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.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Mar. 28, 2022
University of Science and Technology of China, Anhui, CN;
Mengze Shen, Anhui, CN;
Zhiping Yang, Anhui, CN;
Xi Kong, Anhui, CN;
Fazhan Shi, Anhui, CN;
Jiangfeng Du, Anhui, CN;
University of Science and Technology of China, Anhui, CN;
Abstract
Provided is a device based on ensemble nitrogen-vacancy centers, including: a right-angle prism; a dichroic parabolic condensing lens, a bottom opening oblique plane of the dichroic parabolic condensing lens is fixed on an oblique plane of the right-angle prism, and the dichroic parabolic condensing lens is configured to polarize the ensemble nitrogen-vacancy centers by an incident laser and collect a fluorescence signal at the ensemble nitrogen-vacancy center; a diamond, the diamond is a layered diamond, including a first face and a second face opposite to the first face, the first face is fixed at a top of a paraboloid of the dichroic parabolic condensing lens, and the second face includes the ensemble nitrogen-vacancy centers; a Lenz lens attached to the second face and configured to converge microwave magnetic field; a microwave coil located above the Lenz lens and configured to apply microwave magnetic field to the ensemble nitrogen-vacancy centers.