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Improvement of the performance of cw CO lasers by using externally ribbed wall cooled discharge tubes

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Abstract.

 We describe a modified design of a continuous-flow cw CO laser with longitudinal electric discharge using an externally ribbed wall cooled discharge tube. The transverse ribbed discharge tube provides a more intense heat exchange of the CO-laser gas with the walls. With this configuration it was possible to obtain about 50% more output power from an all-line CO Δv=1 laser. For a CO-overtone Δv=2 laser we were able to improve both the output power and the number of lines as compared to a conventional smooth tube.

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Authors and Affiliations

  1. Institut für Angewandte Physik der Universität Bonn, Wegelerstraße 8, D-53115 Bonn, Germany, , , , , , DE

    S. Büscher, O. Schulz, A. Dax, H. Kath & W. Urban

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  1. S. Büscher
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  2. O. Schulz
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  3. A. Dax
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  4. H. Kath
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  5. W. Urban
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Received: 23 April 1996

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Büscher, S., Schulz, O., Dax, A. et al. Improvement of the performance of cw CO lasers by using externally ribbed wall cooled discharge tubes. Appl Phys B 64, 307–309 (1997). https://doi.org/10.1007/s003400050178

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  • DOI: https://doi.org/10.1007/s003400050178

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