Terry Kammash - NASA's Institute for Advanced Concepts

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Beam Profile Dependenceon Initial Target CompositionRCF (a,c,e,g) / CR-39 (b,d,f,h) detector stack images <strong>for</strong> 13µm Mylar, 10 µm silicon,12.5 µm aluminum, and 12.5 µm copper targets. All pairs are single shot except (c) and(d) which were two separate shots. RCF records protons between ~0.2 and ~2 MeV, CR-39records protons between ~2.5- ~4 MeV. Except (d) which recorded between ~1.2 MeV and 3 MeV
(a) 4 µm, (b) 12.5 µm, (c) 25 µm, (d) 50 µm, and (e) 75 µmBeam Profile Dependenceon Target Thickness(a) 6 µm, (b) 13 µm , (c) 25 µm, (d) 50 µm, and (e) 100 µmCall out: White arrowspoint to beamfilamentation, mostlikely a manifestationof the Weibel,instability.
Page 1 and 2: Ultrafast Laser-DrivenPlasma for Sp
Page 3 and 4: Front Surface Deuteron Acceleration
Page 5: Material Effect on ProtonProduction
Page 9 and 10: Magnetic Field from Simulation vs.P
Page 11 and 12: Protons From Front Surface1614Maxim
Page 13 and 14: Deuteron AccelerationDeuteron coati
Page 15 and 16: Peak Proton Energyvs. Spot Size6000
Page 17 and 18: Spot Size Comparison120Total Intens
Page 19 and 20: Plume Evolution in 1 Torr H 2Ambien
Page 21 and 22: Target GeometryWire orientation:~10
Page 23 and 24: Proton RadiographyThin Film TargetT
Page 25 and 26: Proton Acceleration Summary• Simu
Page 27 and 28: Physics ContinuedEnergy conservatio
Page 29 and 30: ContinuedThe Ion EnergyE i =ZE b =Z
Page 31 and 32: Two Asymptotic Regimes forIon Accel
Page 33 and 34: Relationship Between Ion Energy,Las
Page 35 and 36: An ExampleI=10 21 W/cm 2η=0.10R=2.
Page 37 and 38: Plasma Expansion in VacuumIon accel
Page 39 and 40: Accomplishments Thus Far1. Generate
Page 41 and 42: Accomplishments Thus Far4. Experime

Terry Kammash - NASA's Institute for Advanced Concepts

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