PEPSI groups : contributions for Fast Ignition

PEPSI groups :
contributions for Fast Ignition
April 16th 2009, L. Hallo
CELIA activity within
F. I. schemes
Interface with WP9:
1D estimations for compression design
Shock ignition ab-initio studies
Link between WP9 and WP10
Hole boring
Monthly report to WP10, WP9 coordinator
6 CELIA experiments in 2008 (SXPI, Fusion and
PEPSI groups)
8 experiments already planned for 2009 and 2010
2
PEPSI group
(Préparation d’Expériences
Petawatt et Simulations Intégrées)
Creation: April 2008
Link between CEA/CESTA laser facilities (ALISE, LIL, PETAL) and
external users (referent scientists)
Link with DSM labs (IRFU, IRAMIS)
Design of new experiments and physical modelling
Contribution to experiments
Interpretation
PEPSI group is involved in
Development of new diagnostics for PETAL
Protons – production, transport, diagnostics and applications
Cone survival, sliding
Hydrodynamic instabilities
+ Plasma Physics in large laser environment in collaboration with « Plasmas
Chauds » and « SXPI » CELIA groups
3
-
PEPSI group :Members
…
Philippe Alassimone (DSM) bat. ILP
Céline Beaucourt (Thesis « Région Aquitaine »)
Claude Fourment (DAM)
Ghita Geoffroy (DSM)
Ludovic Hallo (DAM) in charge of the group
Sébastien Hulin (DAM)
Gérard Malka (Université Bordeaux1)
Collaborations
Groupes Plasma Chaud - SXPI, LULI, LOA, CESTA, DIF…
Actions within HiPER WP9, WP10…(WP8, WP12 ?)
Actions within PHARE, MHEDOC
Astrophysics (ASTRO, OPAC groups), LIL experiment 2010
4
2008 «PEPSI-CELIA» experiments
2008: ALISE - PI G. Malka
+ G. Geoffroy, L. Hallo
Dense plasma diagnostics by proton, proton energy transport
2008: ALISE - PI L. Hallo, T. De Resseguier
+ G. Geoffroy, G. Malka, C. Fourment
Debris generation in PW gold cone
Deliverables :Lescoute et al., PoP 2008
5
2009 « CELIA » experiments
2009: TITAN, LLNL - PI A. MacKinnon
+ J.J. Santos, B. Vauzour
Influence of the density gradients at critical density on the fast
electron generation
2009: ALISE - PI L. Hallo
+ G. Malka, C. Fourment, G. Geoffroy
Cone survival, defomration
+ contribution to laboratory atrophysics (OPAC and ASTRO
groups): contribution to experiment design and results
analysis, validation of 3D codes, EoS radiative properties
6
Other
« CELIA » experiments in 2009
Oct-Nov 2009: LULI2000 - PI P. Norreys
+ J.J. Santos, C. Fourment, F. Dorchies, S. Hulin, Ph. Nicolaï, B. Vauzour
Fast electron generation at high contrast (2ω ps laser pulses)
2009: PALS - PI D. Batani
+ G. Schurtz, X. Ribeyre, M. Lafon
Shock ignition
2009: ALISE - PI G. Riazuelo
+ S. Montant, Ph. Nicolaï, V.T.Tikhonchuk + collaboration with Max-Planck-Institute, CEA/CESTA DIF,
Ecole Polytechnique
Laser beam smoothing
2009: PHELIX (GSI) - PI D. Batani (proposal under evaluation)
+ J.J. Santos, B. Vauzour
Cone physics, role of magnetic field in fast electron transport
2010 ? : ALISE - PI G. Malka
+ C. Beaucourt, G. Geoffroy, L. Hallo + collaboraion with LCD and CESTA
Proton generation and alternative to FI design, plasma probing
2009-2010 ? : UHI100 - PI G. Malka
+ C. Beaucourt + collaboration with C. Courtois
Proton generation from thin foils after laser interaction on gas jet
7
20 Mars 2009
Réunion de préparation sur la campagne expérimentale sur
ALISE sur le « Contrôle de la propagation d’un faisceau lissé
spatialement dans un plasma de faible densité et dépendance
avec l’amortissement acoustique »
Collaboration entre :
CEA/DIF/DPTA
CEA/CESTA/DLP
CEA/DIF/DCRE
MPIPKS
CELIA
CPHT
Cone Survival
PI: L. Hallo
+ G. Malka, G. Geoffroy, C. Fourment
ALISE 2008 in collaboration with LCD / Poitiers (T. De Resseguier)
ALISE 2009 in collaboration with CESTA (D. Hébert, J.-M. Chevalier),
LCD / Poitiers
2010 ?
Expected results:
1/ Debris in the cone (consequence on PW interaction)
2/ cone deformation (pollution and debris in the hot spot)
Deliverables:
PoP Lescoute et al. 2008 (debris)
and in near future: Cluster formation in ns and fs regimes, validation of a
predictive modeling tool for « real size » laser campaigns
9
Particle generation after interaction with thin foils
21-26th July 2008 ALISE, PI G. Malka
Correlation between electrons generation and transport
vs protons generation
I~1e+19 W/cm2
20 J
1ω0
Al
Heating due
to electron
transport
Al
4 cm
preplasma
Evolution of
the foil with
time
Critical
density
RCF pile-up(+ CR-39) :
φ=2.6cm
RCF1
(saturated)
RCF2
RCF3
Analysis - sensitogramme CEA-CESTA : DO=f(NG)
RCF4
RCF5
Laboratory astrophysics