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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 13 — Jun. 21, 2010
  • pp: 13492–13501

Sub-15 nm beam confinement by two crossed x-ray waveguides

S. P. Krüger, K. Giewekemeyer, S. Kalbfleisch, M. Bartels, H. Neubauer, and T. Salditt  »View Author Affiliations


Optics Express, Vol. 18, Issue 13, pp. 13492-13501 (2010)
http://dx.doi.org/10.1364/OE.18.013492


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Abstract

We have combined two high transmission planar x-ray waveguides glued onto each other in a crossed geometry to form an effective quasi-point source. From measurements of the far-field diffraction pattern, the phase and amplitude of the near-field distribution is retrieved using the error-reduction algorithm. In agreement with finite difference field simulations (forward calculation), the reconstructed exit wave intensity distribution (inverse calculation) exhibits a full width at half maximum (FWHM) below 15 nm in both dimensions. Finally, holographic imaging is successfully demonstrated for the crossed waveguide device by translation of a lithographic test structure through the waveguide beam.

© 2010 Optical Society of America

OCIS Codes
(110.7440) Imaging systems : X-ray imaging
(340.7440) X-ray optics : X-ray imaging

ToC Category:
X-ray Optics

History
Original Manuscript: January 25, 2010
Revised Manuscript: March 18, 2010
Manuscript Accepted: April 27, 2010
Published: June 8, 2010

Citation
S. P. Krüger, K. Giewekemeyer, S. Kalbfleisch, M. Bartels, H. Neubauer, and T. Salditt, "Sub-15 nm beam confinement by two crossed x-ray waveguides," Opt. Express 18, 13492-13501 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-13-13492


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