Pulse Tube Cryocoolers

Pulse tube refrigerators are available in single stage (to about 50 K) and two stage (to 3 K) designs, and are especially useful where vibrations must be controlled.  Pulse tube refrigerators eliminate the moving internal regenerator found in most other types of cryocoolers, resulting in lower mechanical vibrations (especially as measured at the vacuum mounting flange).  When combined with ... 

Pulse tube refrigerators are available in single stage (to about 50 K) and two stage (to 3 K) designs, and are especially useful where vibrations must be controlled.  Pulse tube refrigerators eliminate the moving internal regenerator found in most other types of cryocoolers, resulting in lower mechanical vibrations (especially as measured at the vacuum mounting flange).  When combined with vibration-isolation techniques such as flexible thermal braids, pulse tube cooler displacements can be reduced to a level compatible with sensitive detectors and nanoscale devices.

Pulse Tube Cryocoolers - Two-Stage Pulse Tube Cryocooler
Two-Stage Pulse Tube Cryocooler

Sumitomo Heavy Industries has expanded their product line yet again with the addition of a two-stage pulse tube cooler. With a base temperature of below 3.0 K, this new product extends the range of ...


Pulse Tube Cryocoolers - Pulse Tube Based 4 K Closed Cycle Refrigerator Systems
Pulse Tube Based 4 K Closed Cycle Refrigerator Systems

Janis Research offers pulse tube cooled 4 K closed cycle refrigerators with sample in vacuum or sample in exchange gas.


Pulse Tube Cryocoolers - Pulse Tube Based 1.5 K Continuous Closed Cycle Refrigerator Cryostat
Pulse Tube Based 1.5 K Continuous Closed Cycle Refrigerator Cryostat

Janis Research is pleased to announce a new, low vibration pulse tube cryocooler that achieves liquid helium performance utilizing cryogen-free technology and a closed-loop system.

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