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Proceedings Paper

Tolerances don't lie...and stories of the Grand Canyon!
Author(s): Robert E. Fischer
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Paper Abstract

There has been much written over the years about the generation of optical system fabrication, assembly, and alignment tolerances leading to a performance error budget and predicted system performance. Over my 40 years of optical design experience I have become increasingly more cautious (and concerned) about how accurately we, the optics community, are tolerancing our systems and predicting their manufactured performance. In this paper I will share with you some of these concerns along with recommended ways of avoiding the many "speed bumps," "pot holes," and other common issues encountered when tolerancing. And of course I will reveal why "tolerances don't lie" and how this relates to the Grand Canyon.

Paper Details

Date Published: 2 September 2008
PDF: 12 pages
Proc. SPIE 7068, Optical System Alignment and Tolerancing II, 706803 (2 September 2008); doi: 10.1117/12.796840
Show Author Affiliations
Robert E. Fischer, OPTICS 1, Inc. (United States)

Published in SPIE Proceedings Vol. 7068:
Optical System Alignment and Tolerancing II
José M. Sasian; Richard Neil Youngworth, Editor(s)

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