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Electron acceleration in vacuum induced by a tightly focused chirped laser pulse

Source: Appl. Phys. Lett. 96, 031103 (2010); doi:10.1063/1.3294634

Published 19 January 2010

KEYWORDS and PACS
Keywords
PACS
  • 42.79.-e
    Optical elements, devices, and systems
  • 42.60.Fc
    Laser beam modulation, tuning, and mode locking
  • 42.65.Re
    Ultrafast processes; optical pulse generation and pulse compression
  • 42.25.Fx
    Optical diffraction and scattering
  • YEAR: 2010
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PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef AIP
Jian-Xing Li (栗建兴),1 Wei-Ping Zang (臧维平),1 and Jian-Guo Tian (田建国)1,2
1The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School, Nankai University, Tianjin 3000457, People's Republic of China
2Photonics Center, School of Physics, Nankai University, Tianjin 300071, People's Republic of China
Electron acceleration in vacuum induced by a tightly focused chirped laser pulse has been studied. For a fixed laser output power, the tightly focused chirped laser pulse can accelerate electrons to much higher energies. Focusing laser down to the order of wavelength requires inclusion of terms of third order at least in the diffraction angle epsilon in the description of the associated field. Retained electron energy depends strongly on frequency chirp parameter and initial position of the electron. Besides, retained energy increases with laser intensity, pulse duration, and initial velocity of electron, and varies periodically with laser constant phase. ©2010 American Institute of Physics
History: Received 25 October 2009; accepted 29 December 2009; published 19 January 2010
Permalink: http://link.aip.org/link/?APPLAB/96/031103/1

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