Single point diamond machining of optical and related mounting surfaces

Gary J. Mladjan

doi:10.1117/12.482173

9 September 2002 Single-point diamond machining of optical and related mounting surfaces

Gary J. Mladjan

Proceedings Volume 4771, Optomechanical Design and Engineering 2002; (2002) https://doi.org/10.1117/12.482173
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Over the past several years we have designed and fabricated several variations of a three mirror anistigmat Telescope for a Risk Reduction effort. In order to achieve passive athermalization, use of the same materials for both mirrors and structures is desirable. We fabricated 2 telescopes using investment cast aluminum alloy A356 in the first and investment cast Aluminum/Beryllium alloy 191 in the second, for all components. All optical surfaces and corresponding mounting surfaces are nickel plated and single point diamond tuned. The telescopes were assembled to meet the optical prescription tolerances with no alignment required other than focus. Components and performance levels are totally interchangeable between the telescopes, except for athermalization issues.

Citation Download Citation

Gary J. Mladjan "Single-point diamond machining of optical and related mounting surfaces", Proc. SPIE 4771, Optomechanical Design and Engineering 2002, (9 September 2002); https://doi.org/10.1117/12.482173

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