Singlet-singlet, singlet-triplet, and triplet-triplet transitions for F3+ color centers in LiF crystals

Tasoltan T. Basiev; Igor V. Ermakov; Konstantin K. Pukhov

doi:10.1117/12.293442

1 November 1997 Singlet-singlet, singlet-triplet, and triplet-triplet transitions for F₃⁺ color centers in LiF crystals

Tasoltan T. Basiev, Igor V. Ermakov, Konstantin K. Pukhov

Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293442
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland

Abstract

New spin-triplet electronic states of laser-active F₃⁺ color centers in LiF crystals are discovered. The triplet-triplet absorption spectra from low laying ³E state to the high laying states, triplet-triplet ³T_(alpha ) yields ³E fluorescence spectrum and ³E yields ¹A₁ triplet-singlet phosphorescence spectrum are measured. Temperature dependencies of nonradiative singlet-triplet ¹E yields ³E and triplet- singlet ³E yields ¹A₁ transitions probability are found. The influence of spin-triplet states on the LiF:F₃⁺ color center laser characteristics is discussed. The new way of obtaining of tunable oscillation in wide visible range using triplet-triplet transition is offered.

Citation Download Citation

Tasoltan T. Basiev, Igor V. Ermakov, and Konstantin K. Pukhov "Singlet-singlet, singlet-triplet, and triplet-triplet transitions for F₃⁺ color centers in LiF crystals", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); https://doi.org/10.1117/12.293442

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