Fig. 1From: A microscope using Zernike’s phase contrast method and a hard x-ray Gabor hologramOptical arrangement for the recording of a hard X-ray Gabor hologram. IU is an in-vacuum undulator, M a monochromatic meter, CS1 a cross-slit aperture for a pseudo-point source of size 50 × 50 μm, CS2 a cross-slit aperture for spatial filtering of size 2 × 2 μm, and FZP a Fresnel zone plateBack to article page