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 |