Fiber-optic magnetic-field imaging

We demonstrate a scanning fiber-optic probe for magnetic-field imaging where nitrogen-vacancy (NV) centers are coupled to an optical fiber integrated with a two-wire microwave transmission line. The electron spin of NV centers in a diamond microcrystal attached to the tip of the fiber probe is manip...

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Bibliographic Details
Published inOptics letters Vol. 39; no. 24; p. 6954
Main Authors Fedotov, I V, Doronina-Amitonova, L V, Sidorov-Biryukov, D A, Safronov, N A, Blakley, S, Levchenko, A O, Zibrov, S A, Fedotov, A B, Kilin, S Ya, Scully, M O, Velichansky, V L, Zheltikov, A M
Format Journal Article
LanguageEnglish
Published United States 15.12.2014
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Summary:We demonstrate a scanning fiber-optic probe for magnetic-field imaging where nitrogen-vacancy (NV) centers are coupled to an optical fiber integrated with a two-wire microwave transmission line. The electron spin of NV centers in a diamond microcrystal attached to the tip of the fiber probe is manipulated by a frequency-modulated microwave field and is initialized by laser radiation transmitted through the optical tract of the fiber probe. The two-dimensional profile of the magnetic field is imaged with a high speed and high sensitivity using the photoluminescence spin-readout return from NV centers, captured and delivered by the same optical fiber.
ISSN:1539-4794
DOI:10.1364/OL.39.006954