High-resolution imaging by fourier transform X-ray holography

Ian McNulty*, Janos Kirz, Chris Jacobsen, Erik H. Anderson, Malcolm R. Howells, Dieter P. Kern

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

223 Scopus citations

Abstract

Fourier transform x-ray holography has been used to image gold test objects with sub-micrometer structure, resolving features as small as 60 nanometers. The hologram-recording instrument uses coherent 3.4-nanometer radiation from the soft x-ray undulator beamline X1A at the National Synchrotron Light Source. The specimen to be imaged is placed near the first-order focal spot produced by a Fresnel zone plate; the other orders, chiefly the zeroth, illuminate the specimen. The wave scattered by the specimen interferes with the spherical reference wave from the focal spot, forming a hologram with fringes of low spatial frequency. The hologram is recorded in digital form by a charge-coupled device camera, and the specimen image is obtained by numerical reconstruction.

Original languageEnglish (US)
Pages (from-to)1009-1012
Number of pages4
JournalScience
Volume256
Issue number5059
DOIs
StatePublished - Jan 1 1992

ASJC Scopus subject areas

  • General

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