Signal Processing Using Surface Acousto-Optic Interaction in LiNbO3

P. Das; D. Schumer

doi:10.1080/00150197608241955

Signal Processing Using Surface Acousto-Optic Interaction in LiNbO₃

P. Das, D. Schumer

Engineering Division (Great Valley)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Signal processing functions such as convolution, correlation, and Fourier Transformation have been obtained in real-time using the efficient diffraction of laser light from acoustic surface waves progagating on LiNbO₃. Different device configurations and detection schemes are discussed. Results are presented for the usual delay-line transducer configuration, as well as for an improved scheme which eliminates the problem of the reflection signal which is associated with this configuration. A discussion is given indicating the extension of the acousto-optical convolver to the generation of ambiguity functions and the correlation of a light amplitude distribution with an acoustic signal.

Original language	English (US)
Pages (from-to)	77-80
Number of pages	4
Journal	Ferroelectrics
Volume	10
Issue number	1
DOIs	https://doi.org/10.1080/00150197608241955
State	Published - Jan 1 1976

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1080/00150197608241955

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abstract = "Signal processing functions such as convolution, correlation, and Fourier Transformation have been obtained in real-time using the efficient diffraction of laser light from acoustic surface waves progagating on LiNbO3. Different device configurations and detection schemes are discussed. Results are presented for the usual delay-line transducer configuration, as well as for an improved scheme which eliminates the problem of the reflection signal which is associated with this configuration. A discussion is given indicating the extension of the acousto-optical convolver to the generation of ambiguity functions and the correlation of a light amplitude distribution with an acoustic signal.",

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N2 - Signal processing functions such as convolution, correlation, and Fourier Transformation have been obtained in real-time using the efficient diffraction of laser light from acoustic surface waves progagating on LiNbO3. Different device configurations and detection schemes are discussed. Results are presented for the usual delay-line transducer configuration, as well as for an improved scheme which eliminates the problem of the reflection signal which is associated with this configuration. A discussion is given indicating the extension of the acousto-optical convolver to the generation of ambiguity functions and the correlation of a light amplitude distribution with an acoustic signal.

AB - Signal processing functions such as convolution, correlation, and Fourier Transformation have been obtained in real-time using the efficient diffraction of laser light from acoustic surface waves progagating on LiNbO3. Different device configurations and detection schemes are discussed. Results are presented for the usual delay-line transducer configuration, as well as for an improved scheme which eliminates the problem of the reflection signal which is associated with this configuration. A discussion is given indicating the extension of the acousto-optical convolver to the generation of ambiguity functions and the correlation of a light amplitude distribution with an acoustic signal.

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Signal Processing Using Surface Acousto-Optic Interaction in LiNbO₃

Abstract

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