High Harmonic Generation at Long Wavelengths

Journal Article · Mon Dec 20 00:00:00 EST 1999 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.83.5270· OSTI ID:20215108

Sheehy, B ^[1]; Martin, J D. D. ^[1]; DiMauro, L F ^[1]; Agostini, P ^[2]; Schafer, K J ^[3]; Gaarde, M B ^[3]; Kulander, K C ^[4]

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1. Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973 (United States)
2. SPAM, Centre d'Etudes de Saclay, 91191 Gif Sur Yvette, (France)
3. Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001 (United States)
4. TAMP, Lawrence Livermore National Laboratory, Livermore, California 94551 (United States)

High harmonic radiation spectra up to 19th order in alkali metal vapors excited by an intense, picosecond mid-infrared (3-4 {mu} m ) laser are reported and compared to theory. The strong-field dynamics in the alkali metal atoms exhibit significant differences from all previously studied systems due to the strong coupling between their ground and first excited states. (c) 1999 The American Physical Society.

• OSTI ID: 20215108
• Journal Information: Physical Review Letters, Vol. 83, Issue 25; Other Information: PBD: 20 Dec 1999; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
HARMONIC GENERATION
PHOTON-ATOM COLLISIONS
LASER RADIATION
ALKALI METALS
GROUND STATES
EXCITED STATES
POTASSIUM
RUBIDIUM
EXPERIMENTAL DATA
THEORETICAL DATA