GRIN ball lens is a spherical optical element with refractive index is symmetric around a spherical point and varies in spherical radius direction.
梯度折射率球透镜是一种折射率以球心为对称中心，并沿球半径方向分布的球型光学元件。
GRIN ball lens is a spherical optical element with refractive index is symmetric around a spherical point and varies in spherical radius direction.
梯度折射率球透镜是一种折射率以球心为对称中心，并沿球半径方向分布的球型光学元件。
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