Molecular imaging using high-order harmonic generation and above-threshold ionization

Abstract

Accurate molecular imaging via high-order harmonic generation relies on comparing the harmonic emission from a molecule and an adequate reference system. However, an ideal reference atom with the same ionization properties as the molecule does not always exist. We show that for suitably designed, very short laser pulses, a one-to-one mapping between high-order harmonic frequencies and electron momenta in above-threshold ionization exists. Comparing molecular and atomic momentum distributions then provides the electron return amplitude in the molecule for every harmonic frequency. We show that the method retrieves the molecular recombination transition moments highly accurately, even with suboptimal reference atoms.

5 pages, 4 figures

References in corpus (7)

• Attosecond double-slit experiment
• Quantitative Rescattering Theory for high-order harmonic generation from molecules
• Molecular Orbital Tomography using Short Laser Pulses
• Effective ATI Channels in High Harmonic Generation
• Quantum Theory of High Harmonic Generation via Above Threshold Ionization and Stimulated Recombination
• The effect of dressing on high-order harmonic generation in vibrating H${}_2$ molecules
• Control of recollision wave packets for molecular orbital tomography using short laser pulses

Cited by in corpus (4)

• Above-Threshold Ionization and Laser-Induced Electron Diffraction in Diatomic Molecules
• Above-threshold ionization (ATI) in multicenter molecules: the role of the initial state
• Tomographic reconstruction of molecular orbitals with twofold mirror antisymmetry: overcoming the nodal plane problem
• Variational Quantum Simulation of Chemical Dynamics with Quantum Computers