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Proceedings Paper

200-W single frequency laser based on short active double clad tapered fiber
Author(s): Christophe Pierre; Germain Guiraud; Jean-Paul Yehouessi; Giorgio Santarelli; Johan Boullet; Nicholas Traynor; Cyril VINCONT
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Paper Abstract

High power single frequency lasers are very attractive for a wide range of applications such as nonlinear conversion, gravitational wave sensing or atom trapping. Power scaling in single frequency regime is a challenging domain of research. In fact, nonlinear effect as stimulated Brillouin scattering (SBS) is the primary power limitation in single frequency amplifiers. To mitigate SBS, different well-known techniques has been improved. These techniques allow generation of several hundred of watts [1]. Large mode area (LMA) fibers, transverse acoustically tailored fibers [2], coherent beam combining and also tapered fiber [3] seem to be serious candidates to continue the power scaling. We have demonstrated the generation of stable 200W output power with nearly diffraction limited output, and narrow linewidth (Δν<30kHz) by using a tapered Yb-doped fiber which allow an adiabatic transition from a small purely single mode input to a large core output.

Paper Details

Date Published: 26 February 2018
PDF: 1 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122A (26 February 2018); doi: 10.1117/12.2290424
Show Author Affiliations
Christophe Pierre, ALPhANOV (France)
Germain Guiraud, Azur Light Systems (France)
Jean-Paul Yehouessi, ALPhANOV (France)
Giorgio Santarelli, Lab. Photonique, Numérique et Nanosciences (France)
Johan Boullet, ALPhANOV (France)
Nicholas Traynor, Azur Light Systems (France)
Cyril VINCONT, ALPhANOV (France)

Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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