Mid-infrared luminescence of dysprosium-doped gallium-antimony-sulfur-iodine chalcohalide glasses and fibers
Source abstract
Abstract
Abstract Dy3+ doped Ga-Sb-S-I chalcohalide glasses were prepared by melt-quenching method. The thermal stability and mid-infrared (MIR) luminescence of the glass samples were investigated systematically. Dy3+ dopants in Ga-Sb-S-I glasses exhibited intense 2.92-μm emission and 4.41-μm emission. High quantum efficiency and large stimulated emission cross section were observed for these two emission bands. Finally, Dy3+ doped Ga-Sb-S-I glass fibers were fabricated, using a core composition of 0.05 wt.% Dy3+: Ga8Sb32S55I5 and a cladding composition of Ga8Sb31S56I5. MIR attenuation and luminescence of the fibers were characterized. The fiber shows the minimum loss of 1.9 dB/m at 6 µm. Strong 3.0-µm and 4.4-µm emission bands were seen. It indicates that Dy3+ doped Ga-Sb-S-I glass fiber is promising for mid-infrared fiber gain medium usage.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Glass properties and applications · Phase-change materials and chalcogenides · Optical properties and cooling technologies in crystalline materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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