Circularly Polarized High Harmonics in Argon: Dipole and Non-Dipole Effect

Authors : Dilan ALP, İlhan CANDAN

Pages : 188-196

Doi:10.29132/ijpas.1269696

View : 26 | Download : 27

Publication Date : 2023-06-30

Article Type : Research Paper

Abstract :The interaction of the intense laser pulse, which forms the basis of the strong laser field and non-linear optical physics, with atoms, molecules, and solids leads to the High Order Harmonic Generation insert ignore into journalissuearticles values(HHG);. There are many theoretical and experimental research related to this process defined by the Semi-Classic Model which is called the Three Step Model. In this article, the dipole and non-dipole effects specified in the theoretical Lewenstein model to be used in the Argon atom interacting with the strong circular laser field insert ignore into journalissuearticles values(800nm); and the resulting higher order harmonic spectrum will be investigated. We compared the results obtained using the non-collinear beams with opposite circular polarizations with those obtained using a single circularly polarized beam or a linearly polarized beam. It could be said that the circular polarization can significantly affect the HHG process in an argon atom exposed to a laser field with 800 nm wavelength and 1015 W/cm2 intensity.
Keywords : Argon, yüksek harmonik üretimi, dipol, dipol olmayan