[ Identification | Description | Input parameters | Links ]

The Test_Al_windows Instrument

Small test instrument for studying Al-window performance

Identification

• Site: Tests_optics
• Author: Peter Willendrup
• Origin: ESS
• Date: 20260316

Description

Test instrument for studying transmission through Al-windows.

Includes 3 models of increasing complexity / sophistication:
1) Al_window(),:
- simple linear absorption + 4th order scattering model
- infinite-plane geometry
2) PowderN()
- Material specified from Al.laz input-file
- Parametrized for 80% statistics -> transmission
3) NCrystal()
- Material specified from local Al as .ncmat format input
(generated from CIF file COD / 1502689)

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
Window	1	Choice of Al_Window (1), PowderN (2) or NCrystal (3) model	1
thickness	m	Thickness of Al window	0.005

Links

• Source code for Test_Al_windows.instr.

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[ Identification | Description | Input parameters | Links ]

Generated for mcstas 3.6.14

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Last Modified: Monday, 13-Apr-2026 11:30:07 CEST