Diffraction-limited polarized emission from a multimode Yb-doped fiber amplifier after nonlinear beam cleanup

Laurent Lombard; Arnaud Brignon; Jean Pierre Huignard; Eric Lallier; Gaelle Lucas-Leclin; Patrick Georges; Gilles Pauliat; Gerald Roosen

doi:10.1117/12.529190

7 June 2004 Diffraction-limited polarized emission from a multimode Yb-doped fiber amplifier after nonlinear beam cleanup

Laurent Lombard, Arnaud Brignon, Jean Pierre Huignard, Eric Lallier, Gaelle Lucas-Leclin, Patrick Georges, Gilles Pauliat, Gerald Roosen

Author Affiliations +

Proceedings Volume 5335, Fiber Lasers: Technology, Systems, and Applications; (2004) https://doi.org/10.1117/12.529190
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

The multimode and depolarized output beam of a highly multimode diode-pumped Yb-doped fiber amplifier is converted to a diffraction limited, linearly polarized beam by a self-referencing two wave mixing process in an infrared sensitive photorefractive crystal (Rh:BaTiO3). Up to 11.6W singlemode output is achieved with a 78% multimode to singlemode photorefractive conversion efficiency.

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Laurent Lombard, Arnaud Brignon, Jean Pierre Huignard, Eric Lallier, Gaelle Lucas-Leclin, Patrick Georges, Gilles Pauliat, and Gerald Roosen "Diffraction-limited polarized emission from a multimode Yb-doped fiber amplifier after nonlinear beam cleanup", Proc. SPIE 5335, Fiber Lasers: Technology, Systems, and Applications, (7 June 2004); https://doi.org/10.1117/12.529190

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