GeO 2 Modified High-Concentration Er 3+ /Yb 3+ Co-Doped Phosphate Glasses for 1.5 μ m High Gain Laser
Source abstract
Abstract
The GeO 2 modified high-concentration Er 3+ /Yb 3+ co-doped phosphate glasses with composition 64P 2 O 5 –2ZnO–13BaCO 3 –13K 2 CO 3 –8Al 2 O 3 –0.5Er 2 O 3 –12Yb 2 O 3 – x GeO 2 mol% (PEYG, x = 0, 2.5, 5, 7.5, and 10) were successfully prepared by the melt-quenching method. The structure and spectroscopic properties were revealed by analyzing refractive index, expansion coefficient, glass transition temperature, absorption and emission spectra, and laser properties. We studied the relationship between GeO 2 doping content and spectroscopic properties, finding that GeO 2 could enhance 1535 nm emission of the PEYG glasses. The PEYG modified with 5 mol% GeO 2 showed the best spectroscopic properties. The study provided a good guidance for the design of high gain laser glasses and fibers.
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Research context
OpenAlex topics: Glass properties and applications · Solid State Laser Technologies · Luminescence Properties of Advanced Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (29)
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