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Applied Optics

Applied Optics


  • Vol. 5, Iss. 8 — Aug. 1, 1966
  • pp: 1259–1263

Refrigeration for Photomultipliers

A. L. Broadfoot  »View Author Affiliations

Applied Optics, Vol. 5, Issue 8, pp. 1259-1263 (1966)

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A closed-cycle mechanical refrigeration system has been adapted to cool photomultipliers automatically. Temperature is adjustable between +5° and −55°C and is stable to within ±0.3°C. An important feature of the design is the flexible connection to the cold box which allows extensive freedom of motion; this freedom is particularly important in astronomy where the cold box is mounted on the end of a telescope. Liquid Freon refrigerants have been used to cool photomultipliers for rocket flights. A brief description of two methods is given.

© 1966 Optical Society of America

Original Manuscript: February 28, 1966
Published: August 1, 1966

A. L. Broadfoot, "Refrigeration for Photomultipliers," Appl. Opt. 5, 1259-1263 (1966)

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  1. A. T. Young, Appl. Opt. 2, 51 (1963). [CrossRef]
  2. J. P. Rodman, H. J. Smith, Appl. Opt. 2, 181 (1963). [CrossRef]
  3. A. D. Althouse, C. H. Turnquist, Modern Refrigeration and Air Conditioning (The Goodheart–Willcox Co., Chicago, 1960).
  4. C. Y. Farkas, P. Varga, J. Sci. Instr. 41, 704 (1964). [CrossRef]
  5. D. M. Hunten, Can. J. Phys. 31, 681 (1953). [CrossRef]

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