Revisiting PSD Analysis of Circularly Symmetric Surfaces

Katherine Creath; Katherine Creath

doi:10.1364/OFT.2017.OW2B.3

Optical Design and Fabrication 2017 (Freeform, IODC, OFT)
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper OW2B.3
•https://doi.org/10.1364/OFT.2017.OW2B.3

Revisiting PSD Analysis of Circularly Symmetric Surfaces

Katherine Creath

Optical Fabrication and Testing 2017

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

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Optical Characterization and Simulation (OW2B)

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K. Creath, "Revisiting PSD Analysis of Circularly Symmetric Surfaces," in Optical Design and Fabrication 2017 (Freeform, IODC, OFT), OSA Technical Digest (online) (Optica Publishing Group, 2017), paper OW2B.3.

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Abstract

An extended PSD calculation is presented where 1D PSD’s are calculated over diameters and then averaged together for circularly symmetric surfaces providing lower noise and a better estimate of the mid- and high- spatial frequency ranges of a single interferometric measurement. Results are compared to two other PSD calculation methods.

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