Use of a birefringent element to separat
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H. E. Ramsey
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Article
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1971
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Springer
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English
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A tunable wide-field birefringent element (Evans, 1949) provides an efficient means to separate the polrarized magnetic signal from the full width of a selected spectral line. The technique is applicable to observing either longitudinal or transverse magnetic fields. At the Lockheed Solar Observato