Abstract
THIS communication reports observations made by us of optical echoes from atmospheric constituents (presumably dust) at heights of 60–140 km. They were detected with an optical radar. The techniques utilized are a development of those already reported by us1,2.
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Smullin, L. D., and Fiocco, G., Nature, 194, 1267 (1962); Proc. Inst. Radio Eng., 50, 1703 (1962).
Fiocce, G., and Thompson, E., Phys. Rev. Letters, 10, 89 (1963).
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FIOCCO, G., SMULLIN, L. Detection of Scattering Layers in the Upper Atmosphere (60–140 km) by Optical Radar. Nature 199, 1275–1276 (1963). https://doi.org/10.1038/1991275a0
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DOI: https://doi.org/10.1038/1991275a0
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