US Patent Issued to CORNING on May 20 for "Low-coherence interferometer with surface power compensation" (New York Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,981, issued on May 20, was assigned to CORNING Inc. (Corning, N.Y.).

"Low-coherence interferometer with surface power compensation" was invented by Joshua Monroe Cobb (Victor, N.Y.) and Steven James Van Kerkhove (Webster, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low-coherence Fizeau interferometer includes a first beamsplitter, a test arm and a reference arm, the first beamsplitter splits light into a first portion of light directed to the test arm and a second portion of light directed to the reference arm, and an imaging arm comprising a first collimating lens, a flat reference surface, and a test element. The test arm focuses the fir...