Hyperfine interactions of ${\text{Er}}^{3+}$ ions in ${\text{Y}}_2{\text{SiO}}_5$: electron paramagnetic resonance in a tunable microwave cavity

Yu-Hui Chen, Xavier Fernandez-Gonzalvo, Sebastian P. Horvath +2

The hyperfine structure of the ground state of erbium doped yttrium orthosilicate is analyzed with the use of electron paramagnetic resonance experiments in a tunable microwave res…