Nonlinear optics above the power threshold for relativistic self-focusing

Research output: Contribution to conferencePaper

Abstract

Recent advances in laser technology has heightened interest in the nonlinear interaction of high-density and ultrashort laser pulses with plasmas, where electrons are accelerated by plasma waves. The field gradient of a plasma wave is shown to exceed that of an RF linac four times and accelerates a picosecond bunch of electrons with over 1-nC of charge per bunch in a low-emittance beam. Electron acceleration over distances exceeding the Rayleigh range is also demonstrated. The self-focused laser pulse exerts enormous pressure on the plasma which forms a hollow density cavity in the wake of the laser pulse along the laser axis. This density channel acts as a waveguide that can guide a second collinear intense laser pulse well beyond the Rayleigh range.

Original languageEnglish (US)
Pages74-75
Number of pages2
StatePublished - Jan 1 1998
EventProceedings of the 1998 International Quantum Electronics Conference - San Francisco, CA, USA
Duration: May 3 1998May 8 1998

Other

OtherProceedings of the 1998 International Quantum Electronics Conference
CitySan Francisco, CA, USA
Period5/3/985/8/98

Fingerprint

self focusing
nonlinear optics
thresholds
lasers
plasma waves
pulses
electron acceleration
electron plasma
emittance
wakes
hollow
waveguides
gradients
cavities
electrons
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Umstadter, D. P. (1998). Nonlinear optics above the power threshold for relativistic self-focusing. 74-75. Paper presented at Proceedings of the 1998 International Quantum Electronics Conference, San Francisco, CA, USA, .

Nonlinear optics above the power threshold for relativistic self-focusing. / Umstadter, Donald P.

1998. 74-75 Paper presented at Proceedings of the 1998 International Quantum Electronics Conference, San Francisco, CA, USA, .

Research output: Contribution to conferencePaper

Umstadter, DP 1998, 'Nonlinear optics above the power threshold for relativistic self-focusing' Paper presented at Proceedings of the 1998 International Quantum Electronics Conference, San Francisco, CA, USA, 5/3/98 - 5/8/98, pp. 74-75.
Umstadter DP. Nonlinear optics above the power threshold for relativistic self-focusing. 1998. Paper presented at Proceedings of the 1998 International Quantum Electronics Conference, San Francisco, CA, USA, .
Umstadter, Donald P. / Nonlinear optics above the power threshold for relativistic self-focusing. Paper presented at Proceedings of the 1998 International Quantum Electronics Conference, San Francisco, CA, USA, .2 p.
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