Drawback of Using Only Wavefront Deviation to Define Irregularity Tolerance

Steve Bloomberg

doi:10.1364/IODC.2017.ITu1A.3

Optical Design and Fabrication 2017 (Freeform, IODC, OFT)
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper ITu1A.3
•https://doi.org/10.1364/IODC.2017.ITu1A.3

Drawback of Using Only Wavefront Deviation to Define Irregularity Tolerance

Steve Bloomberg

International Optical Design Conference 2017

Denver, Colorado United States
9–13 July 2017
ISBN: 978-1-943580-31-6

From the session
Tolerancing (ITu1A)

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S. Bloomberg, "Drawback of Using Only Wavefront Deviation to Define Irregularity Tolerance," in Optical Design and Fabrication 2017 (Freeform, IODC, OFT), OSA Technical Digest (online) (Optica Publishing Group, 2017), paper ITu1A.3.

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Abstract

Wavefront deviation does not fully represent irregularity effects. It is shown how reflective telescopes with similar wavefront deviation provide very different optical performance leading to possible non-conformities not predicted by tolerance analyses.

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