Component Manual for the Neutron Ray-Tracing Package McStas, version 3.8.6

14.60  The Pol_pi_2_rotator McStas Component

Ideal π/2-rotator

Identification

Description

Simple, idelized, component that turns the polarization exactly π/2 around the specified vector vector (rx,ry,rx). The geometry of the component is realized as a box, where the the spin is rotated at the z-midpoint.

Input parameters

Parameters in boldface are required; the others are optional.

Name

Unit

Description

Default

xwidth

m

width of the component

0.1

yheight

m

height of the component

0.1

zdepth

m

thickness of the component

0.01

rx

x-component of the rotation axis

0

ry

y-component of the rotation axis

0

rz

z-component of the rotation axis

1

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