Imaging properties of refractive microcapillary x-ray lens

Yu. I. Dudchik

doi:10.1117/12.637769

6 December 2006 Imaging properties of refractive microcapillary x-ray lens

Yu. I. Dudchik

Proceedings Volume 5943, X-ray and Neutron Capillary Optics II; 594305 (2006) https://doi.org/10.1117/12.637769
Event: X-ray and Neutron Capillary Optics II, 2004, Zvenigorod, Russian Federation

Abstract

Microcapillary lens, designed in the form of glass capillary filled by a set of concave spherical microlenses, is a novel design of the compound refractive lens for X-rays. The microlenses inside the capillary are formed by putting air bubbles into epoxy. The interface between two air bubbles has a biconcave form and may acts as a lens for X-rays. The lens for investigations was realized in the form of 200-microns in diameter glass microcapillary filled by 137 individual epoxy spherical concave lenses. The lens focal length is about 10 cm for 8-keV X-rays. Adelphi Technology, Inc. formerly tested the microcapillary lens at Stanford Synchrotron Radiation Laboratory for 7-12 keV X-rays. It was shown that the lens focuses 8-keV synchrotron radiation X-ray beam into micron-sized spot. We have studied a possibility to use the lens for imaging applications for the case when an ordinary copper-anode X-ray tube was used as a source of radiation. The image of the object was recorded by CMOS-camera. The object, lens and CMOS-camera were placed inline at a distance to one from each another satisfied to the lens formula. Results of experiments on with lens imaging of gold mesh are presented and discussed.

Citation Download Citation

Yu. I. Dudchik "Imaging properties of refractive microcapillary x-ray lens", Proc. SPIE 5943, X-ray and Neutron Capillary Optics II, 594305 (6 December 2006); https://doi.org/10.1117/12.637769

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