ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,375, issued on Sept. 30, was assigned to NATIONAL CENTRAL UNIVERSITY (Taoyuan, Taiwan).

"Spectrometer system with volume holographic light guide element" was invented by Wen-Kai Lin (Taoyuan, Taiwan), Shao-Kui Zhou (Taoyuan, Taiwan), Wei-Chia Su (Taoyuan, Taiwan), Ching-Cherng Sun (Taoyuan, Taiwan), Shiuan-Huei Lin (Taoyuan, Taiwan), Yeh-Wei Yu (Taoyuan, Taiwan) and Tsung-Hsun Yang (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectrometer system with a volume holographic light guide element includes two focusing lenses in addition to the volume holographic light guide element, which has a light guide element and two volume holo...