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Two-step Optogalvanic Effect Using Intersecting Laser Beams: A Pinpoint Discharge Diagnostic

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Sun, 2013-03-03 09:43 — Dr. Subhi Saleh
Journal Title, Volume, Page: 
PHYSICS LETTERS, Volume 103A,P 41–44, number 1,2,18 June 1984
Year of Publication: 
1984
Link: 
http://www.sciencedirect.com/science/article/pii/0375960184900458
Authors: 
D.K. Doughty
Department of Physics, University of Wisconsin, Madison, WI 53706, USA
S. Salih
Department of Physics, University of Wisconsin, Madison, WI 53706, USA
Current Affiliation: 
Department of Physics, Faculty of Sciences, An-Najah National University, Palestine
[email protected]
J.E. Lawler
Department of Physics, University of Wisconsin, Madison, WI 53706, USA
Preferred Abstract (Original): 
Electric fields in the cathode fall region of a glow discharge are accurately measured in a small volume defined by the intersection of two laser beams. The fields are determined from linear Stark effects in Rydberg levels. The Rydberg atoms are produced via a two-step laser excitation and detected with optogalvanic effects.