Q-switch

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A device that causes Q-switching. countable, uncountable

    "Around 60-100 W is required to deflect a 60 W beam and hence the Q-switch has to be cooled."

  2. 2
    The process of Q-switching. countable, uncountable

    "Also, the appearance of Q-switch and ultra-short pulse technology made the peak power improve greatly, and the efficiency of doubling reached 70-80%."

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

    "A variety of methods are available to Q-switch a fiber laser. Most of them are adaptations of those used to Q-switch bulk lasers."

Synonyms

All synonyms
q spoilerq-spoil

Example

More examples

"Around 60-100 W is required to deflect a 60 W beam and hence the Q-switch has to be cooled."

Etymology

The Q stands for the quality factor of the resonator on the laser.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.