公开(公告)号：US20240219485A1

公开(公告)日：2024-07-04

申请号：US18557859

申请日：2022-03-28

Applicant: UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Mengze SHEN ,  Zhiping YANG ,  Xi KONG ,  Fazhan SHI ,  Jiangfeng DU

IPC: G01R33/032

CPC classification number: G01R33/032

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.