Journal
AMERICAN JOURNAL OF PHYSICS
Volume 77, Issue 5, Pages 389-395Publisher
AMER ASSOC PHYSICS TEACHERS AMER INST PHYSICS
DOI: 10.1119/1.3086028
Keywords
atom-photon collisions; high-speed optical techniques; optical harmonic generation; physics education; two-photon processes
Funding
- Marie Curie European Program [MRTN-CT-2003-505138]
- Knut and Alice Wallenberg Foundation
- Swedish Research Council
- Magyary Zoltun Postdoctoral Fellowship
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The physics of extreme ultraviolet attosecond pulse trains generated during the interaction between an intense laser pulse and a gas medium is presented, including a simple model based on the solution of the classical equations of motion of an electron in an oscillating laser field. The reconstruction of attosecond beating by the interference of a two-photon transition is described and used to determine the pulse duration of the emitted attosecond pulses. This application is the basis of a laboratory practical for a graduate atomic physics course.
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