Table 1 Summary of waveguide and measurement parameters
ID | CC085NbTi | CC085Nb | CC141Al | CC085Cu | WR90Alc | WR90Al | WR90CuSn |
|---|---|---|---|---|---|---|---|
dim. [mm (in)] | 2.2 (0.085) | 2.2 (0.085) | 3.6 (0.141) | 2.2 (0.085) | WR90 | WR90 | WR90 |
conductor | NbTi/NbTi | Nb/Nb | Al/SPC | Cu/SPCW | coated Al | Al | Cu-Sn |
dielectric | ldPTFE | ldPTFE | ldPTFE | sPTFE | vacuum | vacuum | vacuum |
length [mm (in)] | 110 | 110 | 900 | 120 | 304.8 (12) | 304.8 (12) | 304.8 (12) |
T(BT) [mK] | 120 | 50 | 60 | 15 | 60 | 25 | 50 |
T(4K) [K] | 4.0 | 4.0 | 4.0 | 4.1 | 4.3 | 4.0 | 4.0 |
ν range [GHz] | 4.2-12.7 | 4.1-12.5 | 3.5-12.7 | 3.6-12.7 | 7.9-12.3 | 7.7-12.8 | 7.7-12.8 |
n̅(BT) | 0.1-2 | 0.3-10 | 1-2 | 1-3 | 0.2-1 | 1-4 | 1-3 |
n̅(4K) | 0.4-5 | 0.2-4 | 8-16 | 4-9 | 2-10 | 3-12 | 5-20 |