Nature Photonics
Nature Photonics
a year ago

Laser gyroscope precisely tracks the Earth's rotation

Laser gyroscope precisely tracks the Earth's rotation
Caterina Ciminelli, Giuseppe Brunetti
Precise measurements of the length of an Earth day are essential for understanding global mass transport phenomena. A ring laser gyroscope provides absolute measurements of variations in the length of the day with a resolution of 5 parts per billion over a 14-day period.

Publisher URL: https://www.nature.com/articles/s41566-023-01293-y

DOI: 10.1038/s41566-023-01293-y

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