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Title: Materials for x-ray refractive lenses minimizing wavefront distortions

Journal Article · · MRS Bulletin
DOI:https://doi.org/10.1557/mrs.2017.117· OSTI ID:1369415
 [1];  [2];  [3];  [4];  [5]
  1. European Synchrotron Radiation Facility (France); European X-Ray Free Electron Laser GmbH (Germany)
  2. Diamond Light Source (United Kingdom)
  3. RXOPTICS (Germany)
  4. Baltic Federal Univ. (Russia)
  5. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States)
+ Show Author Affiliations

Refraction through curved surfaces, reflection from curved mirrors in grazing incidence, and diffraction from Fresnel zone plates are key hard x-ray focusing mechanisms. In this article, we present materials used for refractive x-ray lenses. Important properties of such x-ray lenses include focusing strength, shape, and the material’s homogeneity and absorption coefficient. Both the properties of the initial material and the fabrication process result in a lens with imperfections, which can lead to unwanted wavefront distortions. Different fabrication methods for one-dimensional and two-dimensional focusing lenses are presented, together with the respective benefits and inconveniences that are mostly due to shape fidelity. Different materials and material grades have been investigated in terms of their homogeneity and the absence of inclusions. Single-crystalline materials show high homogeneity, but suffer from unwanted diffracted radiation, which can be avoided using amorphous materials. Lastly, we show that shape imperfections can be corrected using a correction lens.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1369415
Journal Information:
MRS Bulletin, Vol. 42, Issue 06; ISSN 0883-7694
Publisher:
Materials Research SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

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Cited By (3)

Impact of beryllium microstructure on the imaging and optical properties of X-ray refractive lenses journal January 2020
Diamond refractive micro-lenses for full-field X-ray imaging and microscopy produced with ion beam lithography journal January 2020
Diamond refractive micro-lenses for full-field X-ray imaging and microscopy produced with ion beam lithography text January 2020

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