Fabrication of glass aspheres using deterministic microgrinding and magnetorheological finishing

Donald Golini; Stephen D. Jacobs; William I. Kordonsky

doi:10.1117/12.218425

8 September 1995 Fabrication of glass aspheres using deterministic microgrinding and magnetorheological finishing

Donald Golini, Stephen D. Jacobs, William I. Kordonsky

Proceedings Volume 2536, Optical Manufacturing and Testing; (1995) https://doi.org/10.1117/12.218425
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Several aspheric lens elements have recently been produced using new manufacturing processes. Deterministic microgrinding and magnetorheological finishing technologies were employed to fabricate ten 47 mm diameter plano convex hyperboloidal aspheric condenser lenses. The parts had an aspheric departure of 145 microns from best fit sphere, with a final figure requirement of approximately one micron p-v. The lens elements were tested at the component and systems level and passed all end user requirements.

Citation Download Citation

Donald Golini, Stephen D. Jacobs, and William I. Kordonsky "Fabrication of glass aspheres using deterministic microgrinding and magnetorheological finishing", Proc. SPIE 2536, Optical Manufacturing and Testing, (8 September 1995); https://doi.org/10.1117/12.218425

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