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NXdispersion_table.nxdl.xml
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NXdispersion_table.nxdl.xml
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<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="nxdlformat.xsl"?>
<!--
# NeXus - Neutron and X-ray Common Data Format
#
# Copyright (C) 2014-2024 NeXus International Advisory Committee (NIAC)
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For further information, see http://www.nexusformat.org
-->
<definition xmlns="http://definition.nexusformat.org/nxdl/3.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" category="base" name="NXdispersion_table" extends="NXobject" type="group" xsi:schemaLocation="http://definition.nexusformat.org/nxdl/3.1 ../nxdl.xsd">
<symbols>
<doc>
The symbols in this schema to denote the dimensions
</doc>
<symbol name="n_points">
<doc>
The number of energy and dielectric function points
</doc>
</symbol>
</symbols>
<doc>
A dispersion table denoting energy, dielectric function tabulated values.
</doc>
<field name="model_name" type="NX_CHAR">
<doc>
The name of this dispersion model.
</doc>
</field>
<field name="convention" type="NX_CHAR">
<doc>
The sign convention being used (n + or - ik)
</doc>
<enumeration>
<item value="n + ik"/>
<item value="n - ik"/>
</enumeration>
</field>
<field name="wavelength" type="NX_NUMBER" units="NX_LENGTH">
<doc>
The wavelength array of the tabulated dataset.
This is essentially a duplicate of the energy field.
There should be one or both of them present.
</doc>
<dimensions rank="1">
<dim index="1" value="n_points"/>
</dimensions>
</field>
<field name="energy" type="NX_NUMBER" units="NX_ENERGY">
<doc>
The energy array of the tabulated dataset.
This is essentially a duplicate of the wavelength field.
There should be one or both of them present.
</doc>
<dimensions rank="1">
<dim index="1" value="n_points"/>
</dimensions>
</field>
<field name="refractive_index" type="NX_COMPLEX" units="NX_DIMENSIONLESS">
<doc>
The refractive index array of the tabulated dataset.
</doc>
<dimensions rank="1">
<dim index="1" value="n_points"/>
</dimensions>
</field>
<field name="dielectric_function" type="NX_COMPLEX" units="NX_DIMENSIONLESS">
<doc>
The dielectric function of the tabulated dataset.
</doc>
<dimensions rank="1">
<dim index="1" value="n_points"/>
</dimensions>
</field>
</definition>