US Patent Issued to VERSITECH, ADVANCED BIOMEDICAL INSTRUMENTATION CENTRE on Nov. 4 for "Hybrid optical parametrically-oscillating emitter" (Chinese, American Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,020, issued on Nov. 4, was assigned to VERSITECH Ltd. (Hong Kong) and ADVANCED BIOMEDICAL INSTRUMENTATION CENTRE Ltd. (Hong Kong).

"Hybrid optical parametrically-oscillating emitter" was invented by Kenneth Kin Yip Wong (Hong Kong), Jiawei Shi (Hong Kong), Mingsheng Li (Boston) and Jiqiang Kang (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical-resolution photoacoustic microscopy (OR-PAM) system for visualizing water content deep in biological tissue uses an all-fiber 1930-nm hybrid optical parametrically-oscillating emitter. The emitter includes a tunable laser source whose output is amplified by a first erbium-doped fiber amplifie...