Abstract

Stark effect shifts have been measured for some twenty lines in the ultraviolet spark spectrum of argon. The apparatus used consisted of a hollow cathode discharge which acted as a source from which ions could be drawn into a field space. Fields up to 160 kv/cm could be obtained. All shifts observed were to the red and could be explained as being due to the combined effects of several nearby perturbing energy levels acting simultaneously.

© 1958 Optical Society of America

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