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Applied Optics

Applied Optics


  • Vol. 14, Iss. 9 — Sep. 1, 1975
  • pp: 2061–2066

Observing the sun with a fully tunable Lyot-Ohman filter

Jacques M. Beckers, Larry Dickson, and Randy S. Joyce  »View Author Affiliations

Applied Optics, Vol. 14, Issue 9, pp. 2061-2066 (1975)

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We describe the properties of the Zeiss Universal Birefringent Filter and its optical and electronic interface with the Sacramento Peak Observatory's vacuum telescope. The instrument permits observations of solar intensities, velocities, and/or magnetic fields in rapid succession in any Fraunhofer line in the 410–700-nm wavelength region with high spectral (0.004–0.013 nm) and high spatial (∼1/3 sec of arc) resolution.

© 1975 Optical Society of America

Original Manuscript: December 6, 1974
Published: September 1, 1975

Jacques M. Beckers, Larry Dickson, and Randy S. Joyce, "Observing the sun with a fully tunable Lyot-Ohman filter," Appl. Opt. 14, 2061-2066 (1975)

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  1. J. M. Beckers, R. B. Dunn, AFCRL Instrum. Paper 75 (1965).
  2. J. M. Beckers, Appl. Opt. 10, 973 (1971). [CrossRef] [PubMed]
  3. J. M. Beckers, Appl. Opt. 11, 681 (1972). [CrossRef] [PubMed]
  4. S. Pancharatnam, Proc. Indian Acad. Sci. A41, 130, 137 (1955).
  5. R. B. Dunn, Appl. Opt. 3, 1353 (1964). [CrossRef]
  6. J. M. Beckers, AFCRL Instrum. Paper, in preparation (1975).

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