upconversion

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

可算名詞 不可算名詞

(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

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The research team observed significant upconversion when they directed two infrared lasers into the nonlinear crystal.

詳細

意味（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

意味（2）

(electronics) Conversion of a lower radio frequency to a higher frequency, possibly using a mixer.

upconversions （ plural ）