ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,562, issued on June 23, was assigned to The Board of Trustees of the Leland Stanford Junior University (Stanford, Calif.).
"Polysaccharide hydrogel optical fibers and their fabrication and use" was invented by Utkan Demirci (Stanford, Calif.), Rajib Ahmed (Mountain View, Calif.), Rui L. Reis (Redwood City, Calif.) and Carlos F. Guimaraes (Redwood City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Optical fibers containing wet-spun multi-layer hydrogel cladding with ionic-crosslinked polysaccharides are provided. Optical fibers can be formed with step- or gradient-index architectures, fusion splicing, and facile rare-earth ion doping. Plasmo...