Evaluation and correction of aberrations in an optical correlator by phase shift interferometry

CLAUDIO IEMMI; A.MORENO; J.NICOLÁS; J.CAMPOS

OPTICS LETTERS

Optical Society of America

Año: 2003 vol. 28 p. 1117 - 1119

0146-9592

We propose a new method for evaluating and correcting aberrations in a Vander Lugt correlator. The technique is achieved with liquid-crystal displays of the correlator and allows the task to be performed in situ. We present the theory on which the method is based and the experimental results that we obtained by applying it in a convergent correlator.in situ. We present the theory on which the method is based and the experimental results that we obtained by applying it in a convergent correlator.