US Patent Issued to HERAEUS QUARZGLAS on March 17 for "Anti-resonance element preform for producing an anti-resonant hollow-core fiber" (German Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,143, issued on March 17, was assigned to HERAEUS QUARZGLAS GMBH & Co. KG (Hanau, Germany).

"Anti-resonance element preform for producing an anti-resonant hollow-core fiber" was invented by Manuel Rosenberger (Hanau, Germany), Jaqueline Plass (Hanau, Germany) and Kay Schuster (Bitterfeld-Wolfen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an anti-resonance ele-ment preform for producing an anti-resonant hollow-core fiber, in an axial top view comprising a circular first cir-cle element with a first circle radius and a circular arc-shaped first circular arc element with a first circular arc radius. Furthermore, the...