Cryogen-free dilution refrigerator – BF2

Internal designationBF2
Technical resource(s)Christian Lupien
Michael Lacerte
Types of analysis
Electrical measurements at very low temperatures.
Possibility to apply a 2 T magnetic field.
Quantitative, semi-quantitative, qualitative
Sample size (mm)
min: -
max: diameter 30 cm x 35 cm height
Temperature (K)min: 10 mK
max: 1.5 K
Magnetic field (T)min: - 2T
max: 2 T
Measurements: DC or microwave?DC and microwave measurements
Time required to cool the sample downApproximately 24 h (except when the magnet is installed)
Specific featuresCryogen-free equipment - liquid helium not used
Cooling power: 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 filtered thermocoax lines
Possibility to add 4 K 40 GHz lines
What makes it unique?Possibility to install a 2 T magnet with 19 cm of internal diameter.

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