Making (lambda)/200 rms spheres via a hybrid conventional/computer-controlled process

Richard J. Boland; John Newcomb; Aaron N. Turner

doi:10.1117/12.218434

8 September 1995 Making (lambda)/200 rms spheres via a hybrid conventional/computer-controlled process

Richard J. Boland, John Newcomb, Aaron N. Turner

Proceedings Volume 2536, Optical Manufacturing and Testing; (1995) https://doi.org/10.1117/12.218434
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

High quality optics have been manufactured using both conventional spindle polishing and small tool figuring under computer control. While both techniques have been used to produce precision optics in the past, this paper describes the hybrid process of using both processes to utilize their specific figuring efficiencies. By knowing the frequency content of the surface being corrected, the proper tool size can be selected to address the dominant frequency. By using the most efficient tool for correction fabrication time will be reduced yielding more cost effective processes. Proper process calibrations and controls are required to maximize convergence and material removal.

Citation Download Citation

Richard J. Boland, John Newcomb, and Aaron N. Turner "Making (lambda)/200 rms spheres via a hybrid conventional/computer-controlled process", Proc. SPIE 2536, Optical Manufacturing and Testing, (8 September 1995); https://doi.org/10.1117/12.218434

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