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Construction of long-life magneto-optical filters for helioseismology observations

  • T. Sakurai
  • K. Tanaka
  • H. Miyazaki
  • K. Ichimoto
  • A. Sakata
  • S. Wada
Part IV Observations of Solar Oscillations
Part of the Lecture Notes in Physics book series (LNP, volume 367)

Abstract

A design of magneto-optical filters we are developing is described. By heating the cell to about 200°C, a lifetime more than a year has been achieved.

Keywords

Retardation Effect Sodium Vapor Thermal Distortion Cell Window Leak Magnetic Flux 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Agnelli, G., Cacciani, A., and Fofi, M. 1975, Solar Phys., 44, 509.CrossRefGoogle Scholar
  2. Cacciani, A., and Fofi, M. 1978, Solar Phys., 59, 179.CrossRefGoogle Scholar
  3. Koyama, K. 1986, Hydromagnetic and Magnetohydrodynamic Problems in the Sun and Stars, ed. Y. Osaki (University of Tokyo, Tokyo), p.339.Google Scholar

Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • T. Sakurai
    • 1
  • K. Tanaka
    • 1
  • H. Miyazaki
    • 1
  • K. Ichimoto
    • 1
  • A. Sakata
    • 2
  • S. Wada
    • 2
  1. 1.National Astronomical ObservatoryTokyo 181Japan
  2. 2.University of Electro-CommunicationsTokyo 181Japan

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