Polarization investigations of two-photon excitation of F3+ color centers in LiF crystals and analysis of excited-state symmetry

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

doi:10.1117/12.293441

1 November 1997 Polarization investigations of two-photon excitation of F₃⁺ color centers in LiF crystals and analysis of excited-state symmetry

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

Author Affiliations +

Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293441
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland

Abstract

The peculiarities of energy levels structure of laser-active F₃⁺ color centers in LiF crystals were studied. The dependencies of polarization and fluorescence intensity of LiF crystals with F₃⁺ centers against polarization of powerful laser irradiation which originates two-photon excitation of F₃⁺ centers, were measured and calculated. It was shown that the two-photon transition leads to the excitation of unknown previously spin-singlet electronic state, possessing ¹A₁ wavefunction symmetry.

Citation Download Citation

Tasoltan T. Basiev, Igor V. Ermakov, and Konstantin K. Pukhov "Polarization investigations of two-photon excitation of F₃⁺ color centers in LiF crystals and analysis of excited-state symmetry", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); https://doi.org/10.1117/12.293441

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