Linked attosecond phase interferometry for molecular frame measurements

Linked attosecond phase interferometry for molecular frame measurements

High-harmonic spectroscopy uses attosecond techniques to measure single-atom or molecule photorecombination crosssections. Whereas the amplitude of the extreme-ultraviolet light is easily measurable, the phase is more challenging to access. However, the phase contains information necessary for tomographic imaging of the molecular orbital wavefunction with attosecond–ångström resolution. Present...

ETH Library Linked Attosecond Phase Interferometry for Molecular Frame Measurements

High-harmonic spectroscopy utilizes attosecond techniques to measure single-atom or molecule photorecombination cross sections [1–4]. While the amplitude of the extreme ultraviolet (XUV) light can be easily measured, the phase is much more challenging to access, yet it contains information about the attosecond synchronization of electron recollision dynamics [5], the instantaneous ionization po...

Reflective interferometry for optical metamaterial phase measurements.

The unambiguous determination of optical refractive indices of metamaterials is a challenging task for device applications and the study of new optical phenomena. We demonstrate here simple broadband phase measurements of metamaterials using spectrally and spatially resolved interferometry. We study the phase response of a π-shaped metamaterial known to be an analog to electromagnetically induc...

Attosecond electron wave packet interferometry

Molecular Frame Reconstruction Using Time-Domain Photoionization Interferometry.

Photoionization of molecular species is, essentially, a multipath interferometer with both experimentally controllable and intrinsic molecular characteristics. In this work, XUV photoionization of impulsively aligned molecular targets (N_{2}) is used to provide a time-domain route to "complete" photoionization experiments, in which the rotational wave packet controls the geometric part of the p...