Evolution of photoelectron angular distributions in a train of identical, circularly polarized few-cycle laser pulses

  • J. T. Zhang
  • S. H. Li
  • Z. Z. Xu


Photoelectron angular distribution (PAD) of atoms irradiated by a train of identical, circularly polarized few-cycle laser pulses is studied in the frame of a nonperturbative scattering theory. Our study shows that the PADs vary with the kinetic energy of photoelectron, the carrier-envelope phase, and the pulse duration. We find that along with increasing of the kinetic energy of photoelectron or with decreasing of the pulse duration or the both, the original one maximum of PAD splits into two maxima; the newly produced two maxima evolve to the opposite pole of the symmetric axis, and finally incorporate as a new maximum located in the symmetric axis.


Kinetic Energy Laser Pulse Pulse Duration Angular Distribution Opposite Pole 
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Copyright information

© Springer-Verlag Berlin/Heidelberg 2004

Authors and Affiliations

  1. 1.CCAST (World Laboratary)BeijingP.R. China
  2. 2.Laboratory for High Intensity OpticsShanghai Institute of Optical and Fine Mechanics, Chinese Academy of SciencesShanghaiP.R. China
  3. 3.Department of PhysicsShantou UniversityShantouP.R. China

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