Verification and certification of CGH aspheric nulls

Steven M. Arnold; Robert Kestner

doi:10.1117/12.218414

8 September 1995 Verification and certification of CGH aspheric nulls

Steven M. Arnold, Robert Kestner

Proceedings Volume 2536, Optical Manufacturing and Testing; (1995) https://doi.org/10.1117/12.218414
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Computer generated holograms (CGHs) are an alternative to refractive or reflective null optics when testing spheric optic components. A key attraction is that the difficulty of designing and fabricating a CGH null is largely independent of the detailed shape of the test asphere. CGH nulls have been used quite successfully in a number of high profile programs, but certification issues have limited their more widespread acceptance as a primary testing means. This is due largely to unfamiliarity with appropriate verification and certification methods. We here discuss specification and tolerancing of CGH nulls and present a comprehensive methodology for verification and certification.

Citation Download Citation

Steven M. Arnold and Robert Kestner "Verification and certification of CGH aspheric nulls", Proc. SPIE 2536, Optical Manufacturing and Testing, (8 September 1995); https://doi.org/10.1117/12.218414

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