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McXtrace - An X-ray ray-trace simulation package

Synchrotron SOLEIL Niels Bohr Institute DTU Physics

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McXtrace: Focal_pt_monitor

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

The Focal_pt_monitor Instrument

Template for creating a focal point monitor.

Identification

  • Site: Templates
  • Author: Erik B Knudsen (erkn@fysik.dtu.dk)
  • Origin: DTU Physics
  • Date: Aug. 21

Description

A template instrument shows how to create a focal point monitor with an
instance of Monitor_nD and an EXTEND block on a preceeding Arm.
The instrument uses a point source and a thin lens to create a focus.

The working principle behind, is to bin the weight carried by each ray by the
z-coordinate (of a cartesian system defined by an Arm preceeding the Monitor_nD
instance) where the ray's trajectory passes closest to the Z-axis.

Note, the origin of the monitored z-coordinate is defined by the Arm on which
the EXTEND-block is attached (In this case fpt0). If the subsequent monitor
is placed elsewhere an implicit offset will be the result.
The

Input parameters

Parameters in boldface are required; the others are optional.
NameUnitDescriptionDefault
RcurvemRadius of curvature of the lens at the apex.100e-6

Links


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

Generated on 2022-01-24 12:07:05


Last Modified: Monday, 24-Jan-2022 12:07:05 CET
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