# From the triangle Sagnac experiment to a practical , crucial experiment of the constancy of the speed of light using atomic clocks on moving objects

@inproceedings{State2003FromTT, title={From the triangle Sagnac experiment to a practical , crucial experiment of the constancy of the speed of light using atomic clocks on moving objects}, author={St. Cloud State}, year={2003} }

According to the triangle Sagnac experiment, between point A and point B that are moving in a circular motion, the travel times for light or radio signals from A to B and from B to A are different. The difference ∆t, i.e. the Sagnac effect, equals 2VDL/c, where D is the foot of the altitude to AB, VD is the speed of point D and L is the distance from A to B. The Sagnac effect exists whether the radius of the circle is as small as only few centimeters, e.g., in fiber-optic gyroscopes, or as big… CONTINUE READING

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