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Advantages of a soft protective layer for good signal-to-noise ratio proton radiographs in high debris environments |
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| Authors: | Nathalie Renard-Le Galloudec J Cobble SL Nelson A Merwin Y Paudel I Shrestha GC Osborne KM Williamson VL Kantsyrev |
| Institution: | aNevada Terawatt Facility, Physics Department, University of Nevada, Reno, NV 89557, USA;bLos Alamos National Laboratory, Los Alamos, NM 87545, USA;cLawrence Livermore National Laboratory, Livermore, CA 94550, USA;dPhysics Department, University of Nevada, Reno, NV 89557, USA |
| Abstract: | Proton radiography is a very powerful diagnostic but in some high debris environments it may be challenging to get a good signal-to-noise ratio radiograph to gain insights into the electric and magnetic field topology, and thus the basic physics. Such environments are produced for example on z-pinches and also on lasers such as the National Ignition Facility. We demonstrate here the feasibility of clean, very high signal-to-noise ratio proton radiographs in extremely hostile environments. |
| Keywords: | Proton radiography CR39 Debris Z-pinch NIF |
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