Infrared fluorescence, energy transfer process and quantitative analysis of thulium-doped niobium silicate-germanate glass

Chen, Rong; Tian, Ying; Li, Bingpeng; Wang, Caizhi; Jing, Xufeng; Zhang, Junjie; Xu, Shiqing

doi:10.1016/j.infrared.2016.10.016

Cited by 11 publications

(1 citation statement)

References 45 publications

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“…For instance, figure 6 shows some of the sophisticated infrared optics including aspheric and asphero-diffractive lenses, which can be directly inserted into a thermal imaging system such as an infrared camera. In general, glass materials based on silicon, germanium and chalcogenides (Ge 22 As 20 Se 58 ) are used in such infrared cameras [21].…”

Section: Thermal Stability Analysismentioning

confidence: 99%

Structural, thermal and optical studies of Eu3+ ion doped Ge₂₂As₂₀Se₅₈ glass

Singh

Mehta

Mishra

et al. 2023

Mater. Res. Express

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The effect of Eu3+ doping on improving the amorphous nature of commercial chalcogenide glass/ChG (Ge22As20Se58), which is typically used as a molded lens for mid-infrared imaging, has been investigated. The observed absence of bright spots in Transmission Electron Microscope-Selected area (electron) diffraction (TEM-SAED) pattern confirmed the doping-induced amorphous nature of Eu-Ge22As20Se58 glass. The thermal studies over glass transition temperature (Tg) using DSC technique also revealed that Eu doping has increased the amorphous nature along with the thermal stability of Ge22As20Se58 glass. The optical analysis using UV-Vis absorption spectroscopy showed that the activity of Eu-doped ChG has been extended across the UV-visible region. Tauc plot derived band gap energy of Eu-doped and undoped ChG is found to be 2.2 and 2.6 eV, respectively.

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Section: Thermal Stability Analysismentioning

confidence: 99%