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Real Time Neutron Reflectometry Using Neutron Optical Imaging

机译:使用中子光学成像的实时中子反射仪

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We will describe recent improvements to the SPEAR reflectometer at the Manuel Lujan Jr. Neutron Scattering Center at Los Alamos. One of the changes consists of wider convergent, incident-beam, collimation to take advantage of optical imaging for specular scattering. In addition, the instrument now views a partially coupled liquid hydrogen moderator as opposed to the decoupled moderator that was previous in-place. While the wavelength distribution is poorer, it matches the time (wavelength) resolution of the reflectometer more closely with the angular resolution.
机译:我们将在洛斯阿拉莫斯的Manuel Lujan Jr.中子散射中心介绍SPEAR反射仪的最新改进。更改之一包括更宽的会聚光束,准直光束准直,以利用光学成像进行镜面散射。另外,该仪器现在查看的是部分耦合的液态氢减速器,而不是先前就位的解耦减速器。虽然波长分布较差,但它与反射仪的时间(波长)分辨率与角分辨率更紧密地匹配。

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