Further studies of radiation trapping in Er3+ doped chalcogenide glasses
Source abstract
Abstract
Abstract Strong overlap of emission and absorption spectra of Er3+ doped glasses gives rise to effect of radiation trapping (RT) where the quanta are emitted, absorbed and re-emitted many times before leaving the volume of the material. We investigate the steady-state and transient PL of Er3+ ions embedded in gallium lanthanum sulphide-oxide glasses with partial substitution of sulfur by oxygen. We develop a technique for direct observation of RT and we show that RT combined with internal reflections leads to uniform spatial distributions of radiation and excited Er3+ ions inside of glass sample.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Phase-change materials and chalcogenides · Glass properties and applications · Solid State Laser Technologies
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References (30)
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