Abstract

We study numerically the generation of high-order harmonics by two-center molecules for arbitrary angles between the molecular axis and the laser polarization axis. For fixed angle, the harmonic spectrum exhibits a minimum at a frequency which is independent of the laser parameters. The amplitude of each harmonic is strongly angle dependent, and a pronounced minimum is found at the same angle where a sudden jump in the harmonic phase occurs. By calculating the spatial dependence of the harmonic amplitudes and phases, we are able to explain these effects in terms of interfering contributions from various regions within the molecule.

Keywords

HarmonicsHigh harmonic generationAmplitudePhysicsLaserHarmonicPolarization (electrochemistry)Surface second harmonic generationPhase (matter)Harmonic spectrumOpticsAtomic physicsMolecular physicsQuantum mechanicsVoltage

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Publication Info

Year
2002
Type
article
Volume
88
Issue
18
Pages
183903-183903
Citations
506
Access
Closed

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Cite This

Manfred Lein, N. Hay, Raffaele Velotta et al. (2002). Role of the Intramolecular Phase in High-Harmonic Generation. Physical Review Letters , 88 (18) , 183903-183903. https://doi.org/10.1103/physrevlett.88.183903

Identifiers

DOI
10.1103/physrevlett.88.183903