Abstract

A theoretical model is presented for the generation of a quasi-constant current accompanying the optical breakdown of air by femtosecond laser pulses containing the second harmonic, along with the fundamental. Analytical estimates of the current are made. Results of the modelling of the emission of terahertz pulses from a plasma column are presented.

© 2010 Optical Society of America

Terahertz-pulse generation by photoionization of air with laser pulses composed of both fundamental and second-harmonic waves

Markus Kress, Torsten Löffler, Susanne Eden, Mark Thomson, and Hartmut G. Roskos
Opt. Lett. 29(10) 1120-1122 (2004)

On the role of photoionization in generation of terahertz radiation in the plasma of optical breakdown

Alexander V. Borodin, Mikhail N. Esaulkov, Ilya I. Kuritsyn, Igor A. Kotelnikov, and Alexander P. Shkurinov
J. Opt. Soc. Am. B 29(8) 1911-1919 (2012)

Three-step model for third-harmonic generation in air by nanosecond lasers

Mihai Stafe
J. Opt. Soc. Am. B 38(7) 2206-2214 (2021)

Intensity modulated terahertz vortex wave generation in air plasma by two-color femtosecond laser pulses

Maksym Ivanov, Illia Thiele, Luc Bergé, Stefan Skupin, Danas Buožius, and Virgilijus Vaičaitis
Opt. Lett. 44(15) 3889-3892 (2019)

Terahertz pulse induced femtosecond optical second harmonic generation in transparent media with cubic nonlinearity

S. B. Bodrov, Yu. A. Sergeev, A. I. Korytin, E. A. Burova, and A. N. Stepanov
J. Opt. Soc. Am. B 37(3) 789-796 (2020)