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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 tophat beam ： ウィキペディア英語版 tophat beam In optics, a tophat (or top-hat) beam such as a laser beam or electron beam has a near-uniform fluence (energy density) within a circular disk. It is typically formed by diffractive optical elements from a Gaussian beam. Tophat beams are often used in industry, for example for laser drilling of holes in printed circuit boards. They are also used in very high power laser systems, which use chains of optical amplifiers to produce an intense beam. Tophat beams are named for their resemblance to the shape of a top hat. ==External links== * (Video of propagation simulation of TopHat Diffractive Optical Element around focal plane ) by HoloOr * (Flat top / Beam shaping application notes - Diffractive optics ) by HoloOr * (MATLAB function for simulating TopHat beam ) by HoloOr 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「tophat beam」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.