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DRY ICE 300mK He-3 Cryostat
The DRY ICE Helium-3 system is a closed cycle, continuous system with the highest cooling powers at 300mK currently on the market. This compact cryostat is customisable to suit your requirements, particularly for large heat load experiments.
The cooler is isolated using flexible bellows to minimise vibration which extends into the cryostat where thermal contact to the rest of the system is obtained by the introduction of exchange gas. There is no mechanical contact to any other part of the system from the cooler.
Using the ICECUBE automatic gas handling system, the flow of gas during cool-down and operation can be controlled.
The system is designed to run continuously at 3He temperatures (below 350mK).
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Temperature range |
300mK to 325K |
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Cooling power |
50µW at 380mK, 100µW at 385mK, 500µW at 400mK, 2mW at 457mK |
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Temperature Stability |
±5mK below 1K, ±10mK below 10K, ±20mK between 10-50, ±50mK between 50-100K, ±100mK for temperatures ≥100K |
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Sample environment |
Vacuum |
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Sample space |
D. 300mm as standard (custom sizes available) |
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Vibration at sample |
±20 nm with anti-vibration options (pictured) |
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Cool down time to |
<12 hours to <500mK |
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Compressor |
Air or water cooled options available |
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Wiring |
Multiple coax lines - DC, RF and fiber optic options available |
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Optical access |
Multiple windows available (see window materials) |
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Base temperature |
300mK |
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Hold time |
N/A |
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Temperature controller |
Lakeshore 336 as standard (Other controllers available on request) |
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Magnetic Field |
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