Resonant cryogenic chopper

Lyman A. Page, Edward S. Cheng, Stephan S. Meyer

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We describe the design, construction, and performance of a resonant cryogenic chopper that operates at 4.2 K. The chopper is mechanically and thermally robust; it can occult a 2.54-cm aperture at 4.5 Hz while dissipating ˜ 1 mW. Both the stator and rotor magnetic fields are controllable to allow for performance optimization and to help in measuring any possible interference effects. Data on long-term amplitude stability are presented.

Original languageEnglish (US)
Pages (from-to)95-100
Number of pages6
JournalApplied Optics
Issue number1
StatePublished - Jan 1992

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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