Strongly convergent method

Japanese: 強収束法 - きょうしゅうそくほう
Strongly convergent method

…However, by skillfully arranging magnets with magnetic field gradients in opposite directions in an alternating fashion, it is possible to achieve a strong overall focusing effect. This method is called the strong focusing method, or alternating gradient focusing method, and a synchrotron that uses this principle is called an AG synchrotron. In terms of an optical focusing system, the weak focusing method corresponds to the use of only a weak convex lens, while the latter corresponds to the use of a combination of a strong convex lens and a concave lens. …

*Some of the terminology used to refer to the "strong convergence method" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかし,互いに反対向きの磁場こう配をもつ磁石をうまく交互に配列すると,全体としては強い収束作用をもたせることができる。この方法を強収束法,またはアルターネーティンググラジエントalternating gradient収束法といい,この原理を用いたシンクロトロンをAGシンクロトロンと呼ぶ。光学の収束系にたとえると,弱収束法は弱い凸レンズのみを使う場合であり,後者は強力な凸レンズと凹レンズを組み合わせて使う場合に対応する。…

※「強収束法」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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