Quadratic extension to retrace error calibration algorithm for non-null interferometric surface figure testing of nominally flat reflective surfaces

Martin Tangari Larrategui, Yanqi Zhang, Andrew D. Rocha, Thomas G. Brown, Jonathan D. Ellis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present a slope dependent calibration algorithm for interferometric surface figure testing. RMS wavefront error is reduced 40.7% (10.8% for linear method) from the uncalibrated measurement for a R/22.7 mirror tested against a flat reference.

Original languageEnglish (US)
Title of host publicationFreeform Optics, Freeform 2019
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
StatePublished - 2019
EventFreeform Optics, Freeform 2019 - Washington, United States
Duration: Jun 10 2019Jun 12 2019

Publication series

NameOptics InfoBase Conference Papers
VolumePart F173-Freeform 2019

Conference

ConferenceFreeform Optics, Freeform 2019
CountryUnited States
CityWashington
Period6/10/196/12/19

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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