Formation of a quasi-uniform output beam in the waveguide CO2 laser

An experimental sample of a waveguide CO 2 laser with a quasi-uniform profile of the output radiation intensity is designed on the basis of a waveguide quasi-optical cavity of a new type comprising the generic confocal cavity with a nonuniform mirror and the hollow waveguide with the dimensions sati...

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Bibliographic Details
Main Authors: Gurin, O. V., Degtyarev, A. V., Maslov, V. A., Svich, V. A., Topkov, A. N., Ruban, T. F.
Format: Conference Proceeding
Language:English
Subjects:
Cavity resonators
Hollow waveguides
Laser beams
Laser modes
Mirrors
Optical waveguides
Waveguide lasers
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Summary:An experimental sample of a waveguide CO 2 laser with a quasi-uniform profile of the output radiation intensity is designed on the basis of a waveguide quasi-optical cavity of a new type comprising the generic confocal cavity with a nonuniform mirror and the hollow waveguide with the dimensions satisfying the conditions for self-imaging the quasi-uniform field. The surface of the mirror has the discrete large-scale absorbing nonuniformities. Results of theoretical and experimental investigations of spatial-energy characteristics of the laser in using uniform or amplitude-stepped reflecting mirrors are presented.
ISSN:2160-1518
2160-1534
DOI:10.1109/CAOL.2013.6657564