Q-switch

Etymology
The "Q" stands for the quality factor of the resonator on the lasar.

Noun

 * 1) A device that causes Q-switching.
 * 2) The process of Q-switching.
 * 1) The process of Q-switching.
 * 1) The process of Q-switching.
 * 1) The process of Q-switching.

Verb

 * 1) To use a Q-switch on (a laser).