ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,911, issued on Jan. 28, was assigned to University of Central Florida Research Foundation Inc. (Orlando, Fla.).

"Single-shot low-light polarimeter" was invented by Aristide Dogariu (Orlando, Fla.) and Mahdi Eshaghi (Orlando, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polarimeter may include a non-polarizing beamsplitter to split an input beam into a first beam and a second beam, a corner-cube retroreflector to retroreflect the first beam as a polarization-split beam, and a mirror to retroreflect the second beam as a retroreflected second beam. A beam profile of the polarization-split beam includes six regions with different states of pola...