A modern Fizeau experiment for education and outreach purposes
classification
⚛️ physics.atom-ph
physics.optics
keywords
experimentfizeaulasermodernoutreachalmostanniversaryatmospheric
read the original abstract
On the occasion of the laser's 50th anniversary, we performed a modern Fizeau experiment, measuring the speed of light with a laser beam passing over the city centre of Marseille. For a round trip distance of almost five kilometers, the measurement has reached an uncertainty of about 10$^{-4}$, mainly due to atmospheric fluctuations. We present the experimental and pedagogical challenges of this brilliant outreach experiment.
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