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The simplest type of a capillary optics is the X-ray guide, a cylindrically shaped monocapillary. It collimates the X-ray beam and limits the divergence angle at the monocapillary exit to the critical angle of total reflection. In comparison to a pinhole an X-ray guide enhances the intensity on the sample surface considerably. X-ray guides are manufactured with different capillary diameters and capillary lengths in accordance with their application. Additionally they can be equipped by aligned pinholes.

Specification

X-Ray guiding system for XRD, µXRD, XRF and µXRF

* Com­bi­na­tion with exit pin­hole pos­si­ble ** Other lengths on re­quest ***Other hous­ing di­am­e­ters on re­quest
Source – entrance distance f1 [mm] > 10
Capillary diameter d1* [µm] 10 ... 1000
Length l** [mm] 94, 135, 165, 173, 191, 210, 230
Energy range [keV] 1 ... 30
Optimal source size [mm] 0.02 ... 1.0
Housing diameter dmax*** [mm] 7, 10, 16
Intensity gain 3 ... 10
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