ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,177, issued on Dec. 16, was assigned to DUKE UNIVERSITY (Durham, N.C.).

"Method and system of polarization microscopy imaging" was invented by Xiang Dai (Durham, N.C.), Roarke Horstmeyer (Durham, N.C.), Shiqi Xu (Durham, N.C.) and Pavan Chandra Konda (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microscopy system includes a lens, an image sensor, a planar array of light sources, and a first and second polarizing filter. The lens is disposed between the array and the image sensor. The image sensor has a field of view and is positioned to capture an image of a sample in a target area. Each light source provides light from a different ...