Effect of erbium concentration on spectroscopic properties of Er: CaLaGa3O7 crystals with 2.7 μm emission
Source abstract
Abstract
Abstract The synthesis and optical characterizations of CaLaGa 3 O 7 crystals with different Er dopant concentration are reported. The optical parameters related to absorption and emission cross-sections were evaluated and compared. It was found that the NIR fluorescence weakens, at the same time Mid-IR fluorescence intensity strengthens with the increment of Er 3+ ion dopant concentration in Er: CaLaGa 3 O 7 crystals. Furthermore, the energy transfer mechanism in Er: CaLaGa 3 O 7 crystal was studied in this work. Besides, the radiative transfer microscopic parameters of 4 I 11/2 and 4 I 13/2 levels were theoretically analyzed. Hence, these results indicate that 30 at% Er 3+ doped CaLaGa 3 O 7 crystal has potential applications in 2.7 μm laser.
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Research context
OpenAlex topics: Photorefractive and Nonlinear Optics · Luminescence Properties of Advanced Materials · Acoustic Wave Resonator Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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