Zusammenfassung
Einsteins Idee von der stimulierten Emission von Strahlung (Einstein 1917) bildete die Grundlage für die Erfindung des LASERs (Akronym für „Light Amplification by Stimulated Emission of Radiation“, eingeführt von Gordon Gould). Albert Einstein entwickelte das theoretische Konzept für die Lichtausbreitung in Wellenpaketen (Photonen) und für die sog. stimulierte Emission . Obwohl Einstein den Laser nicht erfunden hat, legte er dennoch den Grundstein hierzu, indem er darauf hinwies, dass unter Beachtung der Photonenstatistik eine stimulierte Emission von Strahlung möglich wäre (Abb. 5.1a).
Das Kapitel basiert auf Beiträgen (Steiner 2013a,b) aus Raulin C, Karsai S (Hrsg) Lasertherapie der Haut; mit frdl. Genehmigung der Herausgeber.
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Steiner, R. (2015). Laserphysik und -biologie. In: Metelmann, HR., Hammes, S. (eds) Lasermedizin in der Ästhetischen Chirurgie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34936-2_5
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