US Patent Issued to Lawrence Livermore National Security on July 15 for "Three phase spectral interferometry" (California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,972, issued on July 15, was assigned to Lawrence Livermore National Security LLC (Livermore, Calif.).

"Three phase spectral interferometry" was invented by Ryan Douglas Muir (Livermore, Calif.), John E. Heebner (San Ramon, Calif.) and Daniel Ernest Mittelberger (Livermore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems and devices are described that enable measurement and characterization of complex laser pulses by relying on three interferograms that are measured simultaneously. The described three-phase spectral interferometry (3PSI) can meet the growing demand for optical recorders with long record and 1 ps or finer resolu...