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Filter

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

The Filter component

A simple neutron filter.

Identification

  • Author: KL, KN
  • Origin: McStas release
  • Date: Sept. 14 1998
  • Version: 1.8

Description

Be-type filter defined by two identical rectangular opening apertures.
The transmission is interpolated liniearly between the high- and low-energy
transmissions beyond the upper and lower cut-off energies.

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
xmin m Lower x bound  
xmax m Upper x bound  
ymin m Lower y bound  
ymax m Upper y bound  
len m Distance between apertures  
T0 1 Transmittance of low energy neutrons  
T1 1 Transmittance of high energy neutrons  
Emin meV Lower cut-off energy  
Emax meV Upper cut-off energy  

Output parameters

None.

Links


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

Generated automatically by McDoc, Kristian Nielsen <kristian.nielsen@risoe.dk> / Jan 22 2001


Last Modified: Tuesday, 22-Jun-2004 14:04:09 CEST
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