Hard X-ray wavefront correction via refractive phase plates made by additive and subtractive fabrication techniques

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

Modern subtractive and additive manufacturing techniques present new avenues for X-ray optics with complex shapes and patterns. Refractive phase plates acting as glasses for X-ray optics have been fabricated, and spherical aberration in refractive X-ray lenses made from beryllium has been successfully corrected. A diamond phase plate made by femtosecond laser ablation was found to improve the Strehl ratio of a lens stack with a numerical aperture (NA) of 0.88 × 10-3 at 8.2 keV from 0.1 to 0.7. A polymer phase plate made by additive printing achieved an increase in the Strehl ratio of a lens stack at 35 keV with NA of 0.18 × 10-3 from 0.15 to 0.89, demonstrating diffraction-limited nanofocusing at high X-ray energies.

Detaljer

Författare
  • Frank Seiboth
  • Dennis Brückner
  • Maik Kahnt
  • Mikhail Lyubomirskiy
  • Felix Wittwer
  • Dmitry Dzhigaev
  • Tobias Ullsperger
  • Stefan Nolte
  • Frieder Koch
  • Christian David
  • Jan Garrevoet
  • Gerald Falkenberg
  • Christian G. Schroer
Externa organisationer
  • German Electron Synchrotron (DESY)
  • Friedrich Schiller University Jena
  • Paul Scherrer Institute
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Atom- och molekylfysik och optik

Nyckelord

Originalspråkengelska
Sidor (från-till)1121-1130
Antal sidor10
TidskriftJournal of Synchrotron Radiation
Volym27
StatusPublished - 2020 sep 1
PublikationskategoriForskning
Peer review utfördJa
Externt publiceradJa