The fanning of the primary bundle of light beams (411) is achieved by refraction on rotationally symmetric interfaces (471, 472), which are variably inclined in relation to the optical axis (417).

所述初级光束（411）的发 散通过在多个以不同角度朝所述光轴（417）倾斜的旋转对称界面（471，472） 上发生折射而实现。

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The fanning of the primary bundle of light beams (411) is achieved by refraction on rotationally symmetric interfaces (471, 472), which are variably inclined in relation to the optical axis (417).

所述初级光束（411）的发 散通过在多个以不同角度朝所述光轴（417）倾斜的旋转对称界面（471，472） 上发生折射而实现。

youdao