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

The Test_V_cavity_SNAG_double_side Instrument

Test instrument for Transmission_V_polarisator, double layer reflectivity.

Identification

• Site: Tests_polarization
• Author: Michael Schneider (SNAG)
• Origin: SNAG
• Date: 2024

Description

Test instrument for Transmission_V_polarisator, double layer reflectivity.

Examples

(Test cases in bold)

• Test: Test_V_cavity_SNAG_double_side.instr Lam=7 Detector: div_lambda_hor_I=1.0e+13

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
Lam	AA	Central wavelength produced at source	7.0
dLam	AA	Wavelength spread produced at source	6.0
l_guide0	m	Length of feeding guide	2
m_hori	1	m-value of feeding guide, horizontal mirrors	1.0
m_vert	1	m-value of feeding guide, vertical mirrors	3.0
m_pol_h	1	m-value of guide body, horizontal (m of FeSi is defined by data files)	1.0
m_pol_v	1	m-value of guide body, vertical (m of FeSi is defined by data files)	3.0
W	m	Width of guide and cavity	0.024
H	m	Height of guide and cavity	0.058
Length_C	m	Length of guide body	1.300
tap_ang	deg	Taper angle with respect to optical axis of V-cavity	0.55
distK	m	Distance between V-cavities (applicable, if 2 cavities are installed)	1.23864
d_Fe	m	Thickness of Fe in one supermirror coating	6.95e-6
d	m	Distance from source to guide entrance	2.0

Links

• Source code for Test_V_cavity_SNAG_double_side.instr.
• P. Böni, W. Münzer and A. Ostermann: Physica B: Condensed Matter Volume 404, Issue 17, 1 September 2009, Pages 2620-2623

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

Generated for mcstas 3.10.2

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Last Modified: Tue Nov 3 18:52:15 2026