公开(公告)号：US11852701B2

公开(公告)日：2023-12-26

申请号：US17427127

申请日：2020-01-29

Applicant: The University of Warwick

Inventor： Angelo Frangeskou ,  Gavin Morley ,  Ben Green ,  Ben Breeze ,  Matthew Dale ,  Rajesh Patel

IPC: G01V3/00 ,  G01R33/24 ,  G01R33/44 ,  G02B6/32 ,  G02B6/42

CPC classification number: G01R33/24 ,  G01R33/445 ,  G02B6/32 ,  G02B6/4204

Abstract: A defect centre-based sensor is disclosed. The sensor comprises instrumentation which includes a generator for causing excitation in an active element, for example a diamond, and a detector for measuring a transition in the active element. The generator is an optical source and/or the detector is an optical detector. The sensor further comprises an optical waveguide and a sensor head in communication with the source and/or the detector via the optical waveguide. The sensor head houses the active element having at least one defect centre, for example, a nitrogen vacancy, responsive to an applied magnetic field, electric field or temperature and a signal delivery arrangement, for example at least one lens, arranged to optically couple the optical waveguide to the active element.