1984•Applied Physics LettersRequires access
Fast ion imaging with a pinhole camera in laser-produced plasmas
R. Décoste, J. C. Kieffer, D. Pascale, H. Pépin
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Abstract
Fast ion imaging with a pinhole camera is shown to be quite reliable provided the camera parameters are correctly chosen. Space-charge expansion of the ion beam beyond the pinhole can be minimized by adjusting the ion energy filtration, the camera magnification, and the target-to-pinhole distance. Scaling of space-charge effects with the camera dimensions is discussed. Two experimental technqiues are also demonstrated to verify in situ the spatial resolution at the image plane.