Optics/Definition

This article contains just a definition and optionally other subpages (such as a list of related articles), but no metadata. Create the metadata page if you want to expand this into a full article.

Optics [r]: A field of scientific, technological, and engineering study and application concerned with understanding light, — typically in the visible, ultraviolet, and infrared ranges of the electromagnetic spectrum — and harnessing it for useful tasks.