ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,787, issued on March 18, was assigned to NKT PHOTONICS A/S (Birkerod, Denmark).
"Lifetime extending and performance improvements of optical fibers via loading" was invented by Carsten L. Thomsen (Virum, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a microstructured optical fiber including loading the core and cladding materials of the fiber with hydrogen and deuterium at a loading temperature; annealing the fiber at a selected temperature Tanneal; pumping the fiber with radiation; and reducing the temperature of the fiber and storing the fiber at the reduced temperature before the step of pumping the fiber; and wherein ...