15 June 2018 Larger format freeform fabrication and metrology
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Abstract
Freeform optical shapes or optical surfaces that are designed with non-symmetric features are gaining popularity with lens designers and optical system integrators. Manufacturing and testing details will be discussed for freeforms as well as current manufacturing tolerancing limits. This paper will address challenges that have been encountered in the manufacturing, testing, and handling of freeforms as their size expands up to and beyond 500 mm, and provide future work that will address each challenge.
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Matthew Brunelle, Todd Blalock, Timothy Lynch, Ian Ferralli, Jessica DeGroote Nelson, "Larger format freeform fabrication and metrology", Proc. SPIE 10692, Optical Fabrication, Testing, and Metrology VI, 106920L (15 June 2018); doi: 10.1117/12.2312078; https://doi.org/10.1117/12.2312078
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