Top-hat beam output with 100  μJ temporally shaped narrow-bandwidth nanosecond pulses from a linearly polarized all-fiber system

Pierre Calvet (1, 2) , Constance Valentin (2) , Pierre Gouriou (1, 2) , Yves Quiquempois (2) , Géraud Bouwmans (2) , Laurent Bigot (2) , Quentin Coulombier (2) , Marc Douay (2) , Rémi Habert (2) , Karen Delplace (2) , Arnaud Mussot (2) , Emmanuel Hugonnot (1)

1 CESTA - Centre d'études scientifiques et techniques d'Aquitaine
2 PhLAM - Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523

We report on an all-fiber system delivering more than 100 μJ pulses with a top-hat beam output in the few nanoseconds regime at 10 kHz. The linearly polarized flattened beam is obtained thanks to a 3-mm-long single-mode microstructured fiber spliced to the amplifier’s output.

Domaines: Optique [physics.optics]

Pierre Calvet, Constance Valentin, Pierre Gouriou, Yves Quiquempois, Géraud Bouwmans, et al.. Top-hat beam output with 100  μJ temporally shaped narrow-bandwidth nanosecond pulses from a linearly polarized all-fiber system. Optics Letters, 2014, 39 (16), pp.4780. ⟨hal-01089800⟩