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Linearization and minimization of cyclic error with heterodyne laser interferometry

McRae, Terry G; Hsu, Magnus T L; Freund, Christopher H; Shaddock, Daniel A; Herrmann, Jan; Gray, Malcolm B


We present a method for the linearization and minimization of interferometer cyclic error. We utilize a polynomial curve fitting and resampling algorithm to correct for nonlinear mirror displacement. In the frequency domain, this algorithm compresses cyclic error into a single-frequency component and enables the precise measurement of cyclic error in a noise-dominated environment. We have applied the technique to determine the cyclic error for a range of interferometer components. In addition,...[Show more]

CollectionsANU Research Publications
Date published: 2012-07-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.37.002448


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