On-chip Earth spin detection

Thibaut Sylvestre (1)

1 FEMTO-ST - Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174)

A monolithic chip-scale ring laser gyroscope based on both Brillouin and Sagnac effects provides a sensitivity sufficient to measure sinusoidal rotations with an amplitude as small as 5 degrees per hour, thus enabling the first on-chip Earth rotation measurement.

Domaines: Optique [physics.optics]

Thibaut Sylvestre. On-chip Earth spin detection. Nature Photonics, 2020, 14, pp.341-343. ⟨hal-02993795⟩