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Proceedings Paper

Room temperature repetitively pulsed e-beam sustained carbon monoxide laser
Author(s): Andrei A. Ionin; Wilhelm Mayerhofer; S. Walther; Eberhard Zeyfang
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Paper Abstract

The first experimental results on a repetitively pulsed e-beam sustained discharge CO-laser operating at room temperature are presented. The active laser volume was 3.41. A laser gas mixture of CO:N2:He equals 1:6:7 has been used in a pressure range between 300 mbar and 600 mbar. The pumping current pulse duration was 7 microsecond(s) . The laser resonator consisted of a concave rear copper mirror (R equals 9 m) and a plane ZnSe output mirror of 97% reflectivity. The laser operated in a burst mode, the burst length varying between 0.1 s and 10 s at pulse repetition rates between 1 Hz and 50 Hz. The maximum laser energy of a single pulse was 24 J, at 45 Hz pulse repetition rate a medium output power of about 1 kW has been obtained. Further improvements of the laser and its application potential are discussed.

Paper Details

Date Published: 31 March 1995
PDF: 7 pages
Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); doi: 10.1117/12.204956
Show Author Affiliations
Andrei A. Ionin, P.N. Lebedev Physical Institute (Russia)
Wilhelm Mayerhofer, DLR (Germany)
S. Walther, DLR (Germany)
Eberhard Zeyfang, DLR (Germany)


Published in SPIE Proceedings Vol. 2502:
Gas Flow and Chemical Lasers: Tenth International Symposium
Willy L. Bohn; Helmut Huegel, Editor(s)

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