Photoionization spectra by intense linear, circular, and elliptic polarized lasers

C. H. Raymond Ooi, WaiLoon Ho, and A. D. Bandrauk
Phys. Rev. A 86, 023410 – Published 17 August 2012

Abstract

We study the characteristics of ionization rates of an atom by an intense laser field using an extension of Keldysh theory. High-order semianalytical expressions are obtained for linear, circular, and elliptically polarized fields. We compare the features of the new rates with Keldysh analytical results as functions of frequency and electric field strength. The directionality of photoelectron emissions is compared for elliptical, circular, and linearly polarized cases. Laser polarization has significant effects on the ionization spectra and directionality of photoelectron emission.

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  • Received 17 May 2012

DOI:https://doi.org/10.1103/PhysRevA.86.023410

©2012 American Physical Society

Authors & Affiliations

C. H. Raymond Ooi1, WaiLoon Ho1, and A. D. Bandrauk2

  • 1Department of Physics, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • 2Laboratoire de Chimie Théorique, Faculté des Sciences, Université de Sherbrooke, Sherbrooke, Québec, Canada J1K 2R1

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Vol. 86, Iss. 2 — August 2012

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