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</td></tr></table>Wikiadminhttps://e-learning.pan-training.eu/wiki/index.php?title=Instrumentation&diff=916&oldid=prevucph>Tommy at 13:57, 28 August 20192019-08-28T13:57:24Z<p></p>
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<!--\label{ch:instrumentation}--><br />
Neutron scattering instruments are built in many different designs, reflecting that they are specialized for vastly different research purposes. Some instruments deal with the study of the crystal structure of materials, others with excitations in materials, others again with the structure of biomolecular aggregates, with properties of thin films, and so forth.<br />
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In this chapter, we will describe the neutron-optical hardware and tricks needed to transport the "useful" part of the produced neutron phase space from the moderator to the sample of material we like to investigate. In addition, we will describe the assembly of this hardware to form a selection of neutron instruments, each of which is connected to one or more scientific chapters in the later parts of this text.<br />
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Many of these devices utilize the principles of neutron reflection and refraction, which are close to the concepts of classical optics. The theory behind is sketched where needed and explained more carefully on the page on [[Neutron reflectivity]]<!--in chapter~\ref{ch:reflect}-->.<br />
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Instruments using neutron polarization will not be described here, but will appear in a forthcoming chapter of these notes. Monte Carlo ray-tracing simulations of neutrons and neutron instrumentation is discussed at the end of these notes, on the [[Monte Carlo simulation of neutron instrumentation]] page<!--chap.~\ref{ch:MC}-->.<br />
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= [[Instrument example: The two axis diffractometer]] =<br />
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= [[Neutron guide systems]] =<br />
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= [[Beam optical components]] =<br />
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= [[Neutron detectors]] =<br />
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<span style="font-size:11px;"><!--<center>--><br />
[[Neutron sources and moderators|&larr;]]&nbsp;&nbsp; Previous page: [[Neutron sources and moderators]] <br> <!--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;--><br />
[[Exercises in Instrumentation|&rarr;]]&nbsp;&nbsp; Exercises: [[Exercises in Instrumentation]] <br> <!--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;--><br />
[[Small angle neutron scattering, SANS|&rarr;]]&nbsp;&nbsp; Next page: [[Small angle neutron scattering, SANS]]<!--</center>--></span></div>ucph>Tommy