external photoeffect
11Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …
12Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …
13Position sensitive device — A Position Sensitive Device and/or Position Sensitive Detector (PSD) is an optical position sensor (OPS), that can measure a position of a light spot in one or two dimensions on a sensor surface. Contents 1 Principles 1.1 Isotropic Sensors 1.2… …
14Pál Selényi — Engineer Pál Selényi (1884 1954) Fizikai Szemle 1999/5 Zsolt Bor: OPTICS BY HUNGARIANS (with Pál Selényi), József Attila University, Szeged, Hungary, 1999, webpage: [http://www.kfki.hu/fszemle/archivum/fsz9905/bor.html KFKI Hungary Bor] .] was… …
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