Parabolic refractive x-ray lenses, made of light elements like beryllium and aluminium, are novel optical components for hard x-ray microscopy and analysis. They can be used like glass lenses are used for visible light. However, their numerical aperture is very small. They reach a lateral resolution below 100 nm.
© 2004 Optical Society of America
B. Lengeler, C. G. Schroer, M. Kuhlmann, B. Benner, F. Guenzler, and O. Kurapova, "Refractive X-ray lenses: Performance and applications in microscopy and X-ray analytics," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FWA1.
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