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Proceedings Paper

Line stabilization of slab waveguide CO2 lasers and the laser signature revisited
Author(s): Howard J. Baker; P. A. Field; F. Villarreal; S. D. Stratton; R. J. Ramirez; D. R. Hall
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Paper Abstract

The problem of line-hoppng in a short cavity, slab waveguide CO2 laser is studied by modeling of the laser signature and the experimental determination of laser spectra. It is shown that small increments of resonator length, less than 100 µm, significantly change the number of lines in the spectra and at a specific resonator length near 408.7 mm there is the possibility of single line operation. To reduce line-hopping and lock the laser to the 10P20 line, a 10th order, 2 dimensional grating has been laser engraved on one surface of the planar waveguide.

Paper Details

Date Published: 10 November 2003
PDF: 5 pages
Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); doi: 10.1117/12.515469
Show Author Affiliations
Howard J. Baker, Heriot-Watt Univ. (United Kingdom)
P. A. Field, Heriot-Watt Univ. (United Kingdom)
F. Villarreal, Heriot-Watt Univ. (United Kingdom)
S. D. Stratton, Heriot-Watt Univ. (United Kingdom)
R. J. Ramirez, Heriot-Watt Univ. (United Kingdom)
D. R. Hall, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 5120:
XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Krzysztof M. Abramski; Edward F. Plinski; Wieslaw Wolinski, Editor(s)

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