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D11lr_Definition.xml
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D11lr_Definition.xml
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<?xml version='1.0' encoding='ASCII'?>
<instrument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.mantidproject.org/IDF/1.0" last-modified="2019-07-11 10:45:12.505447" name="D11lr" valid-from="2017-10-01 23:59:59" valid-to="2100-01-31 23:59:59" xsi:schemaLocation="http://www.mantidproject.org/IDF/1.0 http://schema.mantidproject.org/IDF/1.0/IDFSchema.xsd">
<!-- This is the instrument definition file of the D11 Lowest momentum transfer & lowest background
small-angle neutron scattering instrument at the ILL.
Generated file, PLEASE DO NOT EDIT THIS FILE!
This file was automatically generated by mantidgeometry/ILL/IDF/d11_generateIDF.py
z axis defines the direction of the beam
y axis will be the axis used for rotation
coordinate system is right-handed
y axis rotation defined by theta
x axis rotation defined by phi
z axis rotation defined by chi
width x direction, height y direction
Monochromator
Incident wavelength 4.5 Angstrom <= wavelength <= 40 Angstrom
Maximum wavelength at maximum detector distance of 39 m is 22 Angstrom
Selector rotation normal to beam -7 deg to 7 deg
Maximum wavelength at rotation -7 deg is 3.2 Angstrom
Collimation
11 guide sections
Guide cross-section of 50 mm x 30 mm over 6.5 m
Straight guide 50 mm x 45 mm over 28 m
50 mm x 45 mm -> 35 mm x 31.5 mm over 4 m
Guide-to-sample distances are 1.5 m; 2.5 m; 4.0 m; 5.5 m; 8.0 m; 10.5 m; 13.5 m; 13.5 m; 16.5 m; 20.5 m; 28.0 m;
34.0 m; 40.5 m;
Sample
Default sample dimension is 10 mm x 10 mm
Multi-detector
Sample-detector distances range from 1.2 m to 39 m
Size 960 mm x 960 mm
Pixel size 7.5 mm x 7.5 mm ( 128 x 128 pixels )
For more information, please visit
https://www.ill.eu/instruments-support/instruments-groups/instruments/d11/characteristics/
-->
<defaults>
<length unit="metre"/>
<angle unit="degree"/>
<reference-frame>
<along-beam axis="z"/>
<pointing-up axis="y"/>
<handedness val="right"/>
</reference-frame>
<default-view axis-view="z-" view="3D"/>
</defaults>
<!--SOURCE-->
<component type="moderator">
<location x="0.0" y="0.0" z="-2.0"/>
</component>
<type is="Source" name="moderator"/>
<!--Sample position-->
<component type="sample_position">
<location x="0.0" y="0.0" z="0.0"/>
</component>
<type is="SamplePos" name="sample_position"/>
<!--MONITORS-->
<component idlist="monitors" type="monitors">
<location/>
</component>
<type name="monitors">
<component type="monitor">
<location name="monitor1" z="-16.7"/>
<location name="monitor2" z="-1.2"/>
</component>
</type>
<!--MONITOR SHAPE-->
<!--FIXME: Do something real here.-->
<type is="monitor" name="monitor">
<cylinder id="cyl-approx">
<centre-of-bottom-base p="0.0" r="0.0" t="0.0"/>
<axis x="0.0" y="0.0" z="1.0"/>
<radius val="0.01"/>
<height val="0.03"/>
</cylinder>
<algebra val="cyl-approx"/>
</type>
<!--MONITOR IDs-->
<idlist idname="monitors">
<id val="100000"/>
<id val="100001"/>
</idlist>
<!--DETECTOR-->
<component idfillbyfirst="y" idstart="0" idstepbyrow="128" type="detector">
<location x="0.0" y="0.0" z="1.2"/>
</component>
<type is="rectangular_detector" name="detector" type="pixel" xpixels="128" xstart="0.47625" xstep="-0.0075" ypixels="128" ystart="-0.47625" ystep="0.0075"/>
<!--PIXEL, EACH PIXEL IS A DETECTOR-->
<type is="detector" name="pixel">
<cuboid id="pixel-shape">
<left-front-bottom-point x="-0.00375" y="-0.00375" z="5e-05"/>
<left-front-top-point x="-0.00375" y="0.00375" z="5e-05"/>
<left-back-bottom-point x="-0.00375" y="-0.00375" z="-5e-05"/>
<right-front-bottom-point x="0.00375" y="-0.00375" z="5e-05"/>
</cuboid>
<algebra val="pixel-shape"/>
</type>
</instrument>