Systematic errors analysis for a large dynamic range aberrometer based on aberration theory

Peng Wu, Sheng Liu, Edward Dehoog, James T Schwiegerling

Research output: Contribution to journalArticle

Abstract

In Ref. [1], it was demonstrated that the significant systematic errors of a type of large dynamic range aberrometer are strongly related to the power error (defocus) in the input wavefront. In this paper, a generalized theoretical analysis based on vector aberration theory is presented, and local shift errors of the SH spot pattern as a function of the lenslet position and the local wavefront tilt over the corresponding lenslet are derived. Three special cases, a spherical wavefront, a crossed cylindrical wavefront, and a cylindrical wavefront, are analyzed and the possibly affected Zernike terms in the wavefront reconstruction are investigated. The simulation and experimental results are illustrated to verify the theoretical predictions.

Original languageEnglish (US)
Pages (from-to)6324-6331
Number of pages8
JournalApplied Optics
Volume48
Issue number32
DOIs
StatePublished - Nov 10 2009

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Systematic errors
error analysis
Wavefronts
Aberrations
systematic errors
Error analysis
dynamic range
aberration
shift
predictions
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Systematic errors analysis for a large dynamic range aberrometer based on aberration theory. / Wu, Peng; Liu, Sheng; Dehoog, Edward; Schwiegerling, James T.

In: Applied Optics, Vol. 48, No. 32, 10.11.2009, p. 6324-6331.

Research output: Contribution to journalArticle

Wu, Peng ; Liu, Sheng ; Dehoog, Edward ; Schwiegerling, James T. / Systematic errors analysis for a large dynamic range aberrometer based on aberration theory. In: Applied Optics. 2009 ; Vol. 48, No. 32. pp. 6324-6331.
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