Experimental observation of a traveling plasma grating formed by two crossing filaments in gases

Magali Durand (1, 2) , Yi Liu (2) , Benjamin Forestier (2) , Aurélien Houard (2) , André Mysyrowicz (2)

1 ONERA - The French Aerospace Lab [Châtillon]
2 LOA - Laboratoire d'optique appliquée

The spatial motion and effective duration of a traveling plasma grating formed by two interfering femtosecond laser filaments in gases is characterized by its Doppler effect imparted on a probe pulse. The shift velocity determined experimentally agrees with the theoretical calculations.

Keywords: diffraction gratings; high-speed optical techniques; light diffraction; light interference; optical self-focusing; plasma light propagation; plasma production by laser

Domains: Physics [physics]; Physics [physics]; Optics [physics.optics]

Magali Durand, Yi Liu, Benjamin Forestier, Aurélien Houard, André Mysyrowicz. Experimental observation of a traveling plasma grating formed by two crossing filaments in gases. Applied Physics Letters, 2011, 98 (12), pp.121110. ⟨10.1063/1.3568888⟩. ⟨hal-00852001⟩