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Title: Thomson scattering in high-intensity chirped laser pulses

We consider the Thomson scattering of an electron in an ultra-intense laser pulse. It is well known that at high laser intensities, the frequency and brilliance of the emitted radiation will be greatly reduced due to the electron losing energy before it reaches the peak field. In this work, we investigate the use of a small frequency chirp in the laser pulse in order to mitigate this effect of radiation reaction. It is found that the introduction of a negative chirp means the electron enters a high frequency region of the field while it still has a large proportion of its original energy. This results in a significant enhancement of the frequency and intensity of the emitted radiation as compared to the case without chirping.
Authors:
 [1] ; ;  [2]
  1. Department of Physics, Birla Institute of Technology and Science, Pilani, Rajasthan 333031 (India)
  2. Department of Applied Physics, Chalmers University of Technology, SE-41296 Gothenburg (Sweden)
Publication Date:
OSTI Identifier:
22486451
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 22; Journal Issue: 10; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRONS; LASER RADIATION; PULSES; THOMSON SCATTERING