Abstract

A technique is presented for color encoding holographic interferometric fringe patterns using an extended white-light source. The color encoding is performed on the smeared Fourier spectra which are derived from an on-focus multiplexed interferometric hologram. This color encoding technique offers the advantages of direct comparison of different fringe patterns which can also be transmitted for direct color monitor display and storage. This white-light processing technique is capable of performing complex spatial filtering for fringe pattern recognition and identification. This technique is simple, versatile, and can be performed using coherent, partially coherent, or white light.

© 1981 Optical Society of America

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