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Title: Focusing hard x rays beyond the critical angle of total reflection by adiabatically focusing lenses

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4977882· OSTI ID:1353210
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  1. Technische Univ. Dresden, Dresden (Germany)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. Hamburg, Hamburg (Germany)

In response to the conjecture that the numerical aperture of x-ray optics is fundamentally limited by the critical angle of total reflection, the concept of adiabatically focusing refractive lenses was proposed to overcome this limit. Here, we present an experimental realization of these optics made of silicon and demonstrate that they indeed focus 20 keV x rays to a 18.4 nm focus with a numerical aperture of 1.73(9) × 10–3 that clearly exceeds the critical angle of total reflection of 1.55 mrad.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1353210
Journal Information:
Applied Physics Letters, Vol. 110, Issue 10; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (15)

X‐Ray Microscopy of Halide Perovskites: Techniques, Applications, and Prospects journal January 2020
Ellipsoidal mirror for two-dimensional 100-nm focusing in hard X-ray region journal November 2017
Nanofocusing of X-ray free-electron laser using wavefront-corrected multilayer focusing mirrors journal November 2018
PtyNAMi: Ptychographic Nano-Analytical Microscope at PETRA III: interferometrically tracking positions for 3D x-ray scanning microscopy using a ball-lens retroreflector conference September 2017
Aberration correction for hard x-ray focusing at the nanoscale conference September 2017
Ptychographic Nano-Analytical Microscope (PtyNAMi) at PETRA III: signal-to-background optimization for imaging with high sensitivity conference September 2019
Ptychographic characterization of polymer compound refractive lenses manufactured by additive technology text January 2019
PtyNAMi: Ptychographic Nano-Analytical Microscope at PETRA III: interferometrically tracking positions for 3D x-ray scanning microscopy using a ball-lens retroreflector text January 2017
Aberration correction for hard x-ray focusing at the nanoscale text January 2017
PETRA IV: the ultralow-emittance source project at DESY text January 2018
Ptychographic Nano-Analytical Microscope (PtyNAMi) at PETRA III: signal-to-background optimization for imaging with high sensitivity text January 2019
X-ray microscopy journal February 2017
Ptychographic characterisation of polymer compound refractive lenses manufactured by additive technology journal January 2019
X-ray microscopy journal July 1965
Ptychographic characterization of polymer compound refractive lenses manufactured by additive technology text January 2018

Figures / Tables (5)


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