Category: Cryogen-Free

Range of products available from JanisULT that are Cryogen-Free and that incorporate pulse tube (PTR) or Gifford McMahon (GM) cryocoolers, eliminating the cost and logistical difficulties of using liquid helium.

HE-3-SSXGAS-PT-2-NEUTRON Helium-3 Cryostat

Standard ConfigurationSpecificationsOther ConfigurationsStandard Configuration”Dry” System, sample in either exchange gas or vacuumMulti-function Cryogen-free Helium-3 Cryostat with Sample in Either Vacuum or Helium-3 Exchange GasJanisULT is pleased to introduce a new multi-function cryogen free Helium-3 design that has the sample in either vacuum or in Helium-3 exchange gas. The new system is configured for neutron scattering, […]

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HE-3-BLSUHV-PT-ARPES Helium-3 Cryostat

Standard ConfigurationSpecificationsOther ConfigurationsStandard ConfigurationHE-3-BLSUHV-PT-ARPES”Dry” System – Bottom Sample Loading into UHV.Cryostat designThe JanisULT dry sub-K ARPES cryostat is designed and fabricated for true UHV operation, and can be baked to 90C. A two-stage pulse tube refrigerator (PTR) cools two internal platforms and thermal shields to 35 K (first stage) and 3 K (second stage.) The […]

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HE-3-TLSXGAS-PT Helium-3 Cryostat

Standard ConfigurationSpecificationsStandard Configuration”Dry” System – Top Loading – Sample in Exchange Gas – for High Pressure Diamond Anvil Cell (DAC)JanisULT is proud to announce the development of a top-loading cryogen-free Helium-3 cryostat with sample in exchange gas for high pressure diamond anvil cell (DAC) having broad operating temperatures between 0.32 K and 300 K. An […]

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HE-3-SSV-PT-2 Helium-3 Cryostat

Standard ConfigurationSpecificationsOther ConfigurationsStandard Configuration”Dry” System – Standard Sample Loading – Sample in VacuumIn the midst of the current He-3 gas shortage crisis, JanisULT is very proud to announce the development of the next generation cryogen-free He-3 cryostat system, with substantially enhanced operating efficiency.JanisULT has improved on its cryogen-free helium-3 cryostat design with its second generation […]

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“Dry” 3He Cryostats Cryogen-free Helium-3 cryostats for cooling samples in a variety of environments.Product Category OptionsSample in VacuumSample in Exchange GasSample in UHV EnvironmentHE-3-SSV-PT-2Standard Loading, Sample in VacuumJanisULT has improved on its cryogen-free helium-3 cryostat design for cooling samples in vacuum.  Model HE-3-SSV-PT-2 utilizes the additional cooling power from the regenerator to pre-cool the He-3 […]

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JDry-500-TLSV Dilution Refrigerator

Standard ConfigurationSpecificationsStandard ConfigurationJanisULT is pleased to announce that it is offering the model JDry-500-TLSV top-loading cryogen-free dilution refrigerator (DR) system with sample in vacuum. A rigid top-loading sample probe, together with vacuum load-lock and gate valve, is provided with the system, and it can be used to load the sample in vacuum while the dilution […]

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JDry-100-ASTRA Cryogen Free Dilution Refrigerator

Standard ConfigurationSpecificationsStandard ConfigurationJanisULT successfully supplied a JDry-100-ASTRA cryogen free 3He-4He dilution refrigerator, which has an ability to work in a wide range of tilting angles -20 to +53 degrees from vertical, providing cooling power to a novel type of sensor for cosmic microwave background studies.The instrument was installed in the cryogenic laboratory of the Physics […]

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JDry-100-ACTPol Cryogen-free dilution refrigerator Cool science below 100 mK at 5140 meters elevation!OverviewOverviewUltra-low temperature polarization-sensitive receiver for millimeter-wavelength Atacama Cosmology TelescopeJanisULT group is proud to announce that it has developed, in collaboration with multi-agency scientific collaboration team called ACTPol, a new pulse-tube cooled cryogenic platform for the Atacama Cosmology Telescope (ACT).The ACT is a six-meter […]

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Automated Gas Handling Systems

OverviewJACoBStandard ConfigurationOverviewJanisULT’s second-generation Gas Handling System (GHS2) contains JanisULT Automated Control Box (JACoB), JanisULT Mixture Enclosure (JAMiE) and Pumping Station (PS). It can be used for both the JDry series cryogen free and JDR series “wet” dilution refrigerator systems. (The model 100 series does not require a Roots Pumping Stations.)JACoBJanisULT Automated Control BoxJACoB is a […]

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