Definitions

1. noun

A type of surface structure or pattern that resembles a series of small, repeating undulations or ripples, often found in optical components, such as lenses or mirrors.

“The rugate pattern on the surface of the optical lens improved its ability to focus light.”

2. verb

To create or treat a surface with a rugate pattern, especially in optical components.

“The manufacturer rugated the surface of the lens to enhance its optical properties.”