Brief Communications

Theoretical derivation of Smith's empirical formula

Feng Qi-yuan


Abstract: The rate equation for a four-level system and the principal relationships governing discharges in atomic gases are used in an analytic derivation of the well-known empirical formula of Smith for the small-signal (unsaturated) gain in the specific case of a mixture of atomic He and Ne gases.

UDC: 621.373.826.038.823

PACS: 42.55.Lt, 42.60.Lh, 52.80.Tn, 42.50.Ar, 42.50.Vk

Received: 23.03.1984

 English version: Soviet Journal of Quantum Electronics, 1985, 15:1, 103–104

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