kiutra Cryostats

Cryogen-free Magnetic Refrigerators

All kiutra Cryostats are built around closed-cycle cryocoolers which provide a base temperature of less than 4 K. Depending on your needs, the system may be equipped with up to four ADR stages,  fitted with different cooling media to optimize the cooling power, cooling capacity, and minimum temperature of the system. In this way kiutra Cryostats provide single-shot cooling below 100 mK and continuous, cryogen-free cooling down to 300 mK.

  • Cryogen-free operation
  • Active stray-field compensation
  • Large temperature range (300 K - 80 mK)
  • Fully automatic and robust
  • Modular assembly and upgrades
L Cryostat Cooling Stage
L Cryostat top-view open
User Setup on Sample Puck
S Cryostat
S Cryostat Assembly
L-Cryostat
L-Cryostat
L-Cryostat
L-Cryostat
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Available Sizes

Available Configurations

Depending on your cooling demands, kiutra Cryostats may be configured with up to four ADR stages, offering single-shot cooling [ ] below 100 mK , as well as continuous, cryogen-free cooling [ ] below 300 mK

1-Stage Systems
S100g | L100g
  • 300 K - 4 K
  • < 1 K
S100f | L100f
  • 300 K - 4 K
  • < 0.1 K
1-Stage Packages
S100g | Optical Access
  • 300 K - 4 K
  • < 1 K
L100f | Early Career
  • 300 K - 4 K
  • < 0.1 K
L100f | Rapid Prototyping
  • 300 K - 4 K
  • < 0.1 K
2-Stage Systems
S200g | L200g
  • 300 K - 1 K
  • < 1 K
S200f | L200f
  • 300 K - 0.3 K
  • < 0.1 K
L201f
  • 300 K - 1.5 K
  • < 0.1 K
3-Stage System
L302c
  • 300 K - 0.5 K
  • < .08 K
4-Stage System

Our four stage systems for continuous operation down to 100 mK will be available soon

Available Add-ons

kiutra Cryostats can be equipped with a number of add-ons to offer dedicated solutions for various applications.

Automatic Sample Changer

kiutra offers a fully automatic top-loading load-lock system which allows the user to load samples in just a few minutes and cool them down to base temperature in only a couple of hours.

5 T Sample Magnet

kiutra develops and manufactures superconducting magnets that are optimized for magnetic refrigeration and provide active stray-field compensation.

Rapid Cooldown Switch

An additional thermal switch reduces the sample cooldown time and facilitates rapid prototyping and large sample turnovers.

Custom Wiring

kiutra offers various kinds of wiring such as DC and RF lines, or fiber optics.

3-Axes Optical Access

In combination with our S100g cryostat, kiutra offers the possibility for direct 3-axis optical access below 1K.

Magnetic Shielding

Mu-Metal shielding reduces the magnetic stray field at the sample position by two orders of magnitude.
Custom Magnets
kiutra manufactures high performance dry superconducting magnets for science and industry.
Cryostats
Become independent of your helium supply! Learn more about our completely cryogen-free sub-Kelvin cryostats here.
Compressor Control Unit
The compressor control unit allows to monitor and control your Sumitomo F70H helium compressor remotely.
Sample Magnet
kiutra Cryostats can be equipped with our 5 T sample magnet.
Automatic Sample Changer
Change your sample in just a few seconds and cool the sample to base temperature in less than 3 hours.
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