Definition, Meaning & Synonyms

etalon

Noun

ˈeɪ.tə.lɒn

Definition

An etalon is a device used to measure the wavelength of light by utilizing the interference of light waves.

Examples

The scientist used an etalon in the experiment to ensure accurate wavelength measurements.
In the lab, the etalon helped distinguish between different frequencies of light.
The laser’s stability was enhanced by incorporating an etalon into its design.

Meaning

In optical physics, an etalon serves as a reference standard for precise measurements of light wavelengths, often utilized in spectroscopy and other scientific applications.