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On-axis joint transform correlation based on a four-level power spectrum

Ignasi Labastida, Arturo Carnicer, Estela Martín-Badosa, Ignacio Juvells, and Santiago Vallmitjana

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Abstract

We propose a method to obtain a single centered correlation with use of a joint transform correlator. We analyze the required setup to carry out the whole process optically, and we also present experimental results.

© 1999 Optical Society of America

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