Method for Improving Fluorescence Emission of Rare Earth Ion Doped Germanate Glass in 2μm Band
A germanate glass and fluorescence emission technology, which is applied in the field of laser glass in the 2μm band, can solve the problems of reducing luminous efficiency, limiting fiber gain, clustering of rare earth ions, etc., and achieving good dispersion effect
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Embodiment 1
[0035] Through the trivalent rare earth metal oxide Y 2 o 3 and Lu 2 o 3 Controlled multi-component germanate (BaO-Ga 2 o 3 -GeO 2 ) ratio of non-bridging oxygen and bridging oxygen in the laser glass, realize the controllable adjustment of the degree of freedom of the glass network structure, improve the doping concentration and dispersion of rare earth luminescent ions in the matrix glass, and realize enhanced 2μm band fluorescence emission . At the same time, it is ensured that the germanate laser glass has good devitrification resistance (ΔT=130° C.), mechanical processing performance and low phonon energy.
[0036] Specifically, the oxide composition of the multi-component germanate laser glass doped with rare earth ions is:
[0037]
[0038] Weigh each oxide (purity ≥ 99.99%) according to the proportion, mix well and form a mixture, put it into an alumina crucible, and put it in a high-temperature pit furnace at 1420°C for 4.5 hours to obtain molten Glass liqu...
Embodiment 2
[0041] Through the trivalent rare earth metal oxide Y 2 o 3 Controlled multi-component germanate (BaO-Ga 2 o 3 -GeO 2 ) ratio of non-bridging oxygen and bridging oxygen in the laser glass, realize the controllable adjustment of the degree of freedom of the glass network structure, improve the doping concentration and dispersion of rare earth luminescent ions in the glass, and realize enhanced 2μm band fluorescence emission. At the same time, it is ensured that the germanate laser glass has good devitrification resistance (ΔT=162° C.), mechanical processing performance and low phonon energy.
[0042] Specifically, the oxide composition of the multi-component germanate laser glass doped with rare earth ions is:
[0043]
[0044] Weigh each oxide (purity ≥ 99.99%) according to the proportion, mix well and form a mixture, put it into an alumina crucible, and put it in a high-temperature pit furnace at 1380°C for 4 hours to obtain molten glass liquid, stir evenly, during wh...
Embodiment 3
[0047] Through the trivalent rare earth metal oxide Lu 2 o 3 Controlled multi-component germanate (BaO-Ga 2 o 3 -GeO 2 ) ratio of non-bridging oxygen and bridging oxygen in the laser glass, realize the controllable adjustment of the degree of freedom of the network structure of the glass, improve the doping concentration and dispersion of rare earth luminescent ions in the matrix glass, and realize enhanced 2μm band fluorescence emission. At the same time, it is guaranteed that the germanate laser glass has good devitrification resistance (ΔT=165° C.), mechanical processing performance and low phonon energy.
[0048] Specifically, the oxide composition of the multi-component germanate laser glass doped with rare earth ions is:
[0049]
[0050] Weigh each oxide (purity ≥ 99.99%) according to the proportion, mix well and form a mixture, put it into an alumina crucible, and put it in a high-temperature pit furnace at 1450°C for 5 hours to obtain molten glass liquid, sti...
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