Spectroscopic properties of Ce3+/Yb3+/Ho3+ triply doped bismuthate glasses
Source abstract
Abstract
Abstract Although Ho 3+ doped glasses and fibers lasing at 2.1 μm have been extensive studied, an effective means of power scaling still attracts interest from academic and industry societies. Here, by combining the unique characteristics of Bi 2 O 3 -B 2 O 3 -SiO 2 bismuthate glasses and oxidizing effect of CeO 2 doping, Ce 3+ /Yb 3+ /Ho 3+ triply doped glasses of improved optical properties can be obtained. A dramatically enhanced (by more than 50%) 2.1 μm emission of Ho 3+ is observed. The underlying mechanism and the possible energy transfer processes between Ce 3+ , Yb 3+ and Ho 3+ are discussed. The enhanced emission, together with a full width at half maximum of 190 nm, a stimulated emission cross-section of 4.1 × 10 −21 cm 2 and an extremely large internal quantum efficiency (more than 90%) of the 2.1 μm emission of Ho 3+ , suggests good potential of the studied glasses for fiber amplifiers.
Source: openaire · Quality: candidate unverified · Source record ↗
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 (32)
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