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SOURCE:	Almanac of Modern Science and Education. Tambov: Gramota, 2015. № 9. P. 141-143.
SCIENTIFIC AREA:	Physical-Mathematical Sciences
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DYNAMIC THEORY OF SPATIAL-TEMPORAL BRAGG DIFFRACTION OF FEMTOSECOND X-RAY PULSES BY PERFECT DEFORMED CRYSTALS

Chen Tesik
Moscow State University of Fine Chemical Technologies named after M. V. Lomonosov

Abstract. The article develops the dynamic theory of the spatial-temporal diffraction of femtosecond X-ray pulses by the perfect deformed crystal in Bragg geometry. The case of the elastic bending of the crystal according to the parabolic cylinder is considered. On the basis of X-ray-optical Huygens-Fresnel principle the author obtains an expression for the amplitude of the diffracted pulse in vacuum. The possibility of the spatial compression of the pulses with the quadratic phase is shown.

Key words and phrases: динамическая теория дифракции, упруго изогнутый кристалл, фемтосекундный импульс, рентгено-оптический принцип Гюйгенса-Френеля, пространственно-временная дифракция, dynamic theory of diffraction, elastically bent crystal, femtosecond pulse, X-ray-optical Huygens-Fresnel principle, spatial-temporal diffraction

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References:

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