Tm3+-doped lead silicate glass sensitized by Er3+ for efficient ~2 μm mid-infrared laser material

Abstract : Er/Tm co-doped lead silicate glasses with low phonon (953cm) and good thermal stability were synthesized. The ~2μm mid-infrared emission resulting from the F→H transition of Tm sensitized by Er has been observed by 808nm LD pumping. The optimal luminescence intensity was obtained in the sample with 1TmO/2.5ErO co-doped. Moreover, the energy transfer mechanism from Er to Tm ion was analyzed. Absorption and emission cross section have been calculated. The calculated maximum emission cross section of Tm is 2.689×10cm at 1863nm. Microparameters of energy transfer between Er and Tm ions have also been analyzed. These results ensure that the prepared Er/Tm co-doped lead silicate glasses have excellent spectroscopic properties in mid-infrared region and provide a beneficial guide for mid-infrared laser material.
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Submitted on : Wednesday, October 2, 2019 - 1:21:45 PM
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J. Zhang, N. Wang, Y. Guo, M. Cai, Y. Tian, et al.. Tm3+-doped lead silicate glass sensitized by Er3+ for efficient ~2 μm mid-infrared laser material. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Elsevier, 2018, 199, pp.65-70. ⟨10.1016/j.saa.2018.03.031⟩. ⟨hal-01774408v2⟩

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