Gating attosecond pulses in a noncollinear geometry

Maité Louisy (1) , C. L. Arnold (1) , Miguel Miranda (1) , Esben W Larsen (1) , Samuel N. Bengtsson (1) , D. Kroon (1) , Marija Kotur (1) , Diego Guénot (1) , Linnea Rading (1) , Piotr Rudawski (1) , Fernando Brizuela (1) , Filippo Campi (1) , Amélie Jarnac (2) , Aurélien Houard (2) , Byunghoon Kim (1) , Johan Mauritsson (1) , Per Johnsson (1) , Anne L'Huillier (1) , Christoph M. Heyl (1)

1 Department of Physics
2 LOA - Laboratoire d'optique appliquée

The efficient generation of isolated attosecond pulses (IAPs), giving access to ultrafast electron dynamics in various systems, is a key challenge in attosecond science. IAPs can be produced by confining the extreme ultraviolet emission generated by an intense laser pulse to a single field half-cycle or, as shown recently, by employing angular streaking methods. Here, we experimentally demonstrate the angular streaking of attosecond pulse trains in a noncollinear geometry, leading to the emission of angularly separated IAPs. The noncollinear geometry simplifies the separation of the fundamental laser field and the generated pulses, making this scheme promising for intracavity attosecond pulse generation, thus opening new possibilities for high-repetition-rate attosecond sources.

Domaines: Optique [physics.optics]

Maité Louisy, C. L. Arnold, Miguel Miranda, Esben W Larsen, Samuel N. Bengtsson, et al.. Gating attosecond pulses in a noncollinear geometry. Optica, 2015, 2, pp.563. ⟨10.1364/OPTICA.2.000563⟩. ⟨hal-01169011⟩