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Phys Rev Lett. 2007 Aug 31;99(9):098103. Epub 2007 Aug 29.

Lensless diffractive imaging using tabletop coherent high-harmonic soft-X-ray beams.

Author information

  • 1JILA and Department of Physics, University of Colorado, Colorado 80309, USA. Richard.Sandberg@colorado.edu

Abstract

We present the first experimental demonstration of lensless diffractive imaging using coherent soft x rays generated by a tabletop soft-x-ray source. A 29 nm high harmonic beam illuminates an object, and the subsequent diffraction is collected on an x-ray CCD camera. High dynamic range diffraction patterns are obtained by taking multiple exposures while blocking small-angle diffraction using beam blocks of varying size. These patterns reconstruct to images with 214 nm resolution. This work demonstrates a practical tabletop lensless microscope that promises to find applications in materials science, nanoscience, and biology.

PMID:
17931040
[PubMed - indexed for MEDLINE]
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