X-ray refractive optics as a Fourier transformer for high resolution diffraction

P. Ershov; S. Kuznetsov; I. Snigireva; V. Yunkin; A. Goikhman; A. Snigirev

doi:10.1117/12.2021476

3 May 2013 X-ray refractive optics as a Fourier transformer for high resolution diffraction

P. Ershov, S. Kuznetsov, I. Snigireva, V. Yunkin, A. Goikhman, A. Snigirev

Proceedings Volume 8777, Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III; 877716 (2013) https://doi.org/10.1117/12.2021476
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

Refractive optics is proposed as a Fourier transformer for high resolution X-ray crystal diffraction. Employing refractive lenses the wave transmitted through the object transforms into spatial intensity distribution at its back focal plane according to the Fourier relations. A theoretical consideration of the Fourier transform technique is presented. Two types of samples were studied in Bragg reflection geometry: a grating made of strips of a thin SiO₂ film on Si substrate and a grating made by profiling a Si crystal. Rocking curves of Si(111) Bragg reflection and corresponding Fourier patterns were analyzed.

Citation Download Citation

P. Ershov, S. Kuznetsov, I. Snigireva, V. Yunkin, A. Goikhman, and A. Snigirev "X-ray refractive optics as a Fourier transformer for high resolution diffraction", Proc. SPIE 8777, Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III, 877716 (3 May 2013); https://doi.org/10.1117/12.2021476

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