Judd-Ofelt analysis and mid-infrared emission properties of Ho3+-Yb3+ co-doped tellurite oxy-halide glasses

Wenjun Zhang; Liang Rong; Junjiang Ren; Yujie Jia; Shuai Qian; Jian Lin

doi:10.1117/12.2032769

21 August 2013 Judd-Ofelt analysis and mid-infrared emission properties of Ho³⁺-Yb³⁺ co-doped tellurite oxy-halide glasses

Wenjun Zhang, Liang Rong, Junjiang Ren, Yujie Jia, Shuai Qian, Jian Lin

Author Affiliations +

Proceedings Volume 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems; 89060P (2013) https://doi.org/10.1117/12.2032769
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

2.0μm emission properties of Ho³⁺-Yb³⁺ co-doped tellurite oxy-halide glass exited by 980nm LD is reported. Mid-infrared transmittance property of glass was investigated by Fouriertransform infrared (FTIR) spectrometer. The Judd-Ofelt intensity parameters Ω_t)t=2,4,6) , spontaneous radiative transition probabilities, branching ratios and radiative lifetime of Ho3+ were calculated according to the absorption spectra by using Judd-Ofelt theory. The absorption, emission cross-sections and gain coefficient of Ho³⁺:⁵I₇→⁵I₈ are calculated based on the McCumber and Reciprocity theories. Results indicate that the maximum 2.0μm emission intensity of Ho³⁺ was achieved at 0.15mol% Ho₂O₃ and 1.5mol% Yb2O3 concentrations in tellurite oxy-halide glass. The maximum absorption and stimulated emission cross-section of Ho³⁺ near 1944nm are 6.37 x 10^-210cm² at 2.0μm and 10.94 x 10^-21cm² respectively. The results suggest Ho³⁺-Yb³⁺ co-doped tellurite oxy-halide glass is a good candidate for efficient 2.0μm laser.

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Wenjun Zhang, Liang Rong, Junjiang Ren, Yujie Jia, Shuai Qian, and Jian Lin "Judd-Ofelt analysis and mid-infrared emission properties of Ho³⁺-Yb³⁺ co-doped tellurite oxy-halide glasses", Proc. SPIE 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems, 89060P (21 August 2013); https://doi.org/10.1117/12.2032769

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