[ Identification | Description | Input parameters | Links ]

# The `Radiography_absorbing_edge` Instrument

Instrument to study radiographic imaging of an absobing edge sample used for "Spacial resolution in neutron imaging" Moodle quiz in the Virtual Neutrons for Teaching project

## Identification

- Site: e
- Author: Linda Udby and Peter Willendrup
- Origin: University of Copenhagen
- Date: July 4th, 2014

## Description

    Instrument to study radiographic imaging of an absobing edge sample used for "Spacial resolution in neutron imaging" Moodle quiz in the Virtual Neutrons for Teaching project
    http://vnt.nmi3.org/moodle/mod/quiz/view.php?id=56

    Example: mcrun  Radiography_absorbing_edge.instr -n5e8 l=0.2 -d EdgeImaging

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default
D | m | Diameter of pinhole before sample | 0.01
L | m | Distance between pinhole and sample | 5
l | m | Distance between sample and detector | 0.10
sigma_abs | barns | Absorption cross-section of the sample | 5.08
Vc | AA^3 | Unit cell volume in the sample | 13.827
sample_z |  |  | 0.01

## Links

- Source code for `Radiography_absorbing_edge.instr`.
- http://vnt.nmi3.org/mcstas-web

[ Identification | Description | Input parameters | Links ]