SNSPD
Cryostat
Through the 1-2 intermediate stage auxiliary cooling of the ultra-low temperature cold head, the ultra-low temperature level cold head is reduced to reduce its working temperature and extend its working time.
There is no helium loss during operation.
Cooling temperature | 300mK | 300mK |
Low temperature retention time | More than 24 h | Long-term |
Cold position | 2-3 set | 2-3 set |
Working medium | 4He3He | 4He3He |