The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 10, 2026

Filed:

Jul. 07, 2022
Applicant:

Washington University, St. Louis, MO (US);

Inventors:

Lan Yang, St. Louis, MO (US);

Jie Liao, St. Louis, MO (US);

Assignee:

Washington University, St. Louis, MO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/44 (2006.01); G01J 5/0821 (2022.01); G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
G01J 5/44 (2013.01); G01J 5/0821 (2013.01); G06K 19/06028 (2013.01);
Abstract

Systems and methods for measuring a temperature using an optical whispering gallery mode (WGM) resonator are disclosed. The system includes a WGM resonator operatively coupled to a tunable laser source and a detector, as well as a computing device. The computing device is configured to transform a transmission spectrum from the detector into a measured barcode that includes a matrix of values indicative of at least one characteristic of the transmission spectrum. The computing device is further configured to transform the measured barcode into a temperature based on a relative collective shift of the measured barcode from a reference barcode selected from a predetermined library of reference barcodes.


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