The `ILL_H142` Instrument

Site: ILL
Author: FARHI Emmanuel (farhi@ill.fr)
Origin: ILL
Date: April 7, 2004

The H142 S-curved cold guide at the ILL

Identification

The H142 S-curved cold guide at the ILL feeding IN12

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
m	1	m-value of whole guide coating. 0 absorbing, 1 for Ni, 1.2 for Ni58, 2-4 for SM	1
lambda	AA	central wavelength	10
dlambda	AA	wavelength half width. Use e.g. 0.8*lambda for white beam.	9.9
gH	m	height of 2nd H142 curved section	0.12
mip	1	m-value of in-pile guide coating	1