Top-hat beam output from a large mode area microstructured fiber for beam delivery

Pierre Calvet; Constance Valentin; Yves Quiquempois; Géraud Bouwmans; Laurent Bigot; Marc Douay; Arnaud Mussot; Emmanuel Hugonnot

doi:10.1117/12.921691

11 May 2012 Top-hat beam output from a large mode area microstructured fiber for beam delivery

Pierre Calvet, Constance Valentin, Yves Quiquempois, Géraud Bouwmans, Laurent Bigot, Marc Douay, Arnaud Mussot, Emmanuel Hugonnot

Author Affiliations +

Proceedings Volume 8433, Laser Sources and Applications; 84330K (2012) https://doi.org/10.1117/12.921691
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

We present a new passive air/silica microstructured optical fiber designed to be single mode and which delivers a flat-top intensity profile at 1 μm. By inclusion of a raised index ring surrounding the central core, the refractive index profile of the fiber flattens the intensity distribution of the fundamental mode. Experimental results clearly demonstrate the feasibility of all-fibered top-hat beam delivery systems with one spatial mode suitable for many applications.

Citation Download Citation

Pierre Calvet, Constance Valentin, Yves Quiquempois, Géraud Bouwmans, Laurent Bigot, Marc Douay, Arnaud Mussot, and Emmanuel Hugonnot "Top-hat beam output from a large mode area microstructured fiber for beam delivery", Proc. SPIE 8433, Laser Sources and Applications, 84330K (11 May 2012); https://doi.org/10.1117/12.921691

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