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Proceedings Paper

Limits of light concentration and energy yield of luminescence
Author(s): Christoph Zander; Karl-Heinz Drexhage
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Paper Abstract

Taking the quantum nature of photons as well as the first and second law of thermodynamics into account as universal upper limit for the concentration of incoherent light is found. Furthermore the limitation of light concentration by a 4-energy-level system is investigated. It turns out that both considerations lead to the same limits. Furthermore the conditions for luminescence energy yield exceeding unity are laid down.

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354779
Show Author Affiliations
Christoph Zander, Univ. of Siegen (Germany)
Karl-Heinz Drexhage, Univ. of Siegen (Germany)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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