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McXtrace - An X-ray ray-trace simulation package

Synchrotron SOLEIL DTU Physics

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McXtrace: Grating_trans

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

The Grating_trans Component

Transmission grating

Identification

  • Site:
  • Author: Erik B Knudsen (erkn@fysik.dtu.dk)
  • Origin: DTU Physics
  • Date: December 2016

Description

Model of a 1D rectangular transmission grating based on the theory developed in Schnopper et. al., Applied Optics, 1977.
The grating lines are assumed to be vertical. Within each period a fraction gamma is the "open" fraction.
(I.e. 1 is completely open). At present only absorption in the substrate (modelled by the thickness sdepth)
is included.

This  component is currently undergoing validation.

Input parameters

Parameters in boldface are required; the others are optional.
NameUnitDescriptionDefault
fixed_delta0
xwidthmWidth of the grating. Defines how many lines there are in total.1e-3
yheightmHeight of the grating.1e-3
periodmDistance between grating grooves.1e-6
gamma Ratio between groove and period aka duty cycle. 1 means fully open.0.5
zdepthmDepth of grooves.1e-6
sdepthmThickness of substrate. The default is to have no substrate - i.e. rods.0
materialstrData file containing the material from which the grating is made."Au.txt"
substratestrData file containing material data for the substrate.""
max_order2

Output parameters

Parameters in boldface are required; the others are optional.
NameUnitDescriptionDefault
order
Z
mu_c
Ar
rho
table
delta_prefactor

Links


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

Generated on 2022-02-07 21:31:39


Last Modified: Wednesday, 11-May-2022 22:46:11 CEST
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