C. Paré, P. Laperle, Y. Taillon "Improvement in the beam quality of large-mode-area fiber amplifier output through fiber tapering" Proc. of SPIE, 6343, art. no. 63430T, 2006
Résumé: It is shown that the introduction of an adiabatic taper at the output end of a large-mode-area fiber amplifier can greatly improve the beam quality factor of the single-mode output beam when the core refractive index profile departs from an ideal step-index distribution. The deleterious impact of higher-order modes is also analyzed.
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