Synthesis and investigation of composite Yb-doped Y2O3–Sc2O3 laser ceramics

Yb-doped (Y
_x
Sc
_1-x
)
₂
O
₃
solid solution (x~0÷1) transparent ceramics with an optical transmittance of over 81% in VIS and NIR were fabricated via solid-state sintering of mixed sesquioxide nanoparticles synthesized by laser ablation. The absorption and emission spectra of Yb:(Y
_x
Sc
_1-x
)
₂
O
₃
solid solutions are intermediate between those of the single compositions with an evident broadening of the emission peak near 1035 nm.