Fiber-optic vectorial magnetic-field gradiometry by a spatiotemporal differential optical detection of magnetic resonance in nitrogen-vacancy centers in diamond

Highly sensitive room-temperature vectorial magnetic-field gradiometry is demonstrated using optically detected magnetic resonance (ODMR) in fiber-coupled nitrogen-vacancy (NV) centers in diamond. With a bulk NV-diamond magnetometer coupled to a pair of optical fibers integrated with a microwave tra...

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Bibliographic Details
Published inOptics letters Vol. 41; no. 9; p. 2057
Main Authors Blakley, S M, Fedotov, I V, Amitonova, L V, Serebryannikov, E E, Perez, H, Kilin, S Ya, Zheltikov, A M
Format Journal Article
LanguageEnglish
Published United States 01.05.2016
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Summary:Highly sensitive room-temperature vectorial magnetic-field gradiometry is demonstrated using optically detected magnetic resonance (ODMR) in fiber-coupled nitrogen-vacancy (NV) centers in diamond. With a bulk NV-diamond magnetometer coupled to a pair of optical fibers integrated with a microwave transmission line, the differential ODMR measurements are implemented in both space and time, with magnetic-field gradient measurements supplemented with differential ODMR signal detection in the time domain, allowing efficient noise cancellation and providing a sensitivity of magnetogradiometry at the level of 10   nT/(nmHz ).
ISSN:1539-4794
DOI:10.1364/OL.41.002057