Vol. 16, issue 10, article # 14

Svetlichnyi V. A., Kopylova T. N. Lasing in a phenalemine-512 dye laser at two-photon pumping in solutions, polymer matrices, and drops. // Atmospheric and oceanic optics. 2003. V. 16. No. 10. P. 874-878. PDF
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Two-photon pumped fluorescence (TPF) of efficient red laser dyes - phenalemines - excited by nanosecond radiation pulses of an YAG:Nd3+ laser (1064 nm) is investigated. For phenalemine 512 with the highest TPF efficiency, two-photon pumped upconverted lasing (TPL) was excited in ethanol solutions, polymethylmethacrylate (PMMA) matrices, and propyleneglycolcarbonate drops in the spectral range of 615-652 nm.