Assessment of a discharge-excited supersonic free jet as a laser medium

Fumihiko Kannari; F. Sato; Minoru Obara

doi:10.1117/12.25994

1 February 1991 Assessment of a discharge-excited supersonic free jet as a laser medium

Fumihiko Kannari, F. Sato, Minoru Obara

Proceedings Volume 1397, 8th Intl Symp on Gas Flow and Chemical Lasers; (1991) https://doi.org/10.1117/12.25994
Event: Eighth International Symposium on Gas-Flow and Chemical Lasers, 1990, Madrid, Spain

Abstract

Experimental results of spectroscopic measurement of spontaneous emission from argon gas excited electrically in a nozzle discharge followed by supersonic expansion are described. A strong line emission at 152.6 nm originating from Si(ll) 4s-3p is observed together with relatively weak emission line around 126 nm. A theoretical model that takes account of collisional gas kinetics, discharge processes, and empirical treatment of the free jet expansion is developed to examine the capability of the discharge excited gas as a laser medium for Ar2 excimer at 126 nm wavelength.

Citation Download Citation

Fumihiko Kannari, F. Sato, and Minoru Obara "Assessment of a discharge-excited supersonic free jet as a laser medium", Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); https://doi.org/10.1117/12.25994

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