Phase-dependent angular distributions of photoelectrons in an infinite sequence of linearly polarized few-cycle pulses
Journal Article
·
· Physical Review. A
- Laboratory for High Intensity Optics, Shanghai Institute of Optical and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China)
Above-threshold ionization of Xe atoms in an infinite sequence of linearly polarized few-cycle pluses is studied. The dependence of photoelectron angular distributions (PADs) on the carrier-envelope (CE) phase in various few-cycle pulses are obtained. Our study shows that PADs in linearly polarized few-cycle pulses vary with the CE phase. The PADs are inversion asymmetric for most CE phases and inversion symmetric for some special CE phases. The PADs are always symmetric about the polarization vector, but the maximal ionization rates vary with the CE phase. Our study also shows the jet structures in PADs arising from the inherent property of photon ionization and the variation of PADs with the number of optical cycles in a single pulse.
- OSTI ID:
- 20641018
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 69; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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