3 October 1996 Spectral properties of Tm3+:LiNbO3 crystal
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In this paper, the absorption and fluorescence spectra of Tm3+:LiNbO3 crystals at room temperature were reported for the first time. The energy levels and experimental absorption oscillator strengths were obtained from the absorption spectrum. According to Judd-Ofelt theory, the intensity parameters (Omega) (lambda ) ((Omega) 2 equals 3.30 multiplied by 10-20 cm2, (Omega) 4 equals 1.37 multiplied by 10-20 cm2, (Omega) 6 equals 0.84 multiplied by 10-20 cm2) were worked out by a least-square-fitting procedure. With these values, electric dipole oscillator strength, radiative transition probability, radiative lifetime, branching ratio and integrated emission cross-section were calculated. The potential use of Tm3+:LiNbO3 crystal as a laser material was also discussed.
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Xiaoming Wang, Xiaoming Wang, Yongfeng Ruan, Yongfeng Ruan, Taiju Tsuboi, Taiju Tsuboi, Valerii V. Ter-Mikirtychev, Valerii V. Ter-Mikirtychev, "Spectral properties of Tm3+:LiNbO3 crystal", Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); doi: 10.1117/12.252969; https://doi.org/10.1117/12.252969

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