We study the polarization of the harmonics generated by a homonuclear diatomic molecule in the presence of an intense, linearly polarized laser field. The polarization parameters of the emitted radiation are investigated as function of the angle $\theta$ between the laser electric field and the molecular axis. The calculations are carried out by assuming a single active electron model with fixed nuclei; a two-dimensional model of the system is used. We find a different dependence of the parameters of the harmonics vs $\theta$ in the first or second half of the emitted spectrum. In particular, the differences are accentuated for $0^\circ < \theta < 50^\circ$, while for higher angles, until the perpendicular orientation, almost all the harmonics present similar characteristics

CASTIGLIA, G., CORSO, P.P., DANIELE, R., FIORDILINO, E., MORALES, F. (2013). Polarization of high harmonic generated spectra in ion. JOURNAL OF MODERN OPTICS, 00 [10.1080/09500340.2013.793417].

### Polarization of high harmonic generated spectra in ion

#### Abstract

We study the polarization of the harmonics generated by a homonuclear diatomic molecule in the presence of an intense, linearly polarized laser field. The polarization parameters of the emitted radiation are investigated as function of the angle $\theta$ between the laser electric field and the molecular axis. The calculations are carried out by assuming a single active electron model with fixed nuclei; a two-dimensional model of the system is used. We find a different dependence of the parameters of the harmonics vs $\theta$ in the first or second half of the emitted spectrum. In particular, the differences are accentuated for $0^\circ < \theta < 50^\circ$, while for higher angles, until the perpendicular orientation, almost all the harmonics present similar characteristics
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CASTIGLIA, G., CORSO, P.P., DANIELE, R., FIORDILINO, E., MORALES, F. (2013). Polarization of high harmonic generated spectra in ion. JOURNAL OF MODERN OPTICS, 00 [10.1080/09500340.2013.793417].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/75402
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