[ Identification | Description | Input parameters | Links ]

The `TAS1_Vana` Instrument

The conventional cold-source triple-axis spectrometer TAS1 at Risoe National Laboratory used with a vanadium sample.

Identification

Site: Risoe
Author: A. Abrahamsen, N. B. Christensen, and E. Lauridsen
Origin: Risoe
Date: 1998

Description

This instrument is the conventional cold-source triple-axis spectrometer TAS1
at Risoe National Laboratory. It does not exist anymore, but was used as the
first detailed work performed with the McStas package.
The sample is a vanadium and the analyzer is a single plate.

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
PHM	deg	Monochromator rotation angle, aka A1	-37.077
TTM	deg	Monochromator take-off angle, aka A2	-74
TT	deg	Take-off angle at the sample position, aka A4	33.52
TTA	deg	Take-off angle at the analyzer position, aka A6	0
C1	min	Collimator 1 aperture (mono-sample arm)	30
OMC1	deg	Tilt angle of the Collimator 1	5.5
C2	min	Collimator 2 aperture (sample-ana arm)	28
C3	min	Collimator 3 aperture (ana-detector arm)	67
OMA	deg	Analyzer rotation angle, aka A5	-17.45

The TAS1_Vana Instrument

Identification

Description

Input parameters

Links

The `TAS1_Vana` Instrument