Manufacturing And Testing Of A Grazing Incidence Mirror

Manfred W. Grindel; Christopher J. Stolz

doi:10.1117/12.942186

9 August 1988 Manufacturing And Testing Of A Grazing Incidence Mirror

Manfred W. Grindel, Christopher J. Stolz

Proceedings Volume 0830, Grazing Incidence Optics for Astronomical and Laboratory Applications; (1988) https://doi.org/10.1117/12.942186
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Fabrication and testing of aspheric surfaces has always been a challenge for the optical industry. A mirror that is part of an ellipsoid is particularly difficult to manufacture when the axis of rotation does not intersect the surface and the radii change in two directions. Another difficulty in fabrication is the stringent specifications imposed by the nature of the application of the mirror. The physical requirements are for a 50 mm thick piece of fused silica with a 400 x 100 mm surface area platinum coated for use at grazing incidence. The mirror is used to image energy from a synchroton radiation source at one focus. The tolerances require a high figure accuracy, small slope deviations, and a minimum of surface roughness. The purpose of this paper is to present the methods used to fabricate and test such an elliptical mirror as described.

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Manfred W. Grindel and Christopher J. Stolz "Manufacturing And Testing Of A Grazing Incidence Mirror", Proc. SPIE 0830, Grazing Incidence Optics for Astronomical and Laboratory Applications, (9 August 1988); https://doi.org/10.1117/12.942186

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KEYWORDS

Mirrors

Grazing incidence

Surface finishing

Tolerancing

Polishing

Optics manufacturing

Interferometers

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