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- W140674639 abstract "Superior laser dyes were recently discovered in the quasi-aromatic families of syn-dioxabimanes and pyrromethene-BF/sub 2/ complexes. The representative new dye mu-bis-(carboethoxy) methylene-syn-(methylene, methyl) bimane lased at 507 nm with 50% greater efficiency than was obtained with Coumarin 30. A similar determination showed 4, 4-difluoro-1,3,5,7,8-pentamethyl-4-bora-3a,4a-diaza-s-indacene to lase at 546 nm with about 300% greater efficiency than was obtained from Coumarin 545. These quasi-aromatic systems are readily available and offer desirable properties of stability (photo, thermal, and chemical), solubility, and diminished triplet-triplet absorption in the lasing spectral region. Selected spectroscopic and lasing properties of these new laser dyes are presented." @default.
- W140674639 created "2016-06-24" @default.
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- W140674639 date "1989-04-19" @default.
- W140674639 modified "2023-09-24" @default.
- W140674639 title "Quasi-aromatic heterocyclics as laser dyes. Interim technical report" @default.
- W140674639 hasPublicationYear "1989" @default.
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