Confirmation of the currently accepted value 299 792 458 metres per second for the speed of light

Speed of Light from Direct Frequency and Wavelength Measurements of the Methane-Stabilized Laser

K. M. Evenson, J. S. Wells, F. R. Petersen et al. · Physical Review Letters · 1972 · 244 citations

Natural Sciences, Physics, Optics +15

Accurate frequencies of molecular transitions used in laser stabilization: the 3.39-μm transition in CH4 and the 9.33- and 10.18-μm transitions in CO2

K. M. Evenson, J. S. Wells, F. R. Petersen et al. · Applied Physics Letters · 1973 · 216 citations

Natural Sciences, Chemistry, Physics +17

Wavelength of the 3.39-μm laser-saturated absorption line of methane

R. L. Barger, J. L. Hall · Applied Physics Letters · 1973 · 86 citations

Natural Sciences, Chemistry, Physics +14

Measurement of the speed of light

T. G. Blaney, C. C. Bradley, G. J. Edwards et al. · Nature · 1974 · 44 citations

Natural Sciences, Physics, Metrology +8

Frequency determination of visible laser light by interferometric comparison with upconverted CO_2 laser radiation

P. T. Woods, K. C. Shotton, W. R. C. Rowley · Applied Optics · 1978 · 43 citations

Natural Sciences, Chemistry, Optics +16