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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 Four-wave mixing ： ウィキペディア英語版 Four-wave mixing Four-wave mixing (FWM) is an intermodulation phenomenon in non-linear optics, whereby interactions between two wavelengths produce two extra wavelengths in the signal. It is similar to the third-order intercept point in electrical systems. Four-wave mixing can be compared to the intermodulation distortion in standard electrical systems. == Mechanism == When three frequencies (f1, f2, and f3) interact in a nonlinear medium, they give rise to a fourth wavelength (f4) which is formed by the scattering of the incident photons, producing the fourth photon. Given inputs ''f1, f2,'' and ''f3'', the nonlinear system will produce :$\backslash pm\; f\_\; \backslash pm\; f\_\; \backslash pm\; f\_$ with the most damaging signals to system performance calculated as :$f\_\; =\; f\_\; +\; f\_\; -\; f\_,\; \backslash mathrm\backslash ,\; i,\; j\; \backslash neq\; k$ since these frequencies will lie close to one of the incoming frequencies. From calculations with the three input signals, it is found that 12 interfering frequencies are produced, three of which lie on one of original incoming frequencies. 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「Four-wave mixing」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.