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Diamond Milling of Micro-Optics

机译:微光学钻石铣削

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摘要

A diamond mill (a tiny end mill) can cut aspheric lenses and mirrors with diameters smaller than 0.5 mm. The cutting tool has a two-dimensional shape and is spun about the axis of the surface to be cut. As the spinning tool is plunged into the substrate, it cuts a radially symmetric surface to sub-micron accuracies. Commercially available circular diamond tools can be modified to aspheric shapes using a focused ion beam. Fabrication examples will be presented and the optical performance of an array of micro-lenses will be described.
机译:金刚石铣刀(微小的立铣刀)可以切割直径小于0.5毫米的非球面镜片和镜子。切割工具具有二维形状,并且围绕要切割的表面的轴线旋转。当旋转工具插入基板时,它会切割出一个径向对称的表面以达到亚微米精度。可使用聚焦离子束将市售圆形金刚石工具修改为非球面形状。将给出制造示例,并且将描述微透镜阵列的光学性能。

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