On-axis joint transform correlation based on a four-level power spectrum.
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.
Labastida
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Departament de Física Aplicada i Optica, Universitat de Barcelona, Av Diagonal 647, E08028 Barcelona, Spain. nasi@optica.ub.es
Carnicer
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A
Martín-Badosa
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E
Juvells
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I
Vallmitjana
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