BL4-2 Contact |
The monochromator at the beamline has two interchangeable pairs of liquid nitrogen cooled diffractive elements (a pair of Si(111) crystals and a pair of Mo/B4C multilayers) to select the appropriate energy band for the experiment. They are mounted in the same vacuum chamber and can be interchenged fully remotely
Reference for the multilayer monochromator: "A wide-bandpass multilayer monochromator for biological small-angle scattering and fiber diffraction studies." H. Tsuruta, S. Brennan, Z.U. Rek, T.C. Irving, W.H. Tompkins, K.O. Hodgson, J. Appl. Cryst. 31, 672-682 (1998).
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