Research Article
High Definition X-Ray Fluorescence: Principles and Techniques
Table 2
Examples of nominal operating parameters for focusing, monochromatic X-ray beams integrated with microfocus X-ray sources.
| Optic crystal X-ray line | Energy (keV) | Source power (W) | Bragg angle () | Capture angle (sr) | Nominal focal spot size, FWHM (m) | Flux (cps) | Working distance (mm) |
| Ge 220 | | | | | | | | Cr Kα1 | 5.4 | 14 | 35.1 | 0.03 | 80 | | 120 | Si 111 | | | | | | | | Cu Kα1 | 8.0 | 14 | 14.2 | 0.015 | 50 | | 150 | Si 111 | | | | | | | | Cu Kα1 | 8.0 | 50 | 14.2 | 0.01 | 150 | | 150 | Si 220 | | | | | | | | Cu Kα1 | 8.0 | 14 | 22.8 | 0.01 | 50 | | 135 | Si 220 | | | | | | | | W Lα1 | 8.4 | 10 | 22.6 | 0.01 | 20 | | 80 | Si 220 | | | | | | | | Mo Kα1 | 17.5 | 14 | 10.6 | 0.01 | 60 | | 120 |
|
|