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A Pressure Scanning Fabry-Perot Magnetometer*

Published online by Cambridge University Press:  14 August 2015

T. D. Fay  and
A. A. Wyller
T. D. Fay
Affiliation:
Bartol Research Foundation of The Franklin Institute, Swarthmore, Pennsylvania, U.S.A.
A. A. Wyller
Affiliation:
Bartol Research Foundation of The Franklin Institute, Swarthmore, Pennsylvania, U.S.A.

Abstract

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An oscillating magnetic analyzer (KDP crystal plus Glan-Thompson prism) is coupled to an echelle-interferometer spectrograph. The single slit magnetometer by pressure variations can be made to scan the entire profiles of the circularly and linearly polarized Zeeman components. Freon gas is used as the scanner gas with wavelength displacements of 0.02 Å per 0.1 in. Hg pressure change at the NaD lines. The available scan range is 15 Å in the visual spectral region.

Type
Part I: Instrumentation – Measurement Fields in the Solar Atmosphere
Information
Symposium - International Astronomical Union , Volume 43: Solar Magnetic Fields , 1971 , pp. 62 - 64
Copyright
Copyright © Reidel 1971