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11 October 2015 Novel method for fabrication of monolithic multi-cavity molds and wafer optics
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Proceedings Volume 9633, Optifab 2015; 96331K (2015)
Event: SPIE Optifab, 2015, Rochester, New York, United States
One lens at a time on axis diamond turning or grinding of lens arrays with a large number of lenses is conventionally impractical because of the difficulties to shift and balance the substrate for each lens position. A novel method for automatic indexing was developed. This method uses an innovative mechatronics tooling (patent pending) that allows dynamic indexing at constant work spindle speed for maximum productivity and thermal stability of the work spindle while the balancing condition is maintained. In this paper we shall compare the machining capabilities of this method to free-form machining techniques, discuss about the main issues, present the concept and design of the working prototype and specific test bed, and present the results of the first cutting tests.
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Marc Wielandts and Remi Wielandts "Novel method for fabrication of monolithic multi-cavity molds and wafer optics", Proc. SPIE 9633, Optifab 2015, 96331K (11 October 2015);


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