Energy-transfer processes in dye lasers, in which optical, excitation energy is absorbed by one dye (the donor) and transferred to a second dye (the acceptors) and in which laser action takes place, have been extensively studied to improve the efficiency and broaden the spectral range of pulsed-dye lasers.1-4 In this paper we present a theoretical simulation model that predicts the attainable gain spectrum of a cw laser-pumped, energy-transfer dye lasers (ETDL) as a function of acceptor and donor concentrations, their absorption and emission spectra, pump power and wavelength, and active region geometry.

© 1991 Optical Society of America

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