Abstract
Today interferometers [1] widely replace the diffraction grating spectrometers [2] in space research. This trend is caused by the wide spectral grasp and the Fellgett advantage of Fourier spectroscopy. For these reasons interferometers are well suited for the detection and study of weak signals from space. Inherent problems of the commonly used Michelson interferometers are
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—the determination of absolute intensities;
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—the high-frequency cut-off filter to avoid computing errors by ‘Umklapp’ processes; and
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— the beam splitter.
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© 1972 D. Reidel Publishing Company, Dordrecht, Holland
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Kneubühl, F. (1972). Remarks on Infrared Technology and Spectroscopy in Astrophysics. In: Manno, V., Ring, J. (eds) Infrared Detection Techniques for Space Research. Astrophysics and Space Science Library, vol 30. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2885-1_36
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