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Solving ptychography with a convex relaxation
Roarke Horstmeyer, Richard Y. Chen, Xiaoze Ou +3
Ptychography is a powerful computational imaging technique that transforms a collection of low-resolution images into a high-resolution sample reconstruction. Unfortunately, algori…
Translation correlations in anisotropically scattering media
Benjamin Judkewitz, Roarke Horstmeyer, Ivo M. Vellekoop +2
Controlling light propagation across scattering media by wavefront shaping holds great promise for a wide range of communications and imaging applications. However, finding the rig…
Wide-field, high-resolution Fourier ptychographic microscopy
Guoan Zheng, Roarke Horstmeyer, Changhuei Yang
In this article, we report an imaging method, termed Fourier ptychographic microscopy (FPM), which iteratively stitches together a number of variably illuminated, low-resolution in…
Reconfigurable random bit storage using polymer-dispersed liquid crystal
Roarke Horstmeyer, Sid Assawaworrarit, Changhuei Yang
We present an optical method of storing random cryptographic keys, at high densities, within an electronically reconfigurable volume of polymer-dispersed liquid crystal (PDLC) film…