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

# The `ISIS_CRISP` Instrument

Model of the ISIS CRISP reflectometer, including the Multilayer_Sample reflectivity sample.

## Identification

- Site: ISIS
- Author: Robert Dalgliesh
- Origin: ISIS (UK)
- Date: 2010
- Version: 1.0

## Description

    This model of the ISIS CRISP reflectometer demonstrates the use of the Multilayer_Sample component.

    The algorithm of the component requires complex numbers, facilitated by the
    GNU Scientific Library (GSL). To link
    your the instrument with an installed GSL, you should use MCSTAS_CFLAGS like

    MCSTAS_CFLAGS = -g -O2 -lm -lgsl -lgslcblas

    Example: mcrun ISIS_CRISP.instr glen=1.4 flen=0.4 w1=0.05 vm=3.0 FRAC=0.1

## Input parameters

Parameters in boldface are required; the others are optional.

Name | Unit | Description | Default
--- | --- | --- | ---
glen | m | Length of the elliptical guides | 1.4
flen | m | Focal-length of elliptical guides | 0.4
w1 | m | Entry-width of elliptical guides | 0.05
vm | m | m-value of material for left and right vertical guide mirrors | 3.0
FRAC | 1 | Fraction of statistics used to model incoherent scattering from sample | 0

## Links

- Source code for `ISIS_CRISP.instr`.
- Website of the CRISP instrument

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