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Method and apparatus for producing a fresnelized freeform surface superposed on a planar or curved surface
Method and apparatus for producing a fresnelized freeform surface superposed on a planar or curved surface
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机译:用于生产重叠在平坦或弯曲表面上的菲涅耳化自由曲面的方法和设备
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摘要
The invention relates to a method and a device for ultra-precision machining of a Fresnel lens describing a rotationally asymmetrical optical free-form surface superposed on a planar or curved area. In order to achieve said aim, the Fresnel lens is manufactured by having a diamond tool perform turning and planing operations.
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