Er-doped silica glass were prepared by sol-gel process,and absorption spectrum,infrared spectrum and PL spectrum of Er3+ ions in silica glass were measured.

• 通过溶胶-凝胶技术制备了掺铒（Er）的硅基玻璃，测定了硅基玻璃中Er3+的电子吸收光谱、红外光谱和光致发光光谱（PL谱）.