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Optical phase conjugation with less than a photon per degree of freedom
M. Jang, C. Yang, I. M. Vellekoop
We demonstrate experimentally that optical phase conjugation can be used to focus light through strongly scattering media even when far less than a photon per optical degree of fre…
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…
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…