Terry Kammash - NASA's Institute for Advanced Concepts

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Target GeometryRadius ofcurvature~ 0.2 mm>1.4 MeV, 55º div.@ 1.5x10 19 W/cm 2>2 MeV, 38º div.@ 1.2x10 19 W/cm 2LaserCurved TargetGeometry25 µm AlTargetRadius ofcurvature~ 0.5 mmTargetHolderProtons> 1.4 MeV, 44º div.@ 1.6x10 19 W/cm 2> 3 MeV, 28º div.@ 1.2x10 19 W/cm 2
Target GeometryWire orientation:~100 Micron Half Wire Cross-sectionsFocus onflat surfaceProtonsCR-39Focus onround surfaceProtonsProtonsLaserLaserFlatWire positionRoundBeam Images:Focusing on flat surface(840) creates an ionbeam, while focusing onthe round side producesa cylindrical-like spraylaserlaser
Page 1 and 2: Ultrafast Laser-DrivenPlasma for Sp
Page 3 and 4: Front Surface Deuteron Acceleration
Page 5 and 6: Material Effect on ProtonProduction
Page 7 and 8: (a) 4 µm, (b) 12.5 µm, (c) 25 µm
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: Plume Evolution in 1 Torr H 2Ambien
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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