Jump to the content of the page

This type of optics parallelises and collimates divergent radiation. The divergent beam entering the optical module is transformed into a quasi parallel outgoing beam with a very low divergence. Such collimating polycapillary optics are applied in XRD.

Specification

Collimating polycapillary system for XRD and micro-tomography applications

Collimating large semi lens Collimating mini semi lens Collimating micro semi lens
Source - entrance distance f [mm] > 40 > 10 > 5
Length L [mm] 75 - 150 25 - 150 20 - 30
Entrance size Din [mm] > 5 > 2 > 1
Exit size Dout [mm] 8 - 16 5 - 8 3 - 5
Capture angle ฮฆ [rad] 0.05 - 0.2 0.04 - 0.15 0.05 - 0.1
Exit divergence ฮ”ฮธ [ยฐ (CuKฮฑ)] 0.2 - 0.3 0.2 - 0.3 0.2 - 0.3
Transmission coefficient KTr [% (CuKฮฑ)] 10 - 60 10 - 60 10 - 60
Applications XRD XRD, ยตXRD ยตXRD
Jump to the top of the page