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Frequency-agile rf notch filter that uses photorefractive two-beam coupling

John H. Hong and Tallis Y. Chang

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Abstract

We describe a novel rf signal-filtering system based on photorefractive two-beam coupling implemented as a notch-filter transfer function for rf signals. By using a locally generated signal, the notch location in frequency can be tuned over a wide rf spectral band.

© 1993 Optical Society of America

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