Cooled video camera for optical investigations below 1 mK

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Research units


An optical imaging system for milliKelvin temperatures has been developed based on a regular B/W surveillance camera (25 frames/s), with its CCD sensor inside the 4-K vacuum can of our nuclear demagnetization cryostat. The heat leak to the nuclear stage, caused by the operation of the video camera, was reduced below 1 nW by careful rf shielding. The construction of the system and its limits of operation are discussed.


Original languageEnglish
Pages (from-to)1784-1785
Number of pages2
JournalReview of Scientific Instruments
Issue number5
Publication statusPublished - 1994
MoE publication typeA1 Journal article-refereed

    Research areas

  • charge coupled device, optical investigation changes, superfluid 3He

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