Magnetic Field Imaging with Nitrogen-Vacancy Ensembles

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Magnetic Field Imaging with Nitrogen-Vacancy Ensembles

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dc.contributor.author Pham, Linh My
dc.contributor.author Le Sage, David Anthony
dc.contributor.author Stanwix, Paul L.
dc.contributor.author Yeung, Tsun Kwan
dc.contributor.author Glenn, David R.
dc.contributor.author Trifonov, Alexei
dc.contributor.author Cappellaro, Paola
dc.contributor.author Hemmer, Philip
dc.contributor.author Lukin, Mikhail D.
dc.contributor.author Park, Hongkun
dc.contributor.author Yacoby, Amir
dc.contributor.author Walsworth, Ronald L.
dc.date.accessioned 2012-11-27T16:44:32Z
dc.date.issued 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.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:9949242
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 http://walsworth.physics.harvard.edu/publications/2011_Pham_NJP.pdf 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
dash.depositing.author Lukin, Mikhail D.
dc.date.available 2012-11-27T16:44:32Z

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  • FAS Scholarly Articles [6466]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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