Two photon absorption in TeO<sub>2</sub>-ZnO glass at different laser irradiances

Thomas, R.; Hari, Misha; Nampoori, V. P. N.; Radhakrishnan, P.; Thomas, Sheenu

doi:10.1088/1757-899x/73/1/012090

Cited by 3 publications

(1 citation statement)

References 6 publications

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“…A trend toward a decrease in the energy of allowed transitions was also observed for germanosilicate glasses doped with Eu 3+ [22]. It is noteworthy that the introduction of erbium into glass declines E opt slightly as compared with undoped glass, and the calculated values of E opt for indirect transitions are close to those for zincate tellurite glasses [23][24][25].…”

Section: Optical Band Gap and Urbach Energysupporting

confidence: 65%

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses

Savikin,

Sumachev,

Krasnov

et al. 2023

Laser Phys. Lett.

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TeO2–ZnO–Bi2O3 glasses doped with Eu3+ and Er3+ ions were prepared and investigated for their physical, optical, and luminescent properties. The optical band gap is calculated for the indirect transition and is within the 3.04–3.10 eV range. The Urbach energy varies from 0.135 to 0.098 eV with the increase in Eu3+ compound content. Bi2Te2O8 and ZnTeO3 complex oxide phases are generated in the mixture as intermediate compounds in the course of charge thermal processing. The additional doping of TeO2–ZnO–Bi2O3:Er3+ glass samples with Eu3+ ions is shown to lead to the appearance of cross-relaxation channels of the Er3+ ion states and decreases the population of the 4I13/2 state of the Er3+ ions. Simultaneously, the excited 4I11/2 state of the Er3+ ions is also subjected to strong cross-relaxation decay. The Eu3+ ions are shown to decrease the 4I13/2 level population of Er3+ ions, which may facilitate the attainment of population inversion if the 4I13/2 level is at the lower level of the laser transition.

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Section: Optical Band Gap and Urbach Energysupporting

confidence: 65%

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses

Savikin,

Sumachev,

Krasnov

et al. 2023

Laser Phys. Lett.

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Optical properties of zinc tellurite glasses doped with Cu2+ ions

Zamyatin

Плотниченко

Чурбанов

et al. 2018

Journal of Non-Crystalline Solids

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Physical and optical properties of zinc tellurite Glass embedded Silver Nanoparticles co-dopedwith Nd3+/Er3+ ions

Ahmed¹,

Ibrahim²,

Sahar³

2017

JZS

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A series of Silver Nanoparticles embedded in the system of zinc-tellurite glass co-doped Neodymium/Erbium ions with the composition of (69.5-2.5x)TeO2–30ZnCl2–xNd2O3–xEr2O3–(0.5+0.5x)AgCl concentration from 0.0 to 3.0 mol% (x=0, 1, 2 and 3) have successfully been synthesized by melt-quenching techniques. The amorphous nature of the glass was confirmed from x-ray diffraction technique. The decrease of refractive index from 2.446 to 2.429 is attributed to the generation of bridging oxygen atoms via the conversion of TeO3 into TeO4 units. Conversely the increase in refractive index to 2.436 is attributed to the generation of non-bridging oxygen atoms via the conversion of TeO4 into TeO3 units. From the absorption edge studies, the value of the optical band gap EIopt.. and Urbach energy (DE) have been evaluated. The value of EIopt. lies between 2.34 and 2.83eV for the indirect transition while the Urbach energy values lies between 0.005 to 1.33eV. The experimental results indicate that Nd3+/Er3+ rare earth ions co-doped in the system of zinc-tellurite glasses embaded silver nanoparticles are a good candidates for solid state laser as active medium.

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Two photon absorption in TeO₂-ZnO glass at different laser irradiances

Cited by 3 publications

References 6 publications

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses

Optical properties of zinc tellurite glasses doped with Cu2+ ions

Physical and optical properties of zinc tellurite Glass embedded Silver Nanoparticles co-dopedwith Nd3+/Er3+ ions

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Two photon absorption in TeO2-ZnO glass at different laser irradiances

Cited by 3 publications

References 6 publications

Influence of Eu3+ ions on 1.5 µm luminescence of Er3+ in TeO2–ZnO–Bi2O3 glasses

Influence of Eu3+ ions on 1.5 µm luminescence of Er3+ in TeO2–ZnO–Bi2O3 glasses

Optical properties of zinc tellurite glasses doped with Cu2+ ions

Physical and optical properties of zinc tellurite Glass embedded Silver Nanoparticles co-dopedwith Nd3+/Er3+ ions

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Product

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Two photon absorption in TeO₂-ZnO glass at different laser irradiances

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses

Influence of Eu³⁺ ions on 1.5 µm luminescence of Er³⁺ in TeO₂–ZnO–Bi₂O₃ glasses