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Reduce noise for lower electron temperatures with cold, low pass filtering
In addition to the screened measurement cable there is a low-pass multi-stage filter can be mounted at cryogenic temperatures down to below 100 mK. This has the ability to filter 24 signal lines with filter options of 4 different cut-off frequencies. The filter is constructed in an Au plated Cu chassis with RF gaskets to provide screening and thermal dumping for the filter PCB. The filter components are carefully selected surface mount components which provide very good value stability over the temperature range from ambient to sub 100 mK.
Active magnetic field cancellation for reduced Eddy current heating
In combination with our ultra-low vibration platform, our actively cancelled magnets enable reduced eddy current heating due to vibration at static field for the lowest possible base temperatures. Eddy current heating during sweeping field is also significantly reduced.
Our actively cancelled magnets reduce magnetic field strength at the mixing chamber to less than 10 mT, whilst also reducing the stray field in the external environment and are recommended for all of our 5 mK magnet systems.
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