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Proceedings Paper

Optomechanical considerations for realistic tolerancing
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Paper Abstract

Optical tolerancing simulation has improved so that the modeling of optomechanical accuracy can better predict as-built performance. A key refinement being proposed within this paper is monitoring formal interference fits and checking lens elements within their mechanical housings. Without proper checks, simulations may become physically unrealizable and pessimistic, thereby resulting in lower simulated yields. An improved simulation method has been defined and demonstrated in this paper with systems that do not have barrel constraints. The demonstration cases clearly show the trend of the beneficial impact with yield results, as a yield increase of 36.3% to 39.2% is garnered by one example. Considerations in simulating the realistic optomechanical system will assist in controlling cost and providing more accurate simulation results.

Paper Details

Date Published: 10 September 2013
PDF: 12 pages
Proc. SPIE 8844, Optical System Alignment, Tolerancing, and Verification VII, 884402 (10 September 2013); doi: 10.1117/12.2022804
Show Author Affiliations
Eric Herman, College of Optical Sciences, The Univ. of Arizona (United States)
José Sasián, College of Optical Sciences, The Univ. of Arizona (United States)
Richard N. Youngworth, Riyo LLC (United States)


Published in SPIE Proceedings Vol. 8844:
Optical System Alignment, Tolerancing, and Verification VII
José Sasián; Richard N. Youngworth, Editor(s)

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