McXtrace - An X-ray ray-trace simulation package

[ Identification | Description | Examples | Input parameters | Links ]

The NECSA_MIXRAD_Nikon_Tomo Instrument

Nikon XTH 225 Tomograph

Identification

• Site: NECSA
• Author: us all at Necsa
• Origin: Necsa, ZA
• Date: Oct 11th 2024

Description

This is a simple description of the MIXRAD Nikon X-ray tomograph installed at NECSA, ZA

- The source voltage is 30-225 kV with a electron beam current of 1 mA.
- Anode material: Mo; Cu; W; Ag
- The source spot size is 1-3 um.
- The emission cone is 25 degrees.
- The detector is 400x400 mm, with a 200 um pixel size (2000x2000).
- The source-sample distance is at least 61 cm.
- The source-detector distance is 1.147 m.

Example: 

Examples

(Test cases in bold)

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
Source_material	str	source anode, e.g. W.txt	"W.txt"
Emin	keV	minimum energy at the source	1
Emax	keV	maximum energy at the source	75
Sample_material	str	sample material, e.g. chemical formulae or CIF file	"Fe2O3Au"
sample_shape	str	OFF/PLY file	"king.off"
Sample_rotation	deg	sample rotation angle around Y vertical	90
Sample_distance	deg	sample location wrt source. detector fixed at 1.147 m	0.5

Links

• Source code for NECSA_MIXRAD_Nikon_Tomo.instr.
• https://www.necsa.co.za/service/micro-focus-x-ray-radiography-and-tomography-facility-mixrad/
• https://www.ndt.net/article/wcndt2012/papers/37_wcndtfinal00037.pdf

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[ Identification | Description | Examples | Input parameters | Links ]

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Last Modified: Monday, 02-Nov-2026 21:43:07 CET