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

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

2004-12-17

arxiv.org/abs/cond-mat/0412465v1

Phys. Rev. Lett. 94, 174801 (2005)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.94.174801

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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