" /> beam diameter - CISMeF





Preferred Label : beam diameter;

Detailed label : beam diameter in in situ microanalysis;

IUPAC definition : Diameter of the beam between which 68% of the electrons fall. For Gaussian beam shapes this corresponds to the 2σ-value of the intensity distribution of the beam. Measurement can be carried out by scanning a beam across a sufficiently sharp edge and recording the transmitted electrons.;

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Diameter of the beam between which 68% of the electrons fall. For Gaussian beam shapes this corresponds to the 2σ-value of the intensity distribution of the beam. Measurement can be carried out by scanning a beam across a sufficiently sharp edge and recording the transmitted electrons.

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07/07/2025


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