Journal article
Simulating and optimizing compound refractive lens-based X-ray microscopes
A comprehensive optical description of compound refractive lenses (CRLs) in condensing and full-field X-ray microscopy applications is presented. The formalism extends ray-transfer matrix analysis by accounting for X-ray attenuation by the lens material. Closed analytical expressions for critical imaging parameters such as numerical aperture, spatial acceptance (vignetting), chromatic aberration and focal length are provided for both thin- and thick-lens imaging geometries.
These expressions show that the numerical aperture will be maximized and chromatic aberration will be minimized at the thick-lens limit. This limit may be satisfied by a range of CRL geometries, suggesting alternative approaches to improving the resolution and efficiency of CRLs and X-ray microscopes.
Language: | English |
---|---|
Publisher: | International Union of Crystallography |
Year: | 2017 |
Pages: | 392-401 |
ISSN: | 16005775 and 09090495 |
Types: | Journal article |
DOI: | 10.1107/S160057751602049X |
ORCIDs: | Ahl, Sonja Rosenlund , Poulsen, Henning Friis and 0000-0002-3093-9241 |
Compound refractive lenses Instrumentation Ray transfer matrix X-ray imaging X-ray microscopy X-ray optics