Title :
Ramsey interferometry with photons
Author :
Maurer, Johannes ; Ludwig, Arne ; Mayer, B.W. ; Phillips, C.R. ; Gallmann, L. ; Keller, Ulrich
Author_Institution :
Dept. of Phys., ETH Zurich, Zurich, Switzerland
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.
Keywords :
laser beams; momentum; photoionisation; beam pressure; dipole approximation breakdown; electron momentum shift; midinfrared laser field; strong field ionization; Approximation methods; Data models; Gas lasers; Ionization; Laser beams; Magnetic fields;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
