Coumarin 460-Disodium Fluorescein-Nile Blue 690 混合色素系からの三原色領域での多波長同時発光特性

概要

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Spectral charcteristics of dye mixtures excited by a nitrogen laser are described. Coumarin 460, Disodium Fluorescein and Nile Blue 690 have been used as the dyes for obtainning laser oscillations in blue, green, and red region, respectively. They have been mixed in a suitable concentration to obtain simultaneous multi-wavelength oscillation on the basis of calculated values of gain. A simultaneous two-wavelength laser which operates simultaneously in two regions such as blue and green, green and red, and blue and red have been constructed using each two dye mixtures. The wavelength of red (Nile Blue 690) have been observed over 200 nm away from that of blue (Coumarin 460), and also some interesting variations have been found in the third spectrum of Disodium Fluorescein and Nile Blue 690 mixtures, Furthermore, three primary colors have been obtained in three dye mixtures.