US Patent Issued to Corning on March 17 for "Optical fiber with inverse triangular trench design" (New York Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,525, issued on March 17, was assigned to Corning Inc. (Corning, N.Y.).

"Optical fiber with inverse triangular trench design" was invented by Ming-Jun Li (Horseheads, N.Y.) and Pushkar Tandon (Painted Post, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A single mode optical fiber is provided that includes a core region having an outer radius r1 and a maximum relative refractive index triangle1max. The single mode optical fiber further includes a cladding region surrounding the core region, the cladding region includes a depressed-index cladding region, a relative refractive index triangle3 of the depressed-index cladding region increasing with...