Studying Terahertz Conical Emission by a Two-color Laser-based Air Plasma

A. Stathopulos (1) , M. Rasmussen (2) , O. Nagy (2) , Stefan Skupin (3) , L. Bergé (4) , P. Jepsen (5) , B. Zhou (2)

1 CEA - Commissariat à l'énergie atomique et aux énergies alternatives
2 DTU Fotonik
3 ILM - Institut Lumière Matière [Villeurbanne]
4 LMCE - Laboratoire Matière sous Conditions Extrêmes
5 DTU - Danmarks Tekniske Universitet = Technical University of Denmark

We characterize the frequency-resolved terahertz (THz) beam profile created by two-color air-plasmas in the broadband frequency range (1-15 THz). Far-field conical emission patterns are confronted with current models proposed in the literature.

Domaines: Physique des plasmas [physics.plasm-ph]; Physique Atomique [physics.atom-ph]; Optique [physics.optics]

A. Stathopulos, M. Rasmussen, O. Nagy, Stefan Skupin, L. Bergé, et al.. Studying Terahertz Conical Emission by a Two-color Laser-based Air Plasma. CLEO: Science and Innovations, 2023, San Jose, United States. pp.SF3I.6, ⟨10.1364/CLEO_SI.2023.SF3I.6⟩. ⟨hal-04485046⟩