Volumetric incorporation of NV diamond emitters in nanostructured F2 glass magneto-optical fiber probes
At a Glance
Section titled âAt a Glanceâ| Metadata | Details |
|---|---|
| Publication Date | 2022-04-11 |
| Journal | Carbon |
| Authors | Adam Filipkowski, Mariusz MrĂłzek, Grzegorz StÄpniewski, Jakub Kierdaszuk, Aneta DrabiĹska |
| Institutions | University of Warsaw, Ĺukasiewicz Research Network |
| Citations | 24 |
Abstract
Section titled âAbstractâIntegration of optically active diamond particles with glass fibers is a powerful method of scaling diamondâs magnetic sensing functionality. We propose a novel approach for the integration of diamond particles containing nitrogen-vacancy centers directly into the fiber core. The core is fabricated by stacking the preform from 790 soft glass canes, drawn from a single rod dip-coated with submicron diamond particles suspended in isopropyl alcohol. This enables manual control over the distribution of nanoscale features, here - the diamond particles across the optical fiber core. We verify this by mapping the diamond distribution in the core using confocal microscopy. The particles are separated longitudinally by 12-29 Îźm, while in the transverse plane a separation of approximately 1.5-2.2 Îźm is observed, corresponding to the individual cane diameter in the final fiber, and without significant agglomeration. The fiberâs magnetic sensitivity is confirmed in optically detected magnetic resonance recorded with a coiled, 60-cm-long fiber sample with readout contrast of 1.3% limited by microwave antenna coverage. Moreover, magnetic-field dependence of the NVâ fluorescence intensity is demonstrated in the absence of microwaves, allowing magnetometric applications with a large (from 0 to 35 mT) B-field dynamic range.
Tech Support
Section titled âTech SupportâOriginal Source
Section titled âOriginal SourceâReferences
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