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McStas: Transmission_polarisatorABSnT Component

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

The Transmission_polarisatorABSnT Component

Component: Transmission_polarisatorABSnT The main source code was taken from Gravity_guide (ver 1.6ill) Example: Gravity_guide(w1=0.1, h1=0.1, w2=0.1, h2=0.1, l=12, R0=0.99, Qc=0.021, alpha=6.07, m=1.0, W=0.003, k=1, d=0.0005) Example: Transmission_polarisatorABSnT(w1=0.050, h1=0.050, w2=0.050, h2=0.050, l=2.700, waferD=0.0003, FeD=2.16e-06, Si_i=0.2, Si_a=0.215, R0=0.99, Qc=0.02174, alpha=4.25, W=0.001, mleft=1.2, mright=1.2, mtop=1.2, mbottom=1.2, R0_up=0.99, Qc_up=0.014, alpha_up=2.25, W_up=0.0025, mup=1.0, R0_down=0.99, Qc_down=0.02174, alpha_down=3.8, W_down=0.00235, mdown=2.5)

Identification

  • Author: Andreas Ostermann
  • Origin: McStas 1.8/ILL (France).
  • Date:(Unknown)
  • Version:(Unknown)

Description


WARNING: This is a contributed Component.

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
w1 m Width at the polarizer entry  
h1 m Height at the polarizer entry  
w2 m Width at the polarizer exit  
h2 m Height at the polarizer exit  
l m length of polarizer  
waferD m Thickness of Si wafer  
Si_i barns Scattering cross section per atom (barns)  
Si_a barns Absorption cross section per atom (barns) at 2200m/s  
FeD  
R0 1 Low-angle reflectivity of the outer guide 0.99
Qc AA-1 Critical scattering vector of the outer guide 0.02174
alpha AA Slope of reflectivity of the outer guide 4.25
W AA-1 Width of supermirror cut-off of the outer guide 0.001
R0_up 1 Low-angle reflectivity of the Fe/Si-wafer for spin up neutrons 0.99
Qc_up AA-1 Critical scattering vector of the Fe/Si-wafer for spin up neutrons 0.0109
alpha_up AA Slope of reflectivity of the Fe/Si-wafer for spin up neutrons 4.25
W_up AA-1 Width of supermirror cut-off of the Fe/Si-wafer for spin up neutrons 0.0025
R0_down 1 Low-angle reflectivity of the Fe/Si-wafer for spin down neutrons 0.99
Qc_down AA-1 Critical scattering vector of the Fe/Si-wafer for spin down neutrons 0.02174
alpha_down AA Slope of reflectivity of the Fe/Si-wafer for spin down neutrons 6.25
W_down AA-1 Width of supermirror cut-off of the Fe/Si-wafer for spin down neutrons 0.001
mleft 1 m-value of material for left. vert. mirror of the outer guide -1
mright 1 m-value of material for right. vert. mirror of the outer guide -1
mtop 1 m-value of material for top. horz. mirror of the outer guide -1
mbottom 1 m-value of material for bottom. horz. mirror of the outer guide -1
mup 1 m-value of the Fe/Si-wafer for spin up neutrons -1
mdown 1 m-value of the Fe/Si-wafer for spin down neutrons -1

Output parameters

Name Unit Description Default
Vars  

Links


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

Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Fri Mar 17 20:40:07 2017


Last Modified: Friday, 17-Mar-2017 21:40:07 CET
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