Optical spectroscopy and population behavior between I-4(11/2) and I-4(13/2) levels of erbium doped germanate glass
作者： Tao Wei , Ying Tian , Cong Tian , Xufeng Jing , Junjie Zhang
DOI: 10.1364/OME.4.002150
关键词:
摘要: In this paper, mid-infrared emission properties and energy transfer mechanism were investigated in Er3+ doped germanate glass pumped by 980 nm diode laser. Spontaneous radiative transition probability cross section at 2.7 μm calculated to be as high 36.45 s−1 1.61 × 10−20 cm2, respectively. Corresponding upconversion spectra lifetimes of 4I13/2 level determined elucidate the luminescent characteristics. Moreover, population behaviors Er3+: 4I11/2 analyzed numerically via Inokuti-Hirayama model, rate equations Dexter’s theory. addition, DSC curves developed samples measured thermal stabilities studied evaluate ability resisting damage crystallization. The results indicate that erbium activated is a promising candidate for applications. This work may provide beneficial guide investigation ions emissions.
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