Estler, W.
, Schmitz, T.
, Davies, A.
and Evans, C.
(2002),
Displacement Uncertainty in Interferometric Radius Measurements, Annals of the CIRP
(Accessed November 8, 2024)
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Displacement Uncertainty in Interferometric Radius Measurements
Published
Author(s)
, , ,
Abstract
Interferometric radius measurements may be completed using a radius bench, where radius is defined as the displacement between the confocal and cat''s eye nulls (identified using a figure measuring interferometer). Measurements of a Zerodur sphere have been completed on the X-ray Optics Calibration Interferometer (XCALIBIR) and a coordinate measuring machine. Recorded disagreements, larger than the uncertainty indicated by the current analysis, call for an exploration of the analysis model. This paper focus on uncertainties associated with the three displacement measuring interferometers (DMIs) equally spaced around XCALIBIR''s optical axis, but may be generalized to treat displacement uncertainty in any axis where multiple DMIs are used.Citation
Annals of the CIRP
Volume
51(1)
Pub Type
Others
Keywords
interferometry, radius measurement, uncertainty
Citation
Issues
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Created January 1, 2002, Updated February 19, 2017