Accurate Retrieval of Structural Information from Laser-Induced Photoelectron and High-Order Harmonic Spectra by Few-Cycle Laser Pulses

Toru Morishita, Anh-Thu Le, Zhangjin Chen, and C. D. Lin
Phys. Rev. Lett. 100, 013903 – Published 8 January 2008

Abstract

By analyzing accurate theoretical results from solving the time-dependent Schrödinger equation of atoms in few-cycle laser pulses, we established the general conclusion that laser-generated high-energy electron momentum spectra and high-order harmonic spectra can be used to extract accurate differential elastic scattering and photo-recombination cross sections of the target ion with free electrons, respectively. Since both electron scattering and photoionization (the inverse of photo-recombination) are the conventional means for interrogating the structure of atoms and molecules, this result implies that existing few-cycle infrared lasers can be implemented for ultrafast imaging of transient molecules with temporal resolution of a few femtoseconds.

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  • Received 19 July 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.013903

©2008 American Physical Society

Authors & Affiliations

Toru Morishita1,2, Anh-Thu Le1, Zhangjin Chen1, and C. D. Lin1

  • 1Department of Physics, Cardwell Hall, Kansas State University, Manhattan, Kansas 66506, USA
  • 2Department of Applied Physics and Chemistry, University of Electro-Communications, 1-5-1 Chofu-ga-oka, Chofu-shi, Tokyo, 182-8585, Japan and PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan

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Vol. 100, Iss. 1 — 11 January 2008

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