Analytic Description of the High-Energy Plateau in Harmonic Generation by Atoms: Can the Harmonic Power Increase with Increasing Laser Wavelengths?
M. V. FrolovDepartment of Physics, Voronezh State University, Voronezh 394006, RussiaN. L. ManakovDepartment of Physics, Voronezh State University, Voronezh 394006, RussiaT. S. SarantsevaDepartment of Physics, Voronezh State University, Voronezh 394006, RussiaM. Yu. EmelinInstitute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, RussiaM. Yu. RyabikinInstitute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, RussiaAnthony F. StaraceDepartment of Physics and Astronomy, The University of Nebraska, Lincoln, Nebraska 68588-0111, USA
2009en
ABI
Abstract
A closed-form analytic formula for high-order harmonic generation (HHG) rates for atoms (that generalizes an HHG formula for negative ions [M. V. Frolov, J. Phys. B 42, 035601 (2009)10.1088/0953-4075/42/3/035601]) is used to study laser wavelength scaling of the HHG yield for harmonic energies in the cutoff region of the HHG plateau. We predict increases of the harmonic power for HHG by Ar, Kr, and Xe with increasing wavelength lambda over atom-specific intervals of lambda in the infrared region, lambda approximately (0.8-2.0) microm.
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Cited by 30 references