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

The Chopper Component

Disk chopper.

Identification

Description

Models a disc chopper with n identical slits, which are symmetrically disposed
on the disc.
If the chopper is the 1st chopper of the instrument, it sets t time with phase

Example: Chopper(R=0.2, w=0.05, f=2500.0, n=3, pha=0, IsFirst=1) First chopper
         Chopper(R=0.2, w=0.05, f=2500.0, n=3, pha=0, IsFirst=0)

Example values: w=0.05 R=0.5 f=2500 n=3 pha=0 n_pulse=1

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
R m Radius of the disc  
w m Width of the slits at the bottom side 0.05
f rad/s angular frequency of the Chopper (algebraic sign defines the direction of rotation) 2500.0
n 1 Number of slits 3
pha s Phase 0
IsFirst 0/1 Set it to 1 for the first chopper position in a cw source (it then spreads the neutron time distribution) 0
n_pulse 1 Number of pulses 1

Output parameters

Name Unit Description Default
Tg  
T  
To  

Links


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

Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Wed Oct 8 18:18:17 2008