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Proceedings Paper

Gas-dynamically cooled CO laser with rf-excitation: optical performance
Author(s): Eberhard Zeyfang; Hartwig von Buelow; M. Stoehr
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Paper Abstract

After achieving steady long term operation of the rf-excited COlaser, the output beam has been examined for different resonator geometries. Results of near- and farfield beam profile measurements are reported for multipass stable resonators. The experimental results concerning focus diameter and intensity profile are compared with theoretical calculations. Furtheron the power distribution of the different spectral lines of the CO-laser, fluctuations of single lines and of the overall output power have been investigated. A pulse mode operation of the CO-laser can be realized very easily by the rf-excitation.

Paper Details

Date Published: 1 February 1991
PDF: 4 pages
Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); doi: 10.1117/12.25937
Show Author Affiliations
Eberhard Zeyfang, DLR (Germany)
Hartwig von Buelow, DLR (Germany)
M. Stoehr, DLR (Germany)

Published in SPIE Proceedings Vol. 1397:
8th Intl Symp on Gas Flow and Chemical Lasers
Concepcion Maroto Domingo; Jose M. Orza, Editor(s)

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