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 are presented and the optical performance of an array of micro-lenses are described.


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    Title :

    Diamond milling of micro-optics


    Contributors:
    Sweatt, W.C. (author) / Gill, D.D. (author) / Adams, D.P. (author) / Vasile, M.J. (author) / Claudet, A.A. (author)

    Published in:

    Publication date :

    2006-01-01


    Size :

    919991 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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