Abstract
PARTIALLY successful attempts to apply the high resolving power of Fabry – Perot étalons to the study of astronomical absorption spectra have been made by Burns1, Shane2 and others. None of the arrangements hitherto employed has been successful in securing complete independence of the resolution from the slit-pattern distortion of the spectrograph, an effect which is always present in the high-dispersion spectrographs which these methods require for the primary dispersion.
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References
Burns, K., and Meggers, W. F., Pub. Allegheny Obs, 6, 105, (1927).
Shane, C. D., Lick Obs. Bull., 19, 119 (1941).
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TREANOR, P. A New Heterochromatic Fabry – Perot Fringe System Applicable to the Interferometry of Absorption Spectra. Nature 162, 885–886 (1948). https://doi.org/10.1038/162885a0
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DOI: https://doi.org/10.1038/162885a0
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