ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Smith and Purcell demonstrated4 that light is emitted when a high voltage electron beam moves parallel and close to a metallic optical diffraction grating in a direction perpendicular to the grating rulings (Fig. la). -The radiation has been explained physically in terms of the oscillations that ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/253184a0
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