Measuring electric fields with nitrogen-vacancy ensembles for neutron electric dipole moment experiments

Chris Hovde; Sarvagya Sharma; Fahad Alghannam; Douglas H. Beck

doi:10.1117/12.2300032

23 February 2018 Measuring electric fields with nitrogen-vacancy ensembles for neutron electric dipole moment experiments

Chris Hovde, Sarvagya Sharma, Fahad Alghannam, Douglas H. Beck

Author Affiliations +

Proceedings Volume 10531, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI; 105310Z (2018) https://doi.org/10.1117/12.2300032
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Precise measurements of the dipole moment of the neutron test the standard model of particle physics. Typical experiments detect the evolution of neutrons in magnetic and electric fields. Achieving high sensitivity requires stable and homogeneous fields. We are investigating nitrogen-vacancy diamonds for sensing electric fields. As a first step we have measured electric fields by optically-detected magnetic resonance. Near avoided crossings a first-order Stark effect is observed. Line positions can be measured to about 5 kHz, allowing electric fields to be measured to about 2 kV/cm. Extending the technique to use electromagnetically-induced transparency will allow for an all-optical probe, but may introduce issues of systematic errors in the electric field measurement.

Citation Download Citation

Chris Hovde, Sarvagya Sharma, Fahad Alghannam, and Douglas H. Beck "Measuring electric fields with nitrogen-vacancy ensembles for neutron electric dipole moment experiments", Proc. SPIE 10531, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI, 105310Z (23 February 2018); https://doi.org/10.1117/12.2300032

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