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Kvantovaya Elektronika, 1987, Volume 14, Number 4, Pages 837–840 (Mi qe8603)  

Active media, resonators

Expansion of the spectral tuning range of laser radiation from aminocoumarins as a result of acid–base interaction

N. V. Korol'kova, M. G. Reva, B. M. Uzhinov


Abstract: An investigation was made of the influence of the acid–base interaction on the lasing characteristics of aminocoumarins. As a result of this interaction, complexes with hydrogen bonds and protonated ions are formed and these emit laser radiation at longer wavelengths compared with that emitted by the initial forms of the dyes. The occurrence of two-band lasing (initial form and complex) in a system comprising coumarin 1 and water in dioxane, when the fluorescence spectrum only contains one band, is attributed to the fact that a hydrogen-bonded complex is formed as a result of a fast reaction in the excited state. The tuning range of laser radiation from the coumarins 1 and C6H can be increased appreciably as a result of simultaneous lasing in different forms of the dye.

Full text: PDF file (771 kB)

English version:
Soviet Journal of Quantum Electronics, 1987, 17:4, 526–528

Bibliographic databases:

UDC: 621.373.826.038.824
PACS: 42.55.Mv, 42.60.Jf, 42.60.Fc
Received: 17.09.1986

Citation: N. V. Korol'kova, M. G. Reva, B. M. Uzhinov, “Expansion of the spectral tuning range of laser radiation from aminocoumarins as a result of acid–base interaction”, Kvantovaya Elektronika, 14:4 (1987), 837–840 [Sov J Quantum Electron, 17:4 (1987), 526–528]

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