US Patent Issued to biolitec Holding on April 15 for "Preforms for speckle-free output optical fibers having structured silica sections, methods of such preform manufacture, and improved speckle-free output optical fibers" (Austrian, Latvian Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,830, issued on April 15, was assigned to biolitec Holding GmbH & Co KG (Vienna).

"Preforms for speckle-free output optical fibers having structured silica sections, methods of such preform manufacture, and improved speckle-free output optical fibers" was invented by Wolfgang Neuberger (Vienna) and Andrey Grischenko (Riga, Latvia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The production and new type of preforms are presented which yield, upon drawing, new, class of optical fibers, improved, speckle-free output optical fibers. Useful fibers, providing speckle-free, smooth output with flat top transmission of light from gaussian or few mode sources ...