3+ ions in a concentration series of Ca"/>

Crystals of CaF2-SrF2-4 mol.% YbF3 solid solutions for laser applications

2020 International Conference Laser Optics (ICLO)(2020)

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摘要
The absorption spectra of Yb 3+ ions in a concentration series of Ca( 1-X ) Sr X F 2 crystals: 4 mol% YbF 3 were studied with varying X from 0 to 1 at temperatures T=300K and T=77K. The largest peak absorption cross section for the optical centers of Yb 3+ ion clusters is characteristic of congruently melting crystals. The composition regions of CaF 2 -SrF 2 -4 mol.% YbF 3 crystals with the maximum inhomogeneous broadening of spectral lines were determined. The features of the effect of the composition on the dominant optical centers of Yb 3+ ions are revealed.
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关键词
ytterbium,optical centers,clusters,inhomogeneous broadening,fluoride crystals
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