ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,092, issued on May 5.
"Spectral splitter device" was invented by Carles Oriach Font (Vilanova I la Geltru, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a spectral splitter device for transforming at least one initial light beam coming from a light source into more than two light beams, or vice versa, which includes: a first polarising beam splitter that splits the initial light beam into two orthogonally polarised beams; two optical elements respectively penetrated by the two orthogonally polarised beams; and a second polarising beam splitter and a third polarising beam splitter which split the two orthogonally polarised light bea...