Dose Course 2018_Flipping book

The Focal source spot

Approximately Gaussian source distributions, in some cases elliptical. Typical FWHM is 1-2 mm. (Measured using a rotated slit camera and a diode.)

FWHM

FWHM

1 mm

1 mm

Initial beam

Jaffray et al [2]

Dublin 2018

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