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Proceedings Paper

Convenient noncontact radius measurement using secondary moire properties
Author(s): Hans-Joerg Heimbeck
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Paper Abstract

The local radius of a reflecting surface can be measured by imaging a grating in a F-Theta- Setup. The radius is determined by measuring the grating period. That can be done in a moire technique where the reference grating is a moire itself. The reticule can be scaled for direct reading of the radius by using the properties of the secondary moire.

Paper Details

Date Published: 1 January 1992
PDF: 4 pages
Proc. SPIE 1531, Advanced Optical Manufacturing and Testing II, (1 January 1992); doi: 10.1117/12.134846
Show Author Affiliations
Hans-Joerg Heimbeck, Fisba Optik AG (Switzerland)


Published in SPIE Proceedings Vol. 1531:
Advanced Optical Manufacturing and Testing II
Victor J. Doherty, Editor(s)

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