6533b858fe1ef96bd12b5b43
RESEARCH PRODUCT
Use of three detuned lasers to generate isolated attosecond pulses
Pietro Paolo CorsoGianfranco OrlandoEmilio Fiordilinosubject
PhysicsSettore FIS/02 - Fisica Teorica Modelli E Metodi MatematiciField (physics)business.industryAttosecondPhysics::OpticsSemiclassical physicsHHG attosecond pulsesLaserSettore FIS/03 - Fisica Della MateriaAtomic and Molecular Physics and Opticslaw.inventionWavelengthOpticslawElectric fieldAtomPhysics::Atomic PhysicsbusinessEnvelope (waves)description
The dynamics of a one-dimensional atom driven by three-laser fields is investigated. The total electric field is made up of a fundamental laser field of intensity W cm−2 and wavelength λ = 820 nm and two weak lasers with larger wavelengths. The intensity of the two weak fields is with k = 0.25. The frequencies of the weak fields are and , with and . The three lasers have a Gaussian envelope of 72 fs FWHM. It is shown, by numerical computation and using the semiclassical theory of high-harmonic generation, that the atom interacting with this combined field is able to emit an isolated attosecond burst of radiation.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2010-11-20 | Journal of Modern Optics |