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[ Identification | Description | Input parameters | Links ]
The Lens_parab_rough Component
Identification
- Site:
- Author: Jana Baltser and Erik Knudsen
- Origin:
- Date: August 2010, modified July 2011
Description
A simple X-ray compound refractive lens (CRL) with a profile of the parabola in rotation simulates the photons' movement on passing through it. The CRL focuses in 2D.
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default | |
| material_datafile | Be.txt | File where the material parameters for the filter may be found. Format is similar to what may be found off the NIST website. | "Be.txt" | |
| r | m | radius of curvature (circular approximation at the tip of the profile) | 0.5e-3 | |
| yheight | m | the CRL's dimensions along Y, aka aperture | 1.4e-3 | |
| xwidth | m | the CRL's dimensions along X | 1.4e-3 | |
| d | m | distance between two surfaces of the lens along the propagation axis; | .1e-3 | |
| T | 1 | transmission of the lens | .99 | |
| N | 1 | amount of single lenses in a stack. | 1 | |
| rough_z | rms | waviness along z | 0 | |
| rough_xy | rms | waviness along x and y | 0 |
| AT ( | , | , | ) RELATIVE | |||
|---|---|---|---|---|---|---|
| ROTATED ( | , | , | ) RELATIVE |
Links
- Source code for
Lens_parab_rough.comp. - material datafile obtained from http://physics.nist.gov/cgi-bin/ffast/ffast.pl
[ Identification | Description | Input parameters | Links ]
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