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This article is cited in 2 scientific papers (total in 2 papers)
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Optical and nonradiative transitions involving triplet states of laser-active F3+ colour centres in LiF crystals
T. T. Basiev, I. V. Ermakov, K. K. Pukhov Laser Materials and Technology Research Center, Prokhorov General Physics Institute, RAS, Moscow
Abstract:
Spin triplet electronic states in laser-active F3+ colour centres in LiF crystals were found. The triplet — triplet spectra of the absorption from the 3E state to higher triplet states (3[IMG align=ABSMIDDLE alt=${\mathit\Gamma}$]uiop[/IMG]α,3[IMG align=ABSMIDDLE alt=${\mathit\Gamma}$]uiop[/IMG]β), the spectrum of the triplet — triplet 3[IMG align=ABSMIDDLE alt=${\mathit\Gamma}$]uiop[/IMG]α → 3E fluorescence, and the spectrum of the phosphorescence accompanying the triplet — singlet intercombination 3E → 1A1 transition were determined. Moreover, the temperature dependences of the probabilities of nonradiative singlet — triplet (1E → 3E) and triplet — singlet (3E → 1A1) transitions were determined. An analysis was made of the influence of spin triplet states on the characteristics of an LiF : F3+ laser. A method was proposed for tunable lasing in a wide visible range as a result of a triplet — triplet transition in the F3+ colour centres in an LiF crystal.
Received: 16.10.1996
Citation:
T. T. Basiev, I. V. Ermakov, K. K. Pukhov, “Optical and nonradiative transitions involving triplet states of laser-active F3+ colour centres in LiF crystals”, Kvantovaya Elektronika, 24:4 (1997), 313–317 [Quantum Electron., 27:4 (1997), 304–308]
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https://www.mathnet.ru/eng/qe932 https://www.mathnet.ru/eng/qe/v24/i4/p313
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