Mechanism of the optogalvanic effect in a hollow-cathode discharge
Description:
There are two significantly different mechanisms proposed for the origin of the optogalvanic effect in a hollow-cathode discharge: (1) laser excitation of atoms to higher electronic states leads to an increased cross section for electron impact ionization, with the result that the excited atom becomes ionized and the conductivity of the discharge increases; and (2) laser excitation of atoms to higher electronic states perturbs the equilibrium established between the electron temperature and the…
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Date:
June 17, 1983
Creator:
Keller, Richard A.; Warner, Bruce E.; Zalewski, Edward F.; Dyer, P.; Engleman, Rolf, Jr. & Palmer, Byron A.
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