ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,926, issued on April 14, was assigned to THE UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE (Charlotte, N.C.).

"Quantitative phase imaging with nonlinearly polarized light using a birefringent liquid crystal cell and related methods" was invented by Rosario Guadalupe Porras Aguilar (Concord, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quantitative phase contrast imaging system comprises a light source configured to generate light and to direct the light to a sample, wherein the light comprises nonlinearly polarized light; a first lens configured to receive light from the sample; a phase filter, wherein the first lens is configured to focus the...