Fast Electron Angular Distribution and Conversion Efficiency Dependence on Laser Wavelngth and Pre-Puls

POSTER

Abstract

Experiments have been conducted using the Titan high-intensity laser ($50J$, $700fs$, $5\times10^{19}Wcm^{-2}$ at $2\omega$) to measure fast electron angular distribution and conversion efficiency from solid, multilayer targets using Hard X-ray Bremsstrahlung Spectrometers (HXBS) with 1$\omega$ and 2$\omega$ Nd:Glass laser pulses. An artificial pre-pulse from the Titan long pulse beam was then injected coaxially to the short pulse beam allowing for a systematic study of the effects of pre-pulse on fast electrons. Subsequent simulations were run using Integrated Tiger Suite (ITS) and Zuma to substantiate experimental data. The scaling of electron temperature, divergence, and conversion efficiency with pre-pulse will be presented.

*This work was performed under the auspices of the U.S. DOE by LLNL under Contract DE-AC52-07NA27344.

Authors

  • Leonard Jarrott

    • UCSD

  • Drew Higginson

    • University of California-San Diego, La Jolla, California 92093, USA
    • UCSD/LLNL
    • UCSD

  • Anna Sorokovikova

    • U California San Diego
    • UCSD

  • Brad Westover

    • University of California San Diego
    • UCSD

  • Cliff Chen

    • Lawrence Livermore National Laboratory
    • LLNL

  • Harry McLean

    • LLNL
    • Lawrence Livermore National Laboratory

  • Prav Patel

    • LLNL
    • Lawrence Livermore National Laboratory

  • Tony Link

    • LLNL
    • Ohio State University

  • Hal Friesen

    • U of A
    • University of Alberta

  • Allan Beaudry

    • University of Alberta

  • Jeffrey Tait

    • University of Alberta

  • Jocelyn Westwood

    • University of Alberta

  • Henry Tiedje

    • U of A
    • University of Alberta

  • Ying Tsui

    • U of A
    • University of Alberta

  • R. Fedosejevs

    • U of A
    • U of Alberta
    • University of Alberta
    • Univ. of Alberta, Canada

  • Farhat Beg

    • UCSD
    • UC San Diego
    • University of California San Diego
    • U California San Diego
    • University of California-San Diego, La Jolla, California 92093, USA
    • University of California-San Diego, USA