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Conferences > QELS > 1999 > JTuD > JTuD3
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1999),
  • paper JTuD3

Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet

A. Maksimchuk, S. Gu, K. Flippo, S.Y. Chen, D. Umstadter, G. Mourou, G.S. Sarkisov, V. Yu. Bychenkov, V.N. Novikov, and V.T. Tikhonchuk

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Abstract

An interaction of ultra-high intensity short laser pulses with underdense plasma is of considerable interest from the standpoint of basic physics and potential application for advanced inertial confinement fusion, x-ray lasers and particle accelerators.1–3 The ultra-high electromagnetic fields in the laser focus produce extremely high pondermotive force that expels free electrons from the laser axis and relativistically modify the electron mass, plasma frequency and the plasma refractive index so that the plasma acts as a positive lens.

© 1999 Optical Society of America

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