Component Manual for the Neutron Ray-Tracing Package McStas, version 3.8.6

14.47  The Mirror_Elliptic_Bispectral McStas Component

Single mirror plate that is curved and fits into an elliptic guide.

Identification

Description

Input parameters

Parameters in boldface are required; the others are optional.

Name

Unit

Description

Default

reflect

q(Å\(^{-1}\) R(0-1)

(str) Name of relfectivity file. Format

0

focus_start_w

m

Horizontal position of first focal point of ellipse in ABSOLUTE COORDINATES

focus_end_w

m

Horizontal position of second focal point of ellipse in ABSOLUTE COORDINATES

focus_start_h

m

Vertical position of first focal point of ellipse in ABSOLUTE COORDINATES

focus_end_h

m

VErtical position of second focal point of ellipse in ABSOLUTE COORDINATES

mirror_start

m

start of mirror in ABSOLUTE COORDINATES

m

m-value of material

smallaxis_w

m

Small-axis dimension of horizontal ellipse

smallaxis_h

m

Small-axis dimension of vertical ellipse

length

m

the length of the mirror

transmit

0/1

0: non reflected neutrons are absorbed. 1: non reflected neutrons pass through

0

substrate_thickness

m

thickness of substrate (for absorption)

0.0005

coating_thickness

m

thickness of coating (for absorption)

10e-6

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