[ Identification | Description | Examples | Input parameters | Links ]
SOLEIL_PUMA InstrumentPUMA (an acronym for “Photons Used for Ancient Materials”) is a hard X-ray beamline optimized for the heritage science community, though not exclusively reserved for it. Our microbeam terminal station offers a beam size of 5 (v) x 7 (PUMA_h) µm², in an energy range from 4 to 22 keV. Available experimental techniques include X-ray fluorescence spectroscopy (XRF), X-ray absorption spectroscopy (XANES), X-ray diffraction (XRD), and X-ray-excited optical luminescence spectroscopy (XEOL)
| Name | Unit | Description | Default |
| PUMA_E0 | keV | Central energy selected by the DCM. Set to 0 to derive it from PUMA_DCM_theta. | 10 |
| PUMA_dE | keV | Half-width of the energy band emitted by the source. Reset to 3% of PUMA_E0 if PUMA_dE/PUMA_E0 > 0.1. | 0.1 |
| PUMA_DCM_theta | deg | Bragg angle of the Si DCM. Set to 0 to derive it from PUMA_E0 and (hkl). | 0 |
| PUMA_HFM_angle | mrad | Total deflection angle of the fixed horizontally focusing mirror (HFM, Ir coating) at 21 m. The grazing incidence angle is PUMA_HFM_angle/2. | 1.3 |
| PUMA_HFM_focal | m | Image distance of the HFM, used for its bending radius. The source distance is fixed at 21 m. | 40 |
| PUMA_KB_angle | mrad | Total deflection angle of each KB mirror (VFM and HFM). The grazing incidence angle is PUMA_KB_angle/2. | 2.9 |
| PUMA_KB_coating | str | Reflectivity file for the KB mirror coating, e.g. "Rh.txt" (Rh or B4C). | "Rh.txt" |
| PUMA_h | 1 | Miller index PUMA_h of the Si DCM reflection. | 1 |
| PUMA_k | 1 | Miller index PUMA_k of the Si DCM reflection. | 1 |
| PUMA_l | 1 | Miller index PUMA_l of the Si DCM reflection. | 1 |
SOLEIL_PUMA.instr.
[ Identification | Description | Examples | Input parameters | Links ]
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