Hi Bob,
The polycapillary lenses are not very efficient; I.E. they lose source
energy in the process of focusing. If you are starting with a high
intensity x-ray source, you can get a substantial amount focused into a
10-100 micron spot of high intensity. This is used in micro-XRF where a
spot i
Bob—
One such spectrometer is summarized here:
“Abstract
Polycapillary X-ray optics (capillary X-ray lens) are now popular in X-ray
fluorescence (XRF) analysis. Such an X-ray lens can collect X-rays emitted from
an X-ray source in a large solid angle and form a very intense X-ray microbeam
wh
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