Bent prefect crystals can give many strong multiple-reflection processes through utilising two sets of lattice planes which are mutually in the dispersive setting. They provide doubly reflected beams with a very narrow bandwidths and high collimation. Such strong multiple-reflection processes realized in cylindrically bent perfect crystals have been proven to be suitable for ultra high-resolution monochromating. Calculations indicate that the multiple-reflection effects could easily be identified. Some examples of powder diffraction and high resolution radiography are also presented.
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Mikula, P., Vrána, M., Wagner, V. (2008). Neutron Multiple Reflections Excited in Cylindrically Bent Perfect Crystals and Their Possible use for High-Resolution Neutron Scattering. In: Erko, A., Idir, M., Krist, T., Michette, A.G. (eds) Modern Developments in X-Ray and Neutron Optics. Springer Series in optical science, vol 137. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74561-7_27
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