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Static-electric-field effects on high harmonic generation

Min-Qi Bao and Anthony F. Starace
Phys. Rev. A 53, R3723(R) – Published 1 June 1996
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Abstract

High harmonic generation in the presence of a static electric field is analyzed theoretically by an extension of the zero-range potential model treatment of Becker et al. [Phys. Rev. A 50, 1540 (1994)]. For H and a CO2 laser of 5 × 1010 W/cm2 intensity, a static electric field of 100 kV/cm is shown to produce a plateau from the 3rd to the 23rd harmonic in which neighboring even and odd harmonics are of comparable intensity. Furthermore, odd harmonics on the plateau are one or more orders of magnitude more intense than in the absence of the static electric field. Dependence of emission rates on laser intensity and results for harmonic generation by Ar are also presented.

  • Received 21 December 1995

DOI:https://doi.org/10.1103/PhysRevA.53.R3723

©1996 American Physical Society

Authors & Affiliations

Min-Qi Bao* and Anthony F. Starace

  • Institute for Theoretical Atomic and Molecular Physics, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street MS-14, Cambridge, Massachusetts 02138

  • *Permanent address: Quantum Development Corporation, 2700 Philadelphia Pike, Claymont, DE 19703.
  • Permanent address: Department of Physics and Astronomy, The University of Nebraska-Lincoln, 116 Brace Laboratory, Lincoln, NE 68588-0111.

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Vol. 53, Iss. 6 — June 1996

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