mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal University10.26907/mrsej-23203mrisel-24Research ArticleСтатьиLow cost ODMR attachment for commercial EPR spectrometersZverevD. G.

Kremlevskaya 18, Kazan 420008

dmitry.zverev@gmail.comMurzakhanovF. F.

Kremlevskaya 18, Kazan 420008

SadovnikovaM. A.

Kremlevskaya 18, Kazan 420008

YavkinB. V.

Kremlevskaya 18, Kazan 420008

Kazan Federal UniversityRussian Federation20231212202325223203 (6 pp.)Copyright © Zverev D.G., Murzakhanov F.F., Sadovnikova M.A., Yavkin B.V., 20232023Zverev D.G., Murzakhanov F.F., Sadovnikova M.A., Yavkin B.V.Zverev D.G., Murzakhanov F.F., Sadovnikova M.A., Yavkin B.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/24

The low-cost device for optical detection of magnetic resonance (ODMR) has been developed for use with commercial electron paramagnetic resonance spectrometers. The equipment is based on a scheme with coaxial optical fibers, where the excitation is transmitted through a central fiber with a diameter of 400 μm, and the photoluminescence signal is collected using seven optical fibers with a diameter of 200 μm. The device has the ability to modulate the excitation radiation, microwave frequency and magnetic field. The ODMR attachment has been tested on standard and well-known NV - (nitrogen-vacancy) paramagnetic centers in diamonds. ODMR experiments were carried out in the X-band (9.4 GHz) frequency range with a magnetic field B0 sweeping from 220 to 470 mT. The best signal-to-noise ratio was obtained by modulating of the magnetic field

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The authors declare that there are no conflicts of interest present.