Find the word definition

Wiktionary
excimer laser

n. (context physics English) A laser generated by an excited diatomic molecule

Wikipedia
Excimer laser

An excimer laser, sometimes more correctly called an exciplex laser, is a form of ultraviolet laser which is commonly used in the production of microelectronic devices, semiconductor based integrated circuits or “chips”, eye surgery, and micromachining.

Usage examples of "excimer laser".

An excimer laser was used to cut a message into the diamond, creating a layer of graphite in there, with a layer of diamond deposited on the top.