Národní úložiště šedé literatury Nalezeno 1 záznamů.  Hledání trvalo 0.01 vteřin. 
Calculation of the beam profile
Oral, Martin
The beam profile provides local current density distribution of a particle beam. From the known distribution we can optimize the axial position of the specimen in a SEM, understand image aberrations or find optimum function of electron or ion analyzers. Graphical plot of the profile as a function of the z coordinate shows what is happening with the beam when it passes through the optical system. The first attempts of graphical presentationof the beam aberrations and profiles based on aberration theory are discussed in the recent diploma thesis.

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