Optical mixing

Japanese: 光混合 - ひかりこんごう(英語表記)optical mixing
Optical mixing
This refers to the process of superposing two light waves with frequencies f1 and f2 in an appropriate manner to create a light wave with frequency n1f1 ± n2f2 ( n1 and n2 are positive integers ) . This phenomenon is easily observed and utilized with ordinary waves and long-wavelength radio waves. In the case of light, it is very monochromatic, and can be observed by shining high-energy-density laser light on a nonlinear crystal.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
振動数が f1f2 である2つの光波を適当な方法で重ね合せて,振動数が n1f1±n2f2 ( n1n2 は正の整数) の光波をつくることをいう。この現象は,普通の波や波長の長い電波では簡単に観測され,利用されている。光の場合非常に単色性がよく,しかもエネルギー密度の高いレーザー光を非線形結晶などに当てれば観測できる。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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