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Fabry–Pérot interferometer

1 article · Physics · Wikipedia

A Fabry–Pérot interferometer is a scientific instrument that uses two parallel mirrors to trap light bouncing back and forth between them, creating a precise pattern of bright and dark bands called interference fringes. By carefully analyzing these patterns, scientists can measure extremely small wavelengths of light or detect tiny changes in frequency with remarkable accuracy. This device is particularly useful in fields like astronomy, physics, and telecommunications where detecting faint light signals or measuring light properties with extraordinary precision is essential.

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