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Optical Engineering

Design of a fiber-collimated array for beam combining
Author(s): Cindy Bellanger; Arnaud Brignon; Bruno Toulon; Jérôme Primot; Fayçal Bouamrane; Thomas Bouvet; Stephan Megtert; Lionel Quetel; Tristan Allain
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Paper Abstract

In this paper, we present the design of a very precise collimated fiber array that meets requirements for beam combining. Calculations permit to determine the tolerances toward key parameters and specify the components to manufacture. Thus, the collimated fiber array is composed of a high quality commercial microlens array and an especially dedicated fiber holder that we design and realize experimentally. Manufacture techniques for both the microlens and the holder are chosen to be collective and then compatible with a high number of fibers. With the collimated fiber array hence obtained, the individual beam quality was measured to be λ/10 and the pointing accuracy is under 0.6 mrad.

Paper Details

Date Published: 1 February 2011
PDF: 7 pages
Opt. Eng. 50(2) 025005 doi: 10.1117/1.3537968
Published in: Optical Engineering Volume 50, Issue 2
Show Author Affiliations
Cindy Bellanger, Thales Research & Technology (France)
Arnaud Brignon, Thales Research & Technology (France)
Bruno Toulon, ONERA (France)
Jérôme Primot, ONERA (France)
Fayçal Bouamrane, Thales Research & Technology (France)
Thomas Bouvet, Thales Research & Technology (France)
Stephan Megtert, Thales Research & Technology (France)
Lionel Quetel, IDIL Fibres Optiques (France)
Tristan Allain, IDIL Fibres Optiques (France)

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