All-optical low-field magnetometry of superconductors using NV nanodiamonds.

The datasets are for the plots of the article titled: All-optical low-field magnetometry of superconductors using NV nanodiamonds, published in the journal Measurement. DOI: 10.1016/j.measurement.2026.122080 Acknowledgments The authors thank Dieter Koelle, Patrick Maletinsky, and Kamal Raj Joshi for helpful discussions. UJ acknowledges the use of Tidy3D (Flexcompute Inc.) for modelling nanodiamond optical emission. This work was supported by the European Commission (Horizon Europe, MUQUABIS, GA No. 101070546), the German Federal Ministry of Education and Research (BMBF, DIAQNOS, No. 13N16455), the Helmholtz Association (QS4Physics), the Deutsche Forschungsgemeinschaft (DFG, SFB 1552, Project No. 465145163), National Science Centre, Poland, grants 2020/39/I/ST3/02322, 2024/53/N/ST3/04343 and grants 2021 /03/Y/ST3/00185, 2023 /05/Y/ST3/00135 within the QuantERA II Programme that has received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No. 101017733.