Digital in-line soft x-ray holography with element contrast Rosenhahn, Axel ; Barth, Ruth ; Staier, Florian ; Simpson, Todd ; Mittler, Silvia ; Eisebitt, Stefan ; Grunze, Michael Abstract Publication: Journal of the Optical Society of America A Pub Date: 2008 DOI: 10.1364/JOSAA.25.000416 Bibcode: 2008JOSAA..25..416R