Abstract
A potential new class of “monocyclic” lasing dyes is discussed and four families out of nine within the class are examined. The 2,6-diaminopyridines in acid are found to lase under flashlamp excitation but show low slope efficiencies and lower stabilities than the “bicyclic” dyes described previously. Other, miscellaneous dyes show oxygen quenching of laser action rather than enhancement and the best of these produces short pulses under long pulse excitation.
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We thank Professor Guido H. Daub, University of New Mexico, for samples of the dyes 2NI, 2NDN, and 4BPI.
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This study was supported under contract SANL 284 from the Lawrence Livermore Laboratory.
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Hammond, P.R., Fletcher, A.N., Bliss, D.E. et al. Search for efficient, near UV lasing dyes. III. Monocyclic and miscellaneous dyes. Appl. Phys. 9, 67–70 (1976). https://doi.org/10.1007/BF00901911
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DOI: https://doi.org/10.1007/BF00901911