Optical Design Analysis Incorporating Actual System Interferometric Data

Gilbert Willey; Rory Patchin

doi:10.1117/12.962982

22 December 1989 Optical Design Analysis Incorporating Actual System Interferometric Data

Gilbert Willey, Rory Patchin

Proceedings Volume 1168, Current Developments in Optical Engineering and Commercial Optics; (1989) https://doi.org/10.1117/12.962982
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Interferometric measurements of real surfaces are combined with computed optical design analyses. To accomplish this, a special software interface driver was developed to accept serial Optical Path Difference (OPD) data from a Zygo Mark III interferometer, apply standard algorithms, and convert the measured data into a CODE V readable file. Analysis was conducted on a large aperture developmental optical system containing a fold mirror of eggcrate construction. MTF performance of the entire system was computed as were the contributions of individual surfaces to overall optical quality. Diffraction effects due to the rib structure of the eggcrate mirror were apparent in this analysis, as were the effects of gravity and figure components of the wavefront. This hybrid analysis demonstrates the usefulness of coupling interferometry with an optical design program in the analysis of complex optical systems.

Citation Download Citation

Gilbert Willey and Rory Patchin "Optical Design Analysis Incorporating Actual System Interferometric Data", Proc. SPIE 1168, Current Developments in Optical Engineering and Commercial Optics, (22 December 1989); https://doi.org/10.1117/12.962982

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KEYWORDS

Mirrors

Modulation transfer functions

Wavefronts

Diffraction

Interferometry

Code v

Computing systems

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