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1篇 您的检索式:作者名="C.M.Brenner"
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1Bremsstrahlung emission from high power laser interactions with constrained targets for industrial radiography显示文摘Laser-solid interactions are highly suited as a potential source of high energy X-rays for nondestructive imaging.A bright,energetic X-ray pulse can be driven from a small source,making it ideal for high resolution X-ray radiography.By limiting the lateral dimensions of the target we are able to confine the region over which X-rays are produced,enabling imaging with enhanced resolution and contrast.Using constrained targets we demonstrate experimentally a(20±3)μm X-ray source,improving the image quality compared to unconstrained foil targets.Modelling demonstrates that a larger sheath field envelope around the perimeter of the constrained targets increases the proportion of electron current that recirculates through the target,driving a brighter source of X-rays.C.D.Armstrong C.M.Brenner C.Jones D.R.Rusby Z.E.Davidson Y.Zhang J.Wragg S.Richards C.Spindloe P.Oliveira M.Notley R.Clarke S.R.Mirfayzi S.Kar Y.Li T.Scott P.McKenna D.Neely 2019High Power Laser Science and Engineering2019,7,2:0
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