US Patent Issued to NKT PHOTONICS on April 15 for "Preform for optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof" (Danish Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,829, issued on April 15, was assigned to NKT PHOTONICS A/S (Birkerod, Denmark).

"Preform for optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof" was invented by Jens Kristian Lyngso (Kobenhavn S, Denmark), Christian Jakobsen (Virum, Denmark), Jesper Skov Gretlund (Kobenhavn S, Denmark) and Harald R. Simonsen (Lejre, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber having an axial direction and a cross section perpendicular to the axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light...