X-ray Resonance in Crystal Cavities--Realization of Fabry-Perot Resonator for Hard X-rays

2); (2)National Synchrotron Radiation Research Center (NSRRC); 4)((1)Department of Physics; Hsinchu; Hyogo; Japan); Japan (4)Spring-8/RIKEN; Mikazuki; M.-T. Tang (2); M. Yabashi (3)

arxiv: cond-mat/0412465 · v1 · submitted 2004-12-17 · ❄️ cond-mat.other · cond-mat.mtrl-sci

X-ray Resonance in Crystal Cavities--Realization of Fabry-Perot Resonator for Hard X-rays

S.-L. Chang (1 , 2) , Yu. P. Stetsko (2) , M.-T. Tang (2) , Y.-R. Lee (1) , W.-H. Sun (1) , M. Yabashi (3) , T. Ishikawa (3

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4)((1)Department of Physics National Tsing Hua University Hsinchu Taiwan R.O.C. (2)National Synchrotron Radiation Research Center (NSRRC) R.O.C. (3)Spring-8/JASRI Mikazuki Hyogo Japan (4)Spring-8/RIKEN Japan)

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classification ❄️ cond-mat.other cond-mat.mtrl-sci

keywords x-rayresonancecrystalenergyplatesbackcavities--realizationcavity

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X-ray back diffraction from monolithic two silicon crystal plates of 25--150 um thick and a 40--150 um gap using synchrotron radiation of energy resolution deltaE=0.36 meV at 14.4388 keV shows clearly resonance fringes inside the energy gap and the total-reflection range for the (12 4 0) reflection. This cavity resonance results from the coherent interaction between the X-ray wavefields generated by the two plates with a gap smaller than the X-ray coherence length. This finding opens up new opportunities for high-resolution and phase-contrast X-ray studies, and may lead to new developments in X-ray optics.

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X-ray Resonance in Crystal Cavities--Realization of Fabry-Perot Resonator for Hard X-rays

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