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

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1369415
Grant/Contract Number:
AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
MRS Bulletin
Additional Journal Information:
Journal Volume: 42; Journal Issue: 06; Journal ID: ISSN 0883-7694
Publisher:
Materials Research Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Be; diamond; Si; optical properties; microstructure

Citation Formats

Roth, Thomas, Alianelli, Lucia, Lengeler, Daniel, Snigirev, Anatoly, and Seiboth, Frank. Materials for x-ray refractive lenses minimizing wavefront distortions. United States: N. p., 2017. Web. doi:10.1557/mrs.2017.117.
Roth, Thomas, Alianelli, Lucia, Lengeler, Daniel, Snigirev, Anatoly, & Seiboth, Frank. Materials for x-ray refractive lenses minimizing wavefront distortions. United States. doi:10.1557/mrs.2017.117.
Roth, Thomas, Alianelli, Lucia, Lengeler, Daniel, Snigirev, Anatoly, and Seiboth, Frank. Fri . "Materials for x-ray refractive lenses minimizing wavefront distortions". United States. doi:10.1557/mrs.2017.117. https://www.osti.gov/servlets/purl/1369415.
@article{osti_1369415,
title = {Materials for x-ray refractive lenses minimizing wavefront distortions},
author = {Roth, Thomas and Alianelli, Lucia and Lengeler, Daniel and Snigirev, Anatoly and Seiboth, Frank},
abstractNote = {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.},
doi = {10.1557/mrs.2017.117},
journal = {MRS Bulletin},
number = 06,
volume = 42,
place = {United States},
year = {Fri Jun 09 00:00:00 EDT 2017},
month = {Fri Jun 09 00:00:00 EDT 2017}
}

Journal Article:
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