학술논문

Breakdown of dipole approximation in strong field ionization
Document Type
Conference
Source
2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications Lasers and Electro-Optics (CLEO), 2014 Conference on. :1-2 Jun, 2014
Subject
Photonics and Electrooptics
X-ray lasers
Harmonic analysis
Atom lasers
Frequency conversion
Ions
Atomic beams
Language
ISSN
2160-8989
Abstract
Ionization with a few-cycle mid-infrared laser field results in an electron momentum shift directed opposite to the beam pressure. This result represents a breakdown of the dipole approximation, in contrast to previous observations of photon-momentum-transfer.