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

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.
October 2008
Applied Physics Letters;10/6/2008, Vol. 93 Issue 14, p141105
Academic Journal
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.


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