ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In previous investigations of the upper atmosphere by optical radar58 a pulsed ruby laser has been used in the transmitter and measurements of the Rayleigh scattering by air molecules have given density profiles. A radar for the detection of specific atoms or molecules can, however, be made by ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/221456a0
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