MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082943 A) filed by Google LLC on July 06, 2026, for Differential Stimulated Raman Spectroscopy With A Calibration Light Source For Background-Free Signal Detection.

Inventors include Shin, Jungwoo; Liao, Chien-Sheng; Tshitoyan, Vahe; Tsang, Cheongyuen William; Dobson, Kelly Elizabeth; and Chaudhury, Rafeed A. Number.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: The present disclosure provides methods, systems, and devices for estimating the presence of analytes in the tissue of a user. The system can include a Raman pump light source that emits pump light toward a tissue of the user at a pump wavelength. The system can include a Stokes light source that emits Stokes light toward the tissue at one or more Stokes wavelengths. The system can include a calibration light source that emits light towards the tissue at a calibration. The system can include a pulse controller that engages the Raman pump light source, the Stokes light source, and the calibration light source to generate a Raman signal and a non-Raman signal. The system can include a photodetector that measures light that emanates from the tissue. The system can include a processor that processes the measured light to provide an estimated analyte level of the analyte in the user.

Disclaimer: Curated by HT Syndication.