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Short‐pulse, multiline energy extraction from a transversely excited atmospheric CO2 laser amplifier

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2 Author(s)
Rooth, R.A. ; Department of Applied Physics, Twente University of Technology, Enschede, The Netherlands ; Witteman, W.J.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.336124 

Data are presented on the energy extraction from a transversely excited atmospheric CO2 laser amplifier by a 1.1‐ns pulse consisting of an adjustable number of lines which are generated by a multiline oscillator of a new design. An increase in energy extraction of 95% with respect to single‐line extraction was achieved with a pulse consisting of up to six lines in the 10.6‐μm branch. Energy extraction at a fixed number of lines was not very sensitive to their spectral distribution. We observed a maximum increase of about 8% when the lines were spread over the 00°1–10°0 vibrational band. This indicates a slight preference for small Δj values in the rotational relaxation processes.

Published in:

Journal of Applied Physics  (Volume:58 ,  Issue: 3 )

Date of Publication:

Aug 1985

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