Stimulated Emission of Active Media in the Red Spectral Range

T. N. Kopylova; R. M. Gadirov; S. Yu. Nikonov; R. R. Valiev; E. N. Tel’minov; E. N. Nikonova; T. A. Solodova; V. I. Alekseeva; L. E. Marinina; L. P. Savvina

doi:10.1007/s11182-016-0731-x

Stimulated Emission of Active Media in the Red Spectral Range

Autores: Kopylova T.N.¹, Gadirov R.M.¹, Nikonov S.Y.¹, Valiev R.R.¹^,2, Tel’minov E.N.¹, Nikonova E.N.¹, Solodova T.A.¹, Alekseeva V.I.³, Marinina L.E.³, Savvina L.P.³
Afiliações:
1. V. D. Kuznetsov Siberian Physical-Technical Institute at National Research Tomsk State University
2. National Research Tomsk Polytechnic University
3. State Scientific Center NIOPIK
Edição: Volume 59, Nº 1 (2016)
Páginas: 1-7
Seção: Optics and Spectroscopy
URL: https://bakhtiniada.ru/1064-8887/article/view/236942
DOI: https://doi.org/10.1007/s11182-016-0731-x
ID: 236942

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Resumo

Spectral, luminescent, and lasing characteristics of chromene dyes and their julolidine analogs emitting in the red spectral range are investigated experimentally and theoretically. It is shown that the cause for a low lasing efficiency of oxochromene compared with iminochromene is a high intersystem crossing to the T₁ state and the presence of the induced T₁→T_n absorption in the region of the luminescence band.