upconversion

English

Etymology

up- +‎ conversion

Noun

upconversion (countable and uncountable, plural upconversions)

  1. (physics) The process by which two photons combine in a nonlinear medium to produce a higher-energy photon with a frequency that is the sum of those of the two photons
  2. (electronics) Conversion of a lower radio frequency to a higher frequency, possibly using a mixer.

See also
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