Image Degradation Caused By Tooling Marks In Diamond-Turned Optics

J. M. Elson; H. E. Bennett

doi:10.1117/12.946340

3 September 1985 Image Degradation Caused By Tooling Marks In Diamond-Turned Optics

J. M. Elson, H. E. Bennett

Proceedings Volume 0525, Measurement and Effects of Surface Defects & Quality of Polish; (1985) https://doi.org/10.1117/12.946340
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

The nature of surface errors on diamond-turned optics is frequently machine specific. The diamond tool may have a slightly irregular cutting edge. In addition to the obvious tooling grooves associated with the feed rate, the cutting operation may be beset with subtle oscillations or resonances that affect the quality of the surface. Such errors are typically quasiperiodic in nature and will be so treated in this study. Quasi-periodic surface errors will be modeled where the height of the irregularities is assumed to be a small fraction of the incident wavelength. First order perturbation scattering theory will be used to predict the effect of such errors on the performance of optical systems.

Citation Download Citation

J. M. Elson and H. E. Bennett "Image Degradation Caused By Tooling Marks In Diamond-Turned Optics", Proc. SPIE 0525, Measurement and Effects of Surface Defects & Quality of Polish, (3 September 1985); https://doi.org/10.1117/12.946340

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