Abstract
THE first successful infrared heterodyne spectrometer featuring semi-tuneable semiconductor diode lasers was constructed and used near 8.5 µm to make laboratory measurements of line profiles in N2O and to detect thermal emission from Mars and from the Moon. This experiment was conducted at the coude focus of the 30-inch telescope at the Goddard Optical Research Facility in January and February 1974.
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MUMMA, M., KOSTIUK, T., COHEN, S. et al. Infrared heterodyne spectroscopy of astronomical and laboratory sources at 8.5 µm. Nature 253, 514–516 (1975). https://doi.org/10.1038/253514a0
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DOI: https://doi.org/10.1038/253514a0
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