Attosecond Time-Resolved Autoionization of Argon
Journal Article
·
· Physical Review Letters
- J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506 (United States)
- Department of Physics, Shanghai Jiaotong University, Shanghai 200240 (China)
Autoionization of argon atoms was studied experimentally by transient absorption spectroscopy with isolated attosecond pulses. The peak position, intensity, linewidth, and shape of the 3s3p{sup 6}np {sup 1}P Fano resonance series (26.6-29.2 eV) were modified by intense few-cycle near infrared laser pulses, while the delay between the attosecond pulse and the laser pulse was changed by a few femtoseconds. Numerical simulations revealed that the experimentally observed splitting of the 3s3p{sup 6}4p {sup 1}P line is caused by the coupling between two short-lived highly excited states in the strong laser field.
- OSTI ID:
- 21466989
- Journal Information:
- Physical Review Letters, Vol. 105, Issue 14; Other Information: DOI: 10.1103/PhysRevLett.105.143002; (c) 2010 American Institute of Physics; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
ABSORPTION SPECTROSCOPY
ARGON
ATOMS
AUTOIONIZATION
COMPUTERIZED SIMULATION
COUPLING
EV RANGE
EXCITED STATES
LASER RADIATION
P STATES
PULSES
RESONANCE
TIME RESOLUTION
TRANSIENTS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
FLUIDS
GASES
IONIZATION
NONMETALS
RADIATIONS
RARE GASES
RESOLUTION
SIMULATION
SPECTROSCOPY
TIMING PROPERTIES
ABSORPTION SPECTROSCOPY
ARGON
ATOMS
AUTOIONIZATION
COMPUTERIZED SIMULATION
COUPLING
EV RANGE
EXCITED STATES
LASER RADIATION
P STATES
PULSES
RESONANCE
TIME RESOLUTION
TRANSIENTS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
FLUIDS
GASES
IONIZATION
NONMETALS
RADIATIONS
RARE GASES
RESOLUTION
SIMULATION
SPECTROSCOPY
TIMING PROPERTIES