Abstract
IT is well known that the profile of a spectral line may be time-resolved by an arrangement in which light is passed normally through a Fabry–Perot etalon, the spacing of which is varied in time, while a photomultiplier looks at the central fringe of the circular (Haidinger) pattern.
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References
Bradley, D. J., Proc. Roy. Soc., A, 262, 529 (1961).
Koloshnikov, V. G., et al., Optics and Spectroscopy, 11, 302 (1961).
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COOPER, J., GREIG, J. An Ultra-Rapid Scanning Fabry–Perot Interferometer. Nature 195, 371–372 (1962). https://doi.org/10.1038/195371a0
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DOI: https://doi.org/10.1038/195371a0
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