Diffractive shear interferometry for extreme ultraviolet high-resolution lensless imaging
Optics
2018-05-23 v2
Abstract
We demonstrate a novel imaging approach and associated reconstruction algorithm for far-field coherent diffractive imaging, based on the measurement of a pair of laterally sheared diffraction patterns. The differential phase profile retrieved from such a measurement leads to improved reconstruction accuracy, increased robustness against noise, and faster convergence compared to traditional coherent diffractive imaging methods. We measure laterally sheared diffraction patterns using Fourier-transform spectroscopy with two phase-locked pulse pairs from a high harmonic source. Using this approach, we demonstrate spectrally resolved imaging at extreme ultraviolet wavelengths between 28 and 35 nm.
Cite
@article{arxiv.1802.07630,
title = {Diffractive shear interferometry for extreme ultraviolet high-resolution lensless imaging},
author = {G. S. M. Jansen and A. C. C. de Beurs and X. Liu and K. S. E. Eikema and S. Witte},
journal= {arXiv preprint arXiv:1802.07630},
year = {2018}
}