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Proceedings Paper

Construction and characterization of a CO2 waveguide laser with a special electrode design for materials processing
Author(s): Jose Luis Jiminez Perez; M. A. Algatti; Julio G. Mendoza-Alvarez; Alfredo Cruz Orea
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Paper Abstract

We describe the design and construction of an efficient tunable CO2 waveguide laser which was used for thermal graving of predigitalized images over polymeric materials. The small internal diameter of the cylindrical waveguide allowed the laser operation in high pressure regime ranging from 50 Torr to 100 Torr, which gives higher gain per cavity length. The operation of the laser at 80 Torr with the gas composition CO2:N2:He:11:9:60 gave a 400 MHz laser linewidth. For the proposed laser design we used an electrodes configuration which provides a symmetric discharge. The laser cavity, divided into three pieces, show great light coherence.

Paper Details

Date Published: 1 March 2001
PDF: 6 pages
Proc. SPIE 4351, Laser Optics 2000: High-Power Gas Lasers, (1 March 2001); doi: 10.1117/12.417697
Show Author Affiliations
Jose Luis Jiminez Perez, CICATA-IPN (Mexico)
M. A. Algatti, Univ. Estadual Paulista (Brazil)
Julio G. Mendoza-Alvarez, CICATA-IPN and CINVESTAV-IPN (Mexico)
Alfredo Cruz Orea, CICATA-IPN and CINVESTAV-IPN (Mexico)


Published in SPIE Proceedings Vol. 4351:
Laser Optics 2000: High-Power Gas Lasers
Oleg B. Danilov, Editor(s)

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