The test on its optical transmittance was conducted, and analysis of the refractive index profile of a gradient index (GRIN) rod made of the base glass was performed.

• 制备了自聚焦透镜的基础玻璃,对其透过率进行了测试,并对由这种玻璃制成的梯度折射率(GRIN)棒的折射率分布进行了分析。