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[ Identification | Description | Input parameters | Links ]
The PBD_BT Instrument
Mockup of 219/B004 PBD
Identification
- Site: NIST
- Author: Marcus H. Mendenhall (marcus.mendenhall@nist.gov)
- Origin: Your institution
- Date: Current Date
Description
This is a preliminary setup of the PBD, using single-bounce crystals instead of 3-bounce crystals
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default |
| source_y | m | Vertical offset of the source exit-widow. | 0.0 |
| source_rotation | deg | Rotation around the X-axis of the source. | 0.0 |
| beam_vert | m | Height of beam exit.window. | 0.002 |
| beam_hor | m | Width of beam exit-window. | 0.001 |
| mirror_length | m | Length of the focusing mirror | 0.05 |
| mirror_full_deflection_angle | deg | Deflection angle of mirror | 2.32 |
| mirror_center_distance | m | Distance from | 0.1 |
| mirror_focal_error | 0.0 | ||
| mirror_rotation_angle | -2.32 | ||
| mirror_y_offset | m | 0.0 | |
| use_mirror | Flag to set whether to use the mirror or no. | 1 | |
| mono_rotation | Rotation angle of the monochromator crystal. | 0.0 | |
| use_mono | Flag enabling/disabling the monochromator. | 1 | |
| mono_detuning_seconds | arcsec | Detuning angle for the monochromator crystal(s). | 34 |
| mono_misalignment_angle_arcsec | arcsec | Mislignment of the monochromator. | 0 |
| mono_incident_angle_deg | deg | Nominal angle of incidence for beam vs. monochromator. | 3.0 |
| slit_1_vert | m | 1st aperture vertical. | 0.001 |
| slit_1_hor | m | 1st aperture horizontal. | 0.0015 |
| slit_2_vert | m | 2nd aperture vertical. | 0.005 |
| slit_2_hor | m | 2nd aperture horizontal. | 0.002 |
| emin | keV | Minimal energy to sample. | 8.046 |
| emax | keV | Maximal energy to sample. | 8.050 |
| omega | deg | Sample roation around the Y-axis. | 106.715 |
| theta | deg | Sample rotation around the X-axis. | -160.0725 |
| crystal_central_angle | deg | sample_crystal_angle. | 53.355 |
| hh | 1st Miller index of the sample crystal reflection under study. | 4 | |
| kk | 2nd Miller index of the sample crystal reflection under study. | 4 | |
| ll | 3rd Miller index of the sample crystal reflection under study. | 0 | |
| use_flat_source | Use a flat source instead of Lab_source, for debugging. | 0 | |
| stop_at_energy | Flag | 0 | |
| use_3_bounce | Use a 3-bounce set up instead of 1-bounce. | 1 | |
| run_setup | string | Which setup to use? | "nosetup" |
| polarization | string | Should polarization be taken into effect. | "0" |
Links
- Source code for
PBD_BT.instr.
[ Identification | Description | Input parameters | Links ]
Generated on 2023-12-19 19:37:45
