Abstract

A theoretical model which predicts the dependence of the gain spectrum of cw laser pumped energy transfer dye lasers (ETDLs) on acceptor and donor concentrations as well as energy transfer parameters is developed. This model takes into account contributions resulting from both radiative and nonradiative energy transfer. Analysis of the relevant gain parameters of cw ETDLs, together with a discussion of a practically useful donor–acceptor pair, is also presented. The method developed can be used to manipulate the performance of cw laser pumped ETDLs by changing one or more of the relevant gain parameters which are contained in the gain equation. The method is also particularly promising for predicting potentially tunable cw argon laser pumped ETDL emission in the near IR spectral region.

© 1991 Optical Society of America

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Practical method for obtaining spectral distribution of gain in energy transfer dye lasers: comparison of theory and experiment

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