Cryogenic mechatronic design of the HIFI Focal Plane Chopper

R. Huisman*, J. W. G. Aalders, M. J. Eggens, J. Evers, H. M. Jacobs, B. J. van Leeuwen, A. C. T. Nieuwenhuizen, G. R. Ploeger, K. J. Wildeman, B. Jayawardhana, J. M. A. Scherpen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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This paper discusses the cryogenic mechatronic development of the Focal Plane Chopper (FPC) mechanism in the Heterodyne Instrument for the Far Infrared (HIFI) which is one of the science instruments on board the Herschel space telescope. The extreme cryogenic environment, in which the mechanism has to operate, places a number of constraints on the mechatronic design of the instrument. The paper gives an overview of cryogenic design issues applicable to the development of the FPC and provides solutions to the problems encountered. (C) 2011 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1259-1271
Number of pages13
Issue number8
Publication statusPublished - Dec-2011


  • Cryogenic
  • Chopper
  • Steering mirror
  • Space mechanism
  • Herschel-HIFI
  • ISO


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