Lallemand, A.

Japanese: Lallemand,A.(英語表記)LallemandA
Lallemand, A.

...A device proposed by the Frenchman A. Lallemand in 1936 for the purpose of efficiently detecting two-dimensional images such as direct images and spectra of faint celestial bodies, and which began to be used for actual astronomical observations in the 1950s. Its principle is to focus the image of the celestial body on a photocathode, convert it into photoelectrons, create an electron image, and then detect this using a nuclear emulsion plate. ...

*Some of the terminology that mentions "Lallemand, A." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…微弱な天体の直接像やスペクトルなどの二次元画像検出を効率よく行う目的で,1936年にフランスのラルマンA.Lallemandにより提唱され,50年代には実際の天体観測に使われるようになった装置。その原理は天体画像を光電面に結像させ光電子に変換して電子像を作り,これを原子核乾板を用いて検出しようとするものである。…

※「Lallemand,A.」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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