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[ Identification | Description | Input parameters | Links ]
The Bragg_crystal_simple Component
Perfect Bragg reflecting slab
Identification
- Site:
- Author: Jose I. Robledo
- Origin: FaMAF - UNC, Argentina
- Date: February 2016
Description
Rectangle of matter perfectly reflecting the incident X-ray beam that fulfills Bragg's law for a set of scattering vectors in the vicinity of the theoretical Q given a d-spacing. The rectangle is in the x-y plane. Example: Bragg_crystal_simple( yheight=0.05, xwidth=0.02, DM=3.1356, err_Q= 0.000075, r0=1.0)
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default | |
| xmin | 1.0 | |||
| xmax | 1.0 | |||
| ymin | 1.0 | |||
| ymax | 1.0 | |||
| xwidth | m | Width in the x direction | 0.0 | |
| yheight | m | Height in the y direction | 0.0 | |
| r0 | Maximum reflectivity | 1 | ||
| DM | [AA⁻1] d-spacing of the crystal | 0 | ||
| err_Q | dQ/Q relative error of the modulus of Q vector. Approximates the Darwin width of the crystal. | 0.0001 |
| AT ( | , | , | ) RELATIVE | |||
|---|---|---|---|---|---|---|
| ROTATED ( | , | , | ) RELATIVE |
Links
- Source code for
Bragg_crystal_simple.comp.
[ Identification | Description | Input parameters | Links ]
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