Abstract

We present what we believe to be the first implementation of Fourier transform (FT) holography using a tabletop coherent x-ray source. By applying curvature correction to compensate for the large angles inherent in high-NA coherent imaging, we achieve image resolution of 89 nm using high-harmonic beams at a wavelength of 29 nm. Moreover, by combining holography with iterative phase retrieval, we improve the image resolution to <53 nm. We also demonstrate that FT holography can be used effectively with short exposure times of 30 s. This technique will enable biological and materials microscopy with simultaneously high spatial and temporal resolution on a tabletop soft-x-ray source.

© 2009 Optical Society of America

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History
Original Manuscript: November 13, 2008
Manuscript Accepted: March 10, 2009
Revised Manuscript: February 17, 2009
Published: May 19, 2009

References

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Author Affiliations

W. F. Schlotter

Stanford Synchrotron Radiation Laboratory

K. S. Raines, J. Miao

University of California, Los Angeles

R. L. Sandberg, D. A. Raymondson, C. La-o-vorakiat, A. Paul, M. M. Murnane, H. C. Kapteyn

University of Colorado at Boulder

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