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- W1983204913 abstract "In blitzlampengepumpten Farbstofflasern wird die Energie des Pumplichts bisher nur unvollständig in Laserenergie umgesetzt; dies ist u. a. bedingt durch die relativ schmalbandige Absorption der Farbstoffe verglichen mit dem breiten Emissionskontinuum der Blitzlampe. Durch kovalente Verknüpfung zweier Farbstoffe D (Donator) und A (Akzeptor) zu einem Bifluorophor, z. B. D—(CH2)n — A, wird unter Nutzung der strahlungslosen Förster-Energiewanderung ein Laserfarbstoff mit breiterer Gesamtabsorption und dadurch gesteigertem Wirkungsgrad erhalten. Aus den Einzelfluorophoren p-Terphenyl (1) und Dimethyl-POPOP (2) wird eine Reihe von Bifluorophoren (3–13) synthetisiert und ihr — gegenüber 2 wie auch äquimolaren Mischungen aus 1 und 2 — gesteigerter Wirkungsgrad bestimmt. Laser Dyes, I. — Bifluorophoric Laser Dyes for Increase of the Efficiency of Dye Lasers Up to the present, in flashlamp-pumped dye lasers the energy of the pump source is only incompletely converted into laser energy; the main reason for this — among others — is the relatively small spectral width of the absorption band of the laser dyes as compared with the broad emission continuum of the flashlamp. By covalent combination of two dyes D (donor) and A (acceptor) to a bifluorophore, e. g. D—(CH2)n—A, — using the Förster-type radiationless energy transfer — laser dyes with a much broader total absorption and therefore higher efficiency are available. A number of such bifluorophores (3–13) has been synthesized from p-terphenyl (1) and dimethyl-POPOP (2); their improved laser efficiency, as compared with either 2 or equimolar mixtures of 1 and 2, has been determined." @default.
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- W1983204913 date "1981-06-30" @default.
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- W1983204913 title "Laserfarbstoffe, I Bifluorophore Laserfarbstoffe zur Steigerung des Wirkungsgrades von Farbstoff-Lasern" @default.
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- W1983204913 doi "https://doi.org/10.1002/jlac.198119810617" @default.
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