Two-frame algorithm to design quadrature filters in phase shifting interferometry | Zendy

J. F. Mosiño | Zendy; J. C. Gutiérrez-García | Zendy; Tania A. Gutiérrez-García | Zendy; J. M. Macías-Preza | Zendy

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Two-frame algorithm to design quadrature filters in phase shifting interferometry

Author(s) -

J. F. Mosiño,

J. C. Gutiérrez-García,

Tania A. Gutiérrez-García,

J. M. Macías-Preza

Publication year - 2010

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.18.024405

Subject(s) - quadrature mirror filter , quadrature (astronomy) , interferometry , prototype filter , computer science , algorithm , clenshaw–curtis quadrature , frame (networking) , adaptive quadrature , filter (signal processing) , optics , filter design , mathematics , gaussian quadrature , physics , nyström method , control theory (sociology) , computer vision , integral equation , artificial intelligence , telecommunications , mathematical analysis , control (management)

The main purpose of this paper is to present a method to design tunable quadrature filters in phase shifting interferometry. From a general tunable two-frame algorithm introduced, a set of individual filters corresponding to each quadrature conditions of the filter is obtained. Then, through a convolution algorithm of this set of filters the desired symmetric quadrature filter is recovered. Finally, the method is applied to obtain several tunable filters, like four and five-frame algorithms.

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