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Proceedings Paper

Application Of Ronchi Interferometry To Testing Large Aperture Flat Mirrors
Author(s): David E. Stoltzmann
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Paper Abstract

Utilizing the concept of Ronchi interferometry, a simple and inexpensive surface testing technique is described which allows the testing of large flat first surface optical mirrors. The system sensitivity is variable and responsive to a number of imaging defects introduced by imperfect mirrors. While easiest to use in a qualitative or semi-quantitative mode based on empirical measurements, the testing technique can be quantified to any required degree. When used qualitatively, the system functions best in a large volume testing environment as a screening comparator.

Paper Details

Date Published: 15 December 1978
PDF: 8 pages
Proc. SPIE 0153, Advances in Optical Metrology I, (15 December 1978); doi: 10.1117/12.938218
Show Author Affiliations
David E. Stoltzmann, 3M Company (United States)

Published in SPIE Proceedings Vol. 0153:
Advances in Optical Metrology I
N. Balasubramanian; James C. Wyant, Editor(s)

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