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A new type of a photoelectric magnetograph

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Abstract

The ‘electro-optic deflector’ as an analyzer of circular polarization in the photoelectric magnetograph is described. The electro-optic deflector consists of an electro-optic crystal and a polarizing beamsplitter. The plane bifurcation of this beamsplitter coincides with the spectrograph dispersion direction. The beamsplitter bifurcates a spectral line in two components. The distance between them is Δλ0. The photometer slit is situated between these components. Both components of Zeeman splitting fall on the photometer slit but the distance between them varies from Δλ0 + 2Δλ H to Δλ0 − 2Δλ H (where Δλ H is the Zeeman splitting) with the electric voltage frequency applied to the electro-optic crystal. The intensity variations at the photometer slit are proportional to 4Δλ H .

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References

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Authors and Affiliations

  1. Siberian Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (SibIZMIR), The USSR Academy of sciences, Siberian Department, Irkutsk, U.S.S.R.

    N. N. Lebedev & V. M. Grigorjev

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  1. N. N. Lebedev
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  2. V. M. Grigorjev
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Lebedev, N.N., Grigorjev, V.M. A new type of a photoelectric magnetograph. Sol Phys 48, 417–422 (1976). https://doi.org/10.1007/BF00152007

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  • DOI: https://doi.org/10.1007/BF00152007

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