Coherent trapping of x-ray photons in crystal cavities in the picosecond regime.

Authors :: Chen, S.-Y.
Wu, H.-H.
Chang, Y.-Y.
Lee, Y.-R.
Sun, W.-H.
Chang, S.-L.
Stetsko, Yu. P.
Tang, M.-T.
Yabashi, M.
Ishikawa, T.
Source :: Applied Physics Letters. 10/6/2008, Vol. 93 Issue 14, p141105. 3p. 3 Graphs.
Publication Year :: 2008
Abstract: We report on the trapping of 14 keV photons in periods of 1.11–1.67 ps by the 12 4 0 backdiffraction in two- and multiplate silicon single-crystal cavities of a few hundred micrometer size. The formation of standing waves inside the cavities ensures better coherence for the x rays. We anticipate that the transmitted x rays through this type of cavities can be used as a quasicoherent x-ray source for probing the dynamic structures of solids, liquids, and biological substances. [ABSTRACT FROM AUTHOR]

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