Simple approach for spectral beam combination of narrowband laser sources for spectroscopic applications

Spectral beam combination of multiple single mode laser sources employing narrowband spectral filters which are arranged on the perimeter of regular polygons is demonstrated. With this simple geometric design, co-alignment and co-propagation of the individual laser beams can be reasonably achieved....

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Bibliographic Details
Published in:Optics express 2023-09, Vol.31 (19), p.31329
Main Authors: Moser, Harald, Waclawek, Johannes P., Pölz, Walter, Lendl, Bernhard
Format: Article
Language:English
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Summary:Spectral beam combination of multiple single mode laser sources employing narrowband spectral filters which are arranged on the perimeter of regular polygons is demonstrated. With this simple geometric design, co-alignment and co-propagation of the individual laser beams can be reasonably achieved. Spectroscopic applicability is displayed by spatial filtering, mode-matching, and subsequent coupling of the combined beams into a 76 m astigmatic mirror multipass cell.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.495505