ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,849, issued on July 29, was assigned to nLIGHT Inc. (Camas, Wash.).

"Tandem pumped fiber amplifier" was invented by Manoj Kanskar (Portland, Ore.) and Jiamin Zhang (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example, a tandem pumped fiber amplifier may include a seed laser, a first section coupled to an output of the seed laser, and a second section coupled to an output of the first section. The first section may operate as an oscillator, and may receive pump light from one or more diode pumps, and may the first section may be arranged to convert the one or more diode pumps into a tandem pump. The second section may operat...