X-ray standing wave between separated crystals at a 90-deg Bragg reflection

Andrei Yurievich Nikulin; John R. Davis; David Cookson

doi:10.1117/12.279385

1 November 1997 X-ray standing wave between separated crystals at a 90-deg Bragg reflection

Andrei Yurievich Nikulin, John R. Davis, David Cookson

Proceedings Volume 3154, Coherent Electron-Beam X-Ray Sources: Techniques and Applications; (1997) https://doi.org/10.1117/12.279385
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

An experimental set-up for the observation of intensity fringes of x-rays propagating in vacuum between two separated crystals is reported. In this experiment a Bragg reflection near 90 degrees was used to observe the oscillations of the measured intensity between the monochromator and mirror crystals. The x-ray intensity profiles; were collected as a function of the angular position of the crystal-mirror in the vicinity of a Si(800) reflection at a synchrotron radiation energy of about 9.1344 keV. Interference contrast in the experimentally observed intensity profiles proves the phase-sensitive nature of the intensity fringes. Novel approach to interpretation of synchrotron radiation coherence is discussed. The experimental observations open new possibilities for novel applications in high-energy radiation optics.

Citation Download Citation

Andrei Yurievich Nikulin, John R. Davis, and David Cookson "X-ray standing wave between separated crystals at a 90-deg Bragg reflection", Proc. SPIE 3154, Coherent Electron-Beam X-Ray Sources: Techniques and Applications, (1 November 1997); https://doi.org/10.1117/12.279385

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