Laser-induced bound-state phases in high-order harmonic generation
arXiv:1206.2104 · doi:10.1103/PhysRevA.86.023818
Abstract
We present single-molecule and macroscopic calculations showing that laser-induced Stark shifts contribute significantly to the phase of high-order harmonics from polar molecules. This is important for orbital tomography, where phases of field-free dipole matrix elements are needed in order to reconstruct molecular orbitals. We derive an analytical expression that allows the first-order Stark phase to be subtracted from experimental measurements.
References in corpus (8)
- Photoelectron angular distributions from strong-field ionization of oriented molecules
- Laser-induced alignment and orientation of quantum-state-selected large molecules
- Field-free orientation of CO molecules by femtosecond two-color laser fields
- Quantum-state selection, alignment, and orientation of large molecules using static electric and laser fields
- Molecular Orbital Tomography using Short Laser Pulses
- Two-center minima in harmonic spectra from aligned polar molecules
- Theoretical studies of high-harmonic generation: Effects of symmetry, degeneracy and orientation
- Effects of orientation and alignment in high-harmonic generation and above threshold ionization