US Patent Issued to Nufern on March 25 for "Apparatus and method for spectrally shaping a laser beam" (Connecticut Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,405, issued on March 25, was assigned to Nufern (East Granby, Conn.).

"Apparatus and method for spectrally shaping a laser beam" was invented by Mitchell Underwood III (Hamden, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical apparatus for spectrally shaping a laser beam within a fiber MOPA laser is disclosed. The apparatus includes a birefringent optic and a linear polarizer. The laser beam is divided between two orthogonal polarization axes of the birefringent optic having polarization mode dispersion. Propagation of the laser beam through the birefringent optic causes a wavelength-dependent phase shift between components of the la...