Data for: Enhanced spectroscopic properties with Y2O3/Al2O3 ratio in Ho3+-doped sol-gel high silica glasses

Absorption spectrum of Ho3+-doped sol-gel high silica glasses with different Y2O3 /Al2O3 ratio不同氧化钇（Y₂O₃）/三氧化二铝（Al₂O₃）配比的掺三价钬离子（Ho³⁺）溶胶-凝胶法（sol-gel）高二氧化硅玻璃的吸收光谱