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Pulse-tube cooler for producing liquid-helium temperatures.

Pulsröhrenkühler zur Erzeugung von Temperaturen im Bereich des flüssigen Heliums.

Author(s) : THUMMES G., WANG C., BENDER S., HEIDEN C.

Summary

The authors present two two-stage pulse-tube coolers developed since 1995 for liquid-helium working temperatures. In both coolers the pressure oscillation is produced through a commercial helium compressor combined with a rotary valve. Temperatures as low as 2.07 K were reached, and at 4.2 K refrigerating capacity of 25 milliwatts was produced. No precooling is necessary with these new two-stage systems.

Details

  • Original title: Pulsröhrenkühler zur Erzeugung von Temperaturen im Bereich des flüssigen Heliums.
  • Record ID : 1998-0013
  • Languages: German
  • Source: DKV-Tagungsbericht 23. 1996 Leipzig.
  • Publication date: 1996/11/20
  • Document available for consultation in the library of the IIR headquarters only.

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