ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,533, issued on April 1, was assigned to Coherent Inc. (Santa Clara, Calif.).
"Spectrally broadening ultrashort-pulse compressor" was invented by Nick Hartmann (Seattle) and Michael Hertwig (San Ramon, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrashort-pulse compressor includes (a) one or more bulk-optics intersecting a propagation path of an ultrashort-pulsed laser beam multiple times to spectrally broaden a pulse of the laser beam during each of multiple passes through the bulk-optic(s), (b) one or more dispersive optics for compressing a duration of the pulse after each of the multiple passes, and (c) a plurality of focusing eleme...