Effective aperture of X-ray compound refractive lenses

What is it about?

A new definition of the effective aperture of the X-ray compound refractive lens (CRL) is proposed. Both linear (one-dimensional) and circular (two-dimensional) CRLs are considered. The new definition is based on the integral intensity of the beam behind the CRL over the real aperture. The integral intensity is the most physical value and is independent of distance.

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Why is it important?

We got new knowledge about interaction of x rays with matter and found properties of new device for a modification of synchrotron beam

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