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Cooled video camera for optical investigations below 1 milliK.

Author(s) : ALLES H., RUUTU J. P., BABKIN A. V., HAKONEN P. J., MANNINEN A. J., PEKOLA J. P.

Type of article: Article

Summary

An optical imaging system for milliK temperatures has been developed based on a regular B/W surveillance camera (25 frames/s), with its charged coupled device sensor inside the 4 K vacuum can of the authors' nuclear demagnetization cryostat. The heat leak to the nuclear stage, caused by the operation of the video camera, was reduced below 1 nanoW by careful radio frequency shielding. The construction of the system and its limits of operation are discussed.

Details

  • Original title: Cooled video camera for optical investigations below 1 milliK.
  • Record ID : 1995-1362
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 65 - n. 5
  • Publication date: 1994/05
  • Document available for consultation in the library of the IIR headquarters only.

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