Tolerancing an optical freeform surface: an optical fabricator's perspective

Jessica DeGroote Nelson; Kate Medicus; Gregory Frisch

doi:10.1117/12.2188576

3 September 2015 Tolerancing an optical freeform surface: an optical fabricator's perspective

Jessica DeGroote Nelson, Kate Medicus, Gregory Frisch

Proceedings Volume 9578, Current Developments in Lens Design and Optical Engineering XVI; 95780C (2015) https://doi.org/10.1117/12.2188576
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Freeform optical shapes or optical surfaces that are designed with non-symmetric features are gaining popularity with lens designers and optical system integrators. Tolerances on a freeform optical design influence the optical fabrication process. Case studies and soft tolerance limits for easier fabrication will be discussed. This paper will also give a high level overview of a freeform optical fabrication process that includes generation, high speed VIBE polishing, sub-aperture figure correction and testing of freeform surfaces.

Citation Download Citation

Jessica DeGroote Nelson, Kate Medicus, and Gregory Frisch "Tolerancing an optical freeform surface: an optical fabricator's perspective", Proc. SPIE 9578, Current Developments in Lens Design and Optical Engineering XVI, 95780C (3 September 2015); https://doi.org/10.1117/12.2188576

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