Interference patterns Ionization 10 Atoms 8 Coherent superpositions 8 Above-threshold ionization 6 Dinger equation 6 Interference structures 6 Strong field ionization 6 Time-dependent 6 Analytical expressions 4 Atom lasers 4 Diffraction 4 Diffraction process 4 Electron emission 4 Electron trajectories 4 Emission spectroscopy 4 Ionization potential 4 Laser pulses 4 Momentum distributions 4 Optical cycles 4 Perturbation techniques 4 Photo-electron emission 4 Photoelectron spectroscopy 4 Photoelectrons 4 Photons 4 Semi-classical approximation 4 Short laser pulse 4 Strong-field approximations 4 Sub-cycle 4 Three dimensional 4