Lensless X-ray imaging in reflection geometry

Lensless X-ray imaging techniques such as coherent diffraction imaging1,2,3,4,5,6,7,8 and ptychography9,10,11, and Fourier transform holography12,13,14,15,16,17 can provide time-resolved, diffraction-limited images. Nearly all examples of these techniques have focused on transmission geometry, restricting the samples and reciprocal spaces that can be investigated. We report a lensless X-ray technique developed for imaging in Bragg and...