A virtual antenna produced in air by intense femtosecond laser pulses

Grégoire Méchain (1) , André Mysyrowicz (1) , M. Depiesse (2) , Michel Pellet (2)

1 LOA - Laboratoire d'optique appliquée
2 Ministère de la Défense

When propagating in air intense femtosecond laser pulses organize into intense self-guided light pulses. In turn, such self-guided pulses generate in their wake extended thin plasma columns. We show that these plasma columns act like antennas able to radiate electromagnetic pulses.

Domains: Optics [physics.optics]

Grégoire Méchain, André Mysyrowicz, M. Depiesse, Michel Pellet. A virtual antenna produced in air by intense femtosecond laser pulses. Proceedings of SPIE, the International Society for Optical Engineering, 2005, 5989, pp.59890S. ⟨10.1117/12.631202⟩. ⟨hal-00559099⟩