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Proceedings Paper

The 667.7-nm optogalvanic effect signal in argon hollow cathode discharge
Author(s): Sanka V. Gateva; M. Janossy
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Paper Abstract

The optogalvanic signals (OGS) at 667.728 nm (the 1s4-2p1) Ar transition in pure Ar and He:Ar=1:1 mixture have been investigated with a low power diode laser in a longitudinal hollow cathode discharge. Qualitative explanation of the formation of the 667.7 nm Ar OGS is proposed. A simple model for explanation of the dependence of the 667.728 nm Ar OGS amplitude and sign along the cross-section of the discharge tube is applied. The OGS in pure Ar and HE:Ar = 1:1 mixture gas discharge are compared.

Paper Details

Date Published: 4 November 2003
PDF: 5 pages
Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); doi: 10.1117/12.519395
Show Author Affiliations
Sanka V. Gateva, Institute of Electronics (Bulgaria)
M. Janossy, Research Institute of Solid State Physics and Optics (Hungary)


Published in SPIE Proceedings Vol. 5226:
12th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Alexander A. Serafetinides; Ivan N. Kolev, Editor(s)

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