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Title: Single attosecond pulse generation by nonlinear Thomson scattering in a tightly focused intense laser beam

Abstract

The relativistic nonlinear Thomson scattering of a tightly focused intense laser pulse by an electron is investigated, and the temporal and spectral characters of the radiation are discussed. In a tightly focused laser pulse with an intensity of approximately 10{sup 20} W/cm{sup 2} and a pulse duration of 20 fs, the electron is scattered away from the focus quickly by the ponderomotive force and therefore the radiation emitted at the focus is much higher than that at other regions. As a result, a single ultrashort pulse of 3.8 as is generated and its corresponding spectrum is broadened to 200 orders of the frequency of the driving laser. With increasing the laser intensity, the signal-to-noise of the radiated pulse increases, and the pulse duration decreases. Moreover, the phase behavior of the spectral components and the dependence of the radiated power on the laser intensity are discussed.

Authors:
; ;  [1]
  1. State Key Laboratory of Laser Technology and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074 (China)
Publication Date:
OSTI Identifier:
20782469
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 13; Journal Issue: 1; Other Information: DOI: 10.1063/1.2164459; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRODYNAMICS; ELECTRONS; EMISSION; LASER RADIATION; LASERS; NOISE; NONLINEAR PROBLEMS; PONDEROMOTIVE FORCE; PULSES; RELATIVISTIC RANGE; THOMSON SCATTERING

Citation Formats

Lan Pengfei, Lu Peixiang, and Cao Wei. Single attosecond pulse generation by nonlinear Thomson scattering in a tightly focused intense laser beam. United States: N. p., 2006. Web. doi:10.1063/1.2164459.
Lan Pengfei, Lu Peixiang, & Cao Wei. Single attosecond pulse generation by nonlinear Thomson scattering in a tightly focused intense laser beam. United States. doi:10.1063/1.2164459.
Lan Pengfei, Lu Peixiang, and Cao Wei. Sun . "Single attosecond pulse generation by nonlinear Thomson scattering in a tightly focused intense laser beam". United States. doi:10.1063/1.2164459.
@article{osti_20782469,
title = {Single attosecond pulse generation by nonlinear Thomson scattering in a tightly focused intense laser beam},
author = {Lan Pengfei and Lu Peixiang and Cao Wei},
abstractNote = {The relativistic nonlinear Thomson scattering of a tightly focused intense laser pulse by an electron is investigated, and the temporal and spectral characters of the radiation are discussed. In a tightly focused laser pulse with an intensity of approximately 10{sup 20} W/cm{sup 2} and a pulse duration of 20 fs, the electron is scattered away from the focus quickly by the ponderomotive force and therefore the radiation emitted at the focus is much higher than that at other regions. As a result, a single ultrashort pulse of 3.8 as is generated and its corresponding spectrum is broadened to 200 orders of the frequency of the driving laser. With increasing the laser intensity, the signal-to-noise of the radiated pulse increases, and the pulse duration decreases. Moreover, the phase behavior of the spectral components and the dependence of the radiated power on the laser intensity are discussed.},
doi = {10.1063/1.2164459},
journal = {Physics of Plasmas},
number = 1,
volume = 13,
place = {United States},
year = {Sun Jan 15 00:00:00 EST 2006},
month = {Sun Jan 15 00:00:00 EST 2006}
}