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Proceedings Paper

Precision centration measurements on injection-molded lenses for digital imaging
Author(s): Craig Olson
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Paper Abstract

We present a technique for measuring decenter on small-aperture injection-molded optics that combines a simple microscope measurement with basic geometric calculations. A system model comprising both the microscope and the test lens is used to define specific correction factors for calibration. The technique results in repeatable centration measurement accuracy under 3 um, and the direction of the individual surface shifts is also obtained. The level of accuracy achieved has been quantified by comparing point-spread-function measurements and simulations on VGA-quality singlets.

Paper Details

Date Published: 24 August 2005
PDF: 11 pages
Proc. SPIE 5872, Advancements in Polymer Optics Design, Fabrication, and Materials, 587206 (24 August 2005); doi: 10.1117/12.613190
Show Author Affiliations
Craig Olson, JDS Uniphase (United States)

Published in SPIE Proceedings Vol. 5872:
Advancements in Polymer Optics Design, Fabrication, and Materials
Timothy D. Goodman, Editor(s)

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