Proceedings PaperStrong Refraction Effects In Optical Probing Of Laser--Driven Plasma
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Ray-crossing effect and importance of focusing accuracy at optical probing of strongly refracting, partially nontransparent, radially symmetric objects are discussed. Quantitative results based on exact formulas are given. Analysis was carried out assuming refractive index field characteristic of laser-driven plasma and within geometrical optics limits. Maximum penetrated electron density and the influence of focusing errors on the reproduced density values for exponential density profiles are investigated.