Collimating Polycapillary

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.


collimating polycapillary optic

Specification

Collimating polycapillary system for XRD and micro-tomography applications


Technical Parameters Collimating Polycapillary

  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 Φ, rad 0.05 - 0.2 0.04 - 0.15 0.05 - 0.1
Exit divergence Δθ, ° (CuKα) 0.2 - 0.3 0.2 - 0.3 0.2 - 0.3
Transmission coefficient KTr, % (CuKα) 10 - 60 10 - 60 10 - 60
applications XRD XRD, µXRD µXRD

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