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1 September 1972 Solar Magnetograph Utilizing Fiber Optics
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Abstract
In the usual Babcock magnetograph the sun f s image is scanned by a single exploring aperture which admits light to a spectrograph for subsequent photo- electric detection and analysis. We replace this aperture by a slit, and in the focal plane of the spectrograph a fiber-optic probe dissects the spectral and spatial image, feeding light to an array of 80 photomultiplier tubes. Magnetograms taken with the instrument show a resolution comparable to that achieved by photographic methods, but with the advantage of lower noise and direct measurement of magnetic flux.
© (1972) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
L A . Doe and W. C. Livingston "Solar Magnetograph Utilizing Fiber Optics", Proc. SPIE 0028, Instrumentation in Astronomy I, (1 September 1972); https://doi.org/10.1117/12.953532
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