Gas-dynamically cooled CO laser with rf-excitation: optical performance

Eberhard Zeyfang; Hartwig von Buelow; M. Stoehr

doi:10.1117/12.25937

1 February 1991 Gas-dynamically cooled CO laser with rf-excitation: optical performance

Eberhard Zeyfang, Hartwig von Buelow, M. Stoehr

Proceedings Volume 1397, 8th Intl Symp on Gas Flow and Chemical Lasers; (1991) https://doi.org/10.1117/12.25937
Event: Eighth International Symposium on Gas-Flow and Chemical Lasers, 1990, Madrid, Spain

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.

Citation Download Citation

Eberhard Zeyfang, Hartwig von Buelow, and M. Stoehr "Gas-dynamically cooled CO laser with rf-excitation: optical performance", Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); https://doi.org/10.1117/12.25937

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