Fiber-optic magnetic-field imaging.
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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.
author list (cited authors)
Fedotov, I. V., Doronina-Amitonova, L. V., Sidorov-Biryukov, D. A., Safronov, N. A., Blakley, S., Levchenko, A. O., ... Zheltikov, A. M.
complete list of authors
Fedotov, IV||Doronina-Amitonova, LV||Sidorov-Biryukov, DA||Safronov, NA||Blakley, S||Levchenko, AO||Zibrov, SA||Fedotov, AB||Kilin, S Ya||Scully, MO||Velichansky, VL||Zheltikov, AM