15 May 1981 Metallic Waveguide Systems For Collecting, Directing, And Shaping 3 Kw Laser Beams
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Proceedings Volume 0236, 1980 European Conf on Optical Systems and Applications; (1981) https://doi.org/10.1117/12.959038
Event: 1980 European Conference on Optical Systems and Applications, 1980, Utrecht, Netherlands
Abstract
A 30 cm long waveguide made of two specularly reflecting water-cooled brass plates was built for use with a 3 kw CO2 laser beam focused with telescopes having numerical apertures ranging between f/7 and f/150. In order to improve the collection efficiency a V-shaped throat was used as input section. The coupling coefficients of a Gaussian beam were calculated for different illuminations by using simple expressions derived from the uniform asymptotic theory (UAT) of diffraction . Essential to this approach it was to simulate the beam as a wave radiated by a source located at a complex point.
© (1981) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. Crescenzi, P. Gay, A. Cutolo, I. Pinto, S. Solimeno, "Metallic Waveguide Systems For Collecting, Directing, And Shaping 3 Kw Laser Beams", Proc. SPIE 0236, 1980 European Conf on Optical Systems and Applications, (15 May 1981); doi: 10.1117/12.959038; https://doi.org/10.1117/12.959038
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