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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 1 — Jan. 1, 1992
  • pp: 95–100

Resonant cryogenic chopper

Lyman A. Page, Edward S. Cheng, and Stephan S. Meyer  »View Author Affiliations


Applied Optics, Vol. 31, Issue 1, pp. 95-100 (1992)
http://dx.doi.org/10.1364/AO.31.000095


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Abstract

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.

© 1992 Optical Society of America

History
Original Manuscript: July 31, 1990
Published: January 1, 1992

Citation
Lyman A. Page, Edward S. Cheng, and Stephan S. Meyer, "Resonant cryogenic chopper," Appl. Opt. 31, 95-100 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-1-95

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