Glossary

Confocal chromatic

In optics, two lenses (or curved mirrors) are arranged confocally to one another when their focuses match. With the confocal chromatic measuring principle, white light is split into different spectra by lenses and focused on an object through a multi-lens optical system. The lenses are arranged such that the light is broken down by controlled chromatic aberration into Monochromatic wavelengths dependent on the displacement.

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