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:
Jul. 14, 2026

Filed:

Aug. 07, 2025
Applicants:

Tongji University, Shanghai, CN;

National Institute of Metrology, China, Beijing, CN;

Inventors:

Xinbin Cheng, Shanghai, CN;

Xiao Deng, Shanghai, CN;

Cong Yin, Beijing, CN;

Jianbo Wang, Beijing, CN;

Tongbao Li, Shanghai, CN;

Tong Zhou, Shanghai, CN;

Dongbai Xue, Shanghai, CN;

Guangxu Xiao, Shanghai, CN;

Junyu Shen, Shanghai, CN;

Zhijun Yin, Shanghai, CN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/28 (2006.01); G01R 23/14 (2006.01); G02F 1/35 (2006.01); G02F 1/355 (2006.01); G02F 1/37 (2006.01);
U.S. Cl.
CPC ...
G01J 3/28 (2013.01); G01R 23/145 (2013.01); G02F 1/3503 (2021.01); G02F 1/3551 (2013.01); G02F 1/3558 (2013.01); G02F 1/37 (2013.01); G01J 2003/2866 (2013.01); G01J 2003/2873 (2013.01); G02F 2202/20 (2013.01);
Abstract

The present disclosure relates to a method and a device of a 425 nm wavelength reference construction based on fluorescence-induced effect. The method comprises: a continuously tunable laser, an atomic furnace, a chromium atomic beam, an optical frequency comb, a frequency doubling optical path, a bias-preserving fiber beam splitter, a bias-preserving fiber beam combiner, a beat-frequency detection optical path, an optoelectronic receiver, and a frequency counter atomic furnace.


Find Patent Forward Citations

Cheng, Xinbin. (2026). Methods and devices of 425nm wavelength reference construction based on fluorescence-induced effect (U.S. Patent No. 12680871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12680871

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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