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The DRY ICE DYAD is a closed cycle system capable of cooling to 1.7K whilst providing excellent optical access and ultra-low vibration. The sample unit is held separately from the cold head and the main body of the cryostat on an optical table. The two are connected only by a soft thermal link to reduce vibration to a minimum. 

The sample space environment can be switched between a top loading exchange gas module and a vacuum module within a couple of hours, making it a flexible solution for multiple applications in busy labs. 

Customisation of the wiring and the addition of magnetic fields, nanopositioners and low temperature objectives are available. 

FEATURESClick to view
SPECIFICATIONClick to viewClick to close
  Sample in Exchange Gas Sample in Vacuum

Temperature range

1.8K to 300K

1.7K to 300K

Cooling power

25mW @ 1.8K, 50mW @ 2K, 75mW @ 2.3K, 100mW @ 2.9K

Temperature Stability

± 5mK below 2.5K, ± 20mK between 4K and 50K, ± 5mK above 50K

Sample environment

Exchange Gas Vacuum

Sample space

Ø 50mm

170mm x 100mm (Ø 150mm cold plate)

Vibration at sample 


Cooldown time to base*

Probe cooldown time:

1 hour 40 minutes

System Cooldown: 14 hours


Air or water-cooled options available


DC, RF, and fiber optic options available

Up to 6 custom wiring ports

Optical access 

Up to 4 windows available

(see window materials)

Up to 5 windows available

(see window materials)

Base temperature


Single Shot: 1.7K 

Continuous 1.8K

Temperature controller

Lakeshore 336 as standard (Other controllers available on request)

Magnetic Field

Solenoid, Split pair, and Vector magnets available

*without wiring

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Brochure                   Vibration Graph


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