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McXtrace - An X-ray ray-trace simulation package

ESRF; SAXSLAB Niels Bohr Institute DTU Physics


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McXtrace: Be_BM_beamline Instrument at DTU

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

The Be_BM_beamline Instrument

Be-lens Bending Magnet, Low Budget Monochromatic (pink) X-ray beamline


  • Site: DTU
  • Author: E. Knudsen (
  • Origin: Risø DTU
  • Date: Sept. 15th, 2009
  • Version: $Revision$


This is a proof of concept beamline to test an idea of how to build a low-cost
monochromtic beamline. Idea is to let a polychromatic beam impinge on a focusing
Be-lens and put a slit in the focal pt. of the lens for the desired wavelength. Any
other wavelengths present in the beam will not be focussed prefectly and may be
by the slit.

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
L1 m Distance between source and lens 10
L2 m Distance between lens and and slit 1
dS m Slit opening. Slit opening is quadratic. 1e-2
N 1 NUmber of Lenses in the compund lens arrangement 1


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

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