Closed-loop dilution refrigerator

| Model | LD400 | |
|---|---|---|
| Manufacturer | Bluefors | |
| Usage name | BF2 | |
| Localisation | D2-0066 | |
| Technical ressource(s) | ||
| Types of analysis | Electrical measurements at very low temperatures. Possibility of applying a quantitative electric field. | |
| Quantitatve, semi-quantitative, qualitative | Quantitative | |
| Sample size (mm) | Min | |
| Max | Diameter of 30 cm on 35 cm height | |
| Temperature (K) | Min | 10 mK |
| Max | 1.5 K | |
| Magnetic field (T) | Min | - 2T |
| Max | 2T | |
| DC or microwave measurements? | Measurements DC and microwave | |
| Time required to cool down sample | Approx. 24 h (except when coil is installed) | |
| Specific characteristics | Cryogen-free equipment - no use of liquid helium. Cooling power of 550 μW at 100 mK and 18 μW at 20 mK. 16 high-frequency lines (18 GHz), 3 x 24 DC electrical lines (24 at 4 K, 48 at 10 mK) and 36 thermocoax-filtered lines. | |
| What makes it unique? | Possibility of adding 4 K 40 GHz lines. Possibility of installing a 2T coil with 19 cm internal diameter. | |