Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
FIREX project and effects of self-generated electric and magnetic fields on electron-driven fast ignition.
Year:2010
Research Areas
  • Mechanical aeronautics and naval engineering
Information
Abstract
Fast ignition is a new scheme in laser fusion, in which higher energy gain with a smaller laser pulse energy is expected. A cone target has been introduced for realizing higher coupling efficiency. At ILE, Osaka University, a laser with four beams and a total output of 10 kJ ps¿1, laser for fast ignition experiment (LFEX), has been constructed and we have carried out an integrated experiment with one beam of the LFEX. Through experiments it was found that the coupling efficiency is degraded when the laser pre-pulse is not sufficiently small. Namely, the main pulse is absorbed in the long-scale pre-plasma produced by the pre-pulse and the hot electron energy is higher than that for a clean pulse. Furthermore, the distance between the hot electron source and the core plasma is large. Hence, we are exploring how to overcome the pre-pulse effects on the cone target.
International
Si
JCR
No
Title
Plasma Phys. Control. Fusion
ISBN
1361-6587
Impact factor JCR
0
Impact info
Volume
52
Journal number
From page
1
To page
6
Month
ENERO
Ranking
Participants
  • Participante: A. SUNAHARA (Institute of Laser Engineering,)
  • Participante: H. AZECHI (Institute of Laser Engineering,)
  • Participante: T. NAKAMURA (Institute of Laser Engineering,)
  • Participante: K. MIMA (Graduate School for the Creation of New Photonics Industries y UPM)
  • Participante: H. NISHIMURA (Institute of Laser Engineering,)
  • Autor: Pedro Velarde Mayol (UPM)
  • Participante: C. GARCIA (,)
  • Participante: H. SHIRAGA (Institute of Laser Engineering,)
  • Participante: H. NAGATOMO (Institute of Laser Engineering,)
  • Participante: T. JOHZAKI (Institute of Laser Engineering,)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Fusión Nuclear Inercial y Tecnología de fusión
  • Centro o Instituto I+D+i: Instituto de Fusión Nuclear
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)