NDLI: Quantitative analysis of proton imaging measurements of laser-induced plasmas

Content Provider	Springer Nature Link
Author	Malka, V. Romagnani, L. Toncian, T. Gauthier, J. C. Repsilber, T. Löwenbrück, K. Borghesi, M. Mackinn, A. Pretzler, G. Patel, P. Willi, O.
Copyright Year	2005
Abstract	A method for obtaining quantitative information about electric field and charge distributions from proton imaging measurements of laser-induced plasmas is presented. A parameterised charge distribution is used as target plasma. The deflection of a proton beam by the electric field of such a plasma is simulated numerically as well as the resulting proton density, which will be obtained on a screen behind the plasma according to the proton imaging technique. The parameters of the specific charge distributions are delivered by a combination of linear regression and nonlinear fitting of the calculated proton density distribution to the measured optical density of a radiochromic film screen changed by proton exposure. It is shown that superpositions of spherical Gaussian charge distributions as target plasma are sufficient to simulate various structures in proton imaging measurements, which makes this method very flexible.
Ending Page	913
Page Count	9
Starting Page	905
File Format	PDF
ISSN	09462171
e-ISSN	14320649
Journal	Applied Physics B
Issue Number	7
Volume Number	80
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-04-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Laser Technology and Physics, Photonics Optical Spectroscopy, Ultrafast Optics Electromagnetism, Optics and Lasers Physics and Applied Physics in Engineering Quantum Optics, Quantum Electronics, Nonlinear Optics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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