Table 2 Measured RF parameters of the different prototype cavities at room temperature
From: Niobium quarter-wave resonator with the optimized shape for quantum information systems
Material | Cu | Nb | Nb | Nb |
|---|---|---|---|---|
Shape | Optimized | Simple | Optimized∗ | Optimized† |
Resonant frequency \(f_{0}\), MHz | 6001 | 6015 | 6160 | 5851 |
Internal Q-factor | 2631 | 885 | 550 | 1084 |