Abstract
We have shown that the lasing properties of naphthyl 1,3,4 oxadiazole derivatives are directly related to the position of the forbidden transitionS 0→1 L b of naphthalene with respect to the first allowed transitions. The combination of theoretical and experimental results allows us to predict which compounds are most likely to exhibit a laser effect according to the nature and the position of their substituants. We have successfully applied this approach to the following compounds: αNPD, βNPD, αNND, βNND, βNBD, and αNBD. In particular we reported the first observation of a laser effect for αNBD and βNBD in the UV at 3830 Å and 3758 Å.
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Rullière, C., Rayez, JC. Lasing ability of naphthyl 1,3,4 oxadiazole molecules in relation with their structures: Application to the design of new UV dye laser. Appl. Phys. 11, 377–382 (1976). https://doi.org/10.1007/BF00919367
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DOI: https://doi.org/10.1007/BF00919367