Abstract

Curved crystal imaging is an important means of plasma diagnosis. Due to the short wavelengths of high-energy X rays and the fixed lattice constant of the spherical crystal, it is difficult to apply the spherical crystal in high-energy X-ray imaging. In this study, we have developed a high-energy, high-resolution X-ray imager based on a toroidal crystal that can effectively correct astigmatism. We prepared a Ge 〈5 1 1〉 toroidal crystal for backlighting Mo Kα1 characteristic lines (∼17.48 keV) and verified its high-resolution imaging ability in high-energy X-ray region, achieving a spatial resolution of 5–10 µm in a field of view larger than 1.0 mm.

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High-resolution monochromatic x-ray imaging system based on spherically bent crystals

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High photon flux Kα Mo x-ray source driven by a multi-terawatt femtosecond laser at 100  Hz

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Opt. Lett. 43(15) 3574-3577 (2018)