coherence

Japanese: coherence
coherence

...When two lights do not produce interference fringes, they are said to be incoherent, while when they produce interference fringes, they are called coherent. The latter property is called coherence. Since the interference of light is a basic property of light waves, all light must interfere, so it is strange to talk about interfering light and non-interfering light. ...

*Some terminology explanations that mention "coherence" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…干渉縞を生じない場合二つの光はインコヒーレントincoherent(不可干渉)であるといい,一方,干渉縞を作るときはコヒーレントcoherent(可干渉)という。また後者の性質をコヒーレンスcoherence(可干渉性,あるいは干渉性)と呼ぶ。光が干渉することは光波の基本性質であるから,すべての光は干渉しなければならないのに,干渉する光とか干渉しない光とかいうのはおかしい。…

※「coherence」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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