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Optom Vis Sci. 2005 Oct;82(10):923-32.

Paraxial propagation of astigmatic wavefronts in optical systems by an augmented stepalong method for vergences.

Author information

1
Universidade de Santiago de Compostela, Santiago de Compostela, Spain.

Erratum in

  • Optom Vis Sci. 2006 Mar;83(3):199.

Abstract

PURPOSE:

The propagation of astigmatic wavefronts through astigmatic optical systems is reconsidered in the wavefront perspective.

METHODS:

The stepalong method for vergences, described by 2x2 matrices, is applied and augmented to produce off-axis information like the magnification. This so-called augmented stepalong method (ASAM) is derived by applying the paraxial propagation of astigmatic wavefronts to tilted wavefronts as well.

RESULTS:

The features of the ASAM are discussed for a single surface, a thick lens, and a general system.

CONCLUSIONS:

The ASAM provides all necessary information to describe a centered astigmatic optical system in paraxial approximation.

PMID:
16276326
[Indexed for MEDLINE]
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