Abstract
THE frequency of a CO2 laser stabilized to the R(12) transition of CO2 has been measured with an accuracy better than one part in 109. This is part of an experiment at the National Physical Laboratory to determine the speed of light to the full accuracy of the krypton-86 length standard1.
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BLANEY, T., BRADLEY, C., EDWARDS, G. et al. Absolute Frequency Measurement of the R(12) Transition of CO2 at 9.3 µm. Nature 244, 504 (1973). https://doi.org/10.1038/244504a0
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DOI: https://doi.org/10.1038/244504a0
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