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[ Identification | Description | Input parameters | Links ]
The Test_Mono Instrument
Compares intensities of Monochromator components.
Identification
- Site: Tests_optics
- Author: A. Vickery, A. Prodi and E. Knudsen
- Origin: NBI,Risø DTU Physics
- Date: July 2011.
Description
Very simple setup to compare intensities diffracted by Monochromators. It shows that implementations are equivalent. The input parameter 'Mono' chooses which model to use: 0: Obsolete Perfect_crystal 1: Bragg_crystal - validated component 2: Bragg_crystal_bent - bent version of the above 3: Bragg_crystal_BC - variant of the above based on Mendenhall et. al., J. Appl. Cryst 2019 4: Bragg_crystal_bent_BC - variant of the above based on Mendenhall et. al., J. Appl. Cryst 2019 5: Bragg_crystal_simple - a simple mono with a static (flat) Darwin width.
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default |
| Mono | Which monochromator model to use. See description above. | 1 | |
| lambda | AA | Source wavelength. | 1.0 |
| L1 | m | Distance from source to monochromator. | 10.0 |
| OMM | deg | Rotation angle of monochromator, i.e. angle of incidence. | 14.2208 |
| TTM | deg | Scattering angle at which to put the detector. | 28.4416 |
| BEND | m | Curvature radius of the monochromator crystal lattice. Only relevant for Mono==2. | 1 |
| monsiz | m | Size (h and w) of PSD measuring diffracted beam. | 5e-5 |
Links
- Source code for
Test_Mono.instr.
[ Identification | Description | Input parameters | Links ]
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