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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 Smith–Purcell effect ： ウィキペディア英語版 Smith–Purcell effect The Smith–Purcell effect was the precursor of the free electron laser (FEL). It was studied by Steve Smith, a graduate student under the guidance of Edward Purcell. In their experiment, they sent an energetic beam of electrons very closely parallel to the surface of a ruled optical diffraction grating, and thereby generated visible light. Smith showed there was negligible effect on the trajectory of the inducing electrons. Essentially, this is a form of Čerenkov radiation where the phase velocity of the light has been altered by the periodic grating. == References == * S. J. Smith and E. M. Purcell, ''Visible Light from Localized Surface Charges Moving across a Grating'', Phys Rev 92, 1069 (1953), (10.1103/PhysRev.92.1069 ) () 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「Smith–Purcell effect」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.