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Optical Engineering

Broad-area semiconductor lasers with diffraction-grating mode control
Author(s): Bohdan Mroziewicz; Andrzej Litkowiec; Bozena Janowska-Dmoch
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Paper Abstract

Broad-area semiconductor lasers with stripe patterns formed on their front mirrors and the properties of such lasers are described. The stripes are of alternately different reflectivity and therefore the pattern acts as a low frequency grating. Such a grating significantly affects the shape of the laser output beam. The envelope of its intensity profile becomes almost Gaussian and the beam cross section is much closer to a circle than in the case of standard lasers.

Paper Details

Date Published: 1 July 1997
PDF: 8 pages
Opt. Eng. 36(7) doi: 10.1117/1.601389
Published in: Optical Engineering Volume 36, Issue 7
Show Author Affiliations
Bohdan Mroziewicz, Institute of Electron Technology (Poland)
Andrzej Litkowiec, Institute of Electron Technology (Poland)
Bozena Janowska-Dmoch, Univ. of Warsaw (Poland)


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