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Molecular formula of infrared dye LDS798.
Optically pumped emission spectra from LDS798-doped polymeric waveguide at various pump energies. Spectrally narrowed emission at is ASE.
Dependence of emission intensity on pump energy. Closed and open circles indicate the data for polymeric waveguide structures with infrared dyes LDS798 and NK-125, respectively. Ratios of the dyes to the host polymer (PVP) are for both samples.
Absorption (dotted line), spontaneous emission (solid line), and ASE (dashed line) spectra for LDS798-doped polymeric waveguide.
Emission intensity of LDS798-doped polymeric waveguide as a function of excitation length. Ratio of the dye to the host polymer (PVP) is .
Dye concentration dependence of optical gain coefficient of LDS798-doped polymeric waveguide. Sample thickness was fixed at .
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