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1 February 2011 Design of a fiber-collimated array for beam combining
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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.
©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Cindy Bellanger, Arnaud Brignon, Bruno Toulon, Jérôme Primot, Fayçal Bouamrane, Thomas Bouvet, Stephan Megtert, Lionel Quetel, and Tristan Allain "Design of a fiber-collimated array for beam combining," Optical Engineering 50(2), 025005 (1 February 2011).
Published: 1 February 2011

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