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 using high-harmonic beams at a wavelength of . Moreover, by combining holography with iterative phase retrieval, we improve the image resolution to . We also demonstrate that FT holography can be used effectively with short exposure times of . 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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