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Sagnac: fringe displacement in a uniformly rotating interferometer

Reported a fringe displacement between counter-propagating light beams in a uniformly rotating interferometer, with sign reversal under reversed rotation and magnitude tied to the apparatus rotation.

What is recorded here?

Reported a fringe displacement between counter-propagating light beams in a uniformly rotating interferometer, with sign reversal under reversed rotation and magnitude tied to the apparatus rotation.

Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.

Scientific scope

The record is the first 1913 Comptes rendus report and its observation. It does not endorse Sagnac's ether interpretation, absorb his second 1913 paper, or include later ring-laser, fibre-optic and navigation gyroscopes.

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People and systems

Georges Sagnac

The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.

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Documented countries / regions: France

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English catalogue narrative

Sagnac: fringe displacement in a uniformly rotating interferometer

Reported a fringe displacement between counter-propagating light beams in a uniformly rotating interferometer, with sign reversal under reversed rotation and magnitude tied to the apparatus rotation.

Scientific scope

The record is the first 1913 Comptes rendus report and its observation. It does not endorse Sagnac's ether interpretation, absorb his second 1913 paper, or include later ring-laser, fibre-optic and navigation gyroscopes.

Reading status

This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.

People and systems

Georges Sagnac

The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.

Original sources