期刊
COMPUTER PHYSICS COMMUNICATIONS
卷 126, 期 3, 页码 269-293出版社
ELSEVIER
DOI: 10.1016/S0010-4655(99)00493-2
关键词
harmonic generation; Bessel-Gauss beams
Using the Green's function of the scalar wave equation, the program propBG computes and analyzes the far-field amplitude of the harmonics generated when a linearly polarized Gaussian or Bessel-Gauss beam of order zero passes through a dilute gaseous atomic target. The user must supply the relevant atomic data, namely the intensity-dependent atomic dipole moments, linear atomic susceptibilities (both at the fundamental and the harmonic frequencies), and photoionization rate. Target depletion and phase-mismatch due to photoionization are taken into account. (C) 2000 Elsevier Science B.V. All rights reserved.
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