Title :
Laser induced tunneling in less than 12 attoseconds: Instantaneous or invalid concept?
Author :
Pfeiffer, Adrian N. ; Eckle, Petrissa ; Cirelli, Claudio ; Staudte, André ; Dörner, Reinhard ; Muller, Harm Geert ; Keller, Ursula
Author_Institution :
Phys. Dept., ETH Zurich, Zurich, Switzerland
Abstract :
We use attosecond angular streaking to place an intensity-averaged upper limit of 12 attoseconds on the tunneling delay time in strong field ionization of helium. This is far shorter than most tunneling times discussed before.
Keywords :
atom-photon collisions; helium; high-speed optical techniques; laser beams; photoionisation; quantum optics; tunnelling; attosecond angular streaking; helium atom; laser induced tunneling; strong field ionization; tunneling delay time; Atom lasers; Atom optics; Atomic beams; Delay effects; Free electron lasers; Ionization; Laser theory; Optical pulses; Pulse measurements; Tunneling; (020.2649) Strong field laser physics; 020.4180) Multiphoton processes;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
