Magnetic Field Imaging with Nitrogen-Vacancy Ensembles

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Magnetic Field Imaging with Nitrogen-Vacancy Ensembles

Show simple item record Pham, Linh My Le Sage, David Anthony Stanwix, Paul L. Yeung, Tsun Kwan Glenn, David R. Trifonov, Alexei Cappellaro, Paola Hemmer, Philip Lukin, Mikhail D. Park, Hongkun Yacoby, Amir Walsworth, Ronald L. 2012-11-27T16:44:32Z 2011
dc.identifier.citation Pham, Linh M., David Le Sage, Paul L. Stanwix, Tsun K. Yeung, David R. Glenn, Alexei Trifonov, Paola Cappellaro, et al. 2011. Magnetic field imaging with nitrogen-vacancy ensembles. New Journal of Physics 13(4): 045021. en_US
dc.identifier.issn 1367-2630 en_US
dc.description.abstract We demonstrate a method of imaging spatially varying magnetic fields using a thin layer of nitrogen-vacancy (NV) centers at the surface of a diamond chip. Fluorescence emitted by the two-dimensional NV ensemble is detected by a CCD array, from which a vector magnetic field pattern is reconstructed. As a demonstration, ac current is passed through wires placed on the diamond chip surface, and the resulting ac magnetic field patterns are imaged using an echo-based technique with sub-micron resolution over a \(140 \mu m\) x \(140 \mu m\) field of view, giving single-pixel sensitivity \(\sim 100 nT / \sqrt{Hz}\). We discuss ongoing efforts to further improve the sensitivity, as well as potential bioimaging applications such as real-time imaging of activity in functional, cultured networks of neurons. en_US
dc.description.sponsorship Engineering and Applied Sciences en_US
dc.description.sponsorship Physics en_US
dc.description.sponsorship Other Research Unit en_US
dc.language.iso en_US en_US
dc.publisher Institute of Physics en_US
dc.relation.isversionof doi:10.1088/1367-2630/13/4/045021 en_US
dc.relation.hasversion en_US
dash.license OAP
dc.subject diamond en_US
dc.subject spin en_US
dc.subject implantation en_US
dc.subject centers en_US
dc.title Magnetic Field Imaging with Nitrogen-Vacancy Ensembles en_US
dc.type Journal Article en_US
dc.description.version Version of Record en_US
dc.relation.journal New Journal of Physics en_US Lukin, Mikhail D. 2012-11-27T16:44:32Z

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