Deflectometric method for surface shape reconstruction from its gradient | Zendy

Antonı́n Mikš | Zendy; Jiří Novák | Zendy

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Deflectometric method for surface shape reconstruction from its gradient

Author(s) -

Antonı́n Mikš,

Jiří Novák

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.028341

Subject(s) - surface (topology) , optics , partial differential equation , surface reconstruction , nonlinear system , materials science , physics , mathematical analysis , geometry , mathematics , quantum mechanics

In this work we provide a theoretical analysis of gradient deflectometric method for 3D topography measurements of optically smooth surfaces. It is shown that the surface reconstruction problem leads to a nonlinear partial differential equation. A shape of a surface can be calculated by solution of a derived equation. An advantage of the presented method is a noncontact character and no need for a reference surface.

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