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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Optical downconverter ： ウィキペディア英語版 Optical downconverter Optical DownConverter (ODC) is an example of a non-linear optical process, in which two beams of light of different frequencies $\backslash omega\_1$ and $\backslash omega\_2$ interact, creating microwave with frequency $\backslash omega\_3\; =\; \backslash omega\_1\; -\; \backslash omega\_2$. It is a generalization of microwave. In the latter, $\backslash omega\_1\; =\; \backslash omega\_2$, both of which can be provided by a single light source. From a quantum mechanical perspective, ODC can be seen as result of deferencing two photons to produce a microwave. Since the energy of a photon is given by $E\_\backslash nu\; =\; \backslash hbar\backslash omega,$ the frequency summing $\backslash omega\_3\; =\; \backslash omega\_1\; -\; \backslash omega\_2$ is simply a statement that energy is conserved. In a common ODC application, light from a tunable infrared laser is combined with light from a fixed frequency visible laser to produce a microwave created by a wave mixing process. The ODC use milimeteric microwave cavity that include photonic crystal that provide by two signal frequency light source. The microwave is detected by the cavity antenna. ==See also== *Sum frequency generation *Homodyne detection 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Optical downconverter」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.