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McStas: Test_Lens Instrument at Tests_optics

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

The Test_Lens Instrument

Demonstrate focusing effect of refractive lenses

Identification

  • Site: Tests_optics
  • Author: E. Farhi/C. Monzat
  • Origin: ILL
  • Date: Dec 2009.
  • Version: $Revision$

Description


Very simple setup with 30 stacked lenses which focus a cold neutron, 
non diverging beam (ideal case). A set of PSD monitors is positioned
around the focusing point to show the beam spot.

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
lambda Angs Source wavelength 10
position_PSD m Distance from last lens to first monitor 8.2

Links


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

Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Fri Mar 17 20:40:07 2017


Last Modified: Friday, 17-Mar-2017 21:40:07 CET
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