)
Marc L. Sentis, IRPHE/Univ. d'Aix-Marseille I and II (France)
Philippe Ch. Delaporte, IRPHE/Univ. d'Aix-Marseille I and II (France)
L. Jaouen, IRPHE/Univ. d'Aix-Marseille I and II (France)
Bernard L. Fontaine, IRPHE/Univ. d'Aix-Marseille I and II (France)
Bernard M. Forestier, IRPHE/Univ. d'Aix-Marseille I and II (France)
Olivier P. Uteza, IRPHE/Univ. d'Aix-Marseille I and II (France)


Published in SPIE Proceedings Vol. 2702:
Gas and Chemical Lasers
Robert C. Sze, Editor(s)

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