Performance enhancement of a joint transform correlator using the directionality of a spatial light modulator

Mei Li Hsieh; Eung Gi Paek; Charles L. Wilson; Ken-Yuh Hsu

doi:10.1117/1.602320

Performance enhancement of a joint transform correlator using the directionality of a spatial light modulator

Mei Li Hsieh, Eung Gi Paek, Charles L. Wilson, Ken-Yuh Hsu

Department of Photonics

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

4 Scopus citations

Abstract

We observe that conventional electrically addressable spatial light modulators have different transfer functions along the fast (horizontal) and the slow (vertical) directions. We then propose to use the directionality of a spatial light modulator to increase the performance of a joint transform correlator. Our experimental results show that input space-bandwidth product of a joint transform correlator can be significantly increased by recording a hologram so that interference fringes run along the fast (horizontal) direction of a spatial light modulator.

Original language	English
Pages (from-to)	2118-2121
Number of pages	4
Journal	Optical Engineering
Volume	38
Issue number	12
DOIs	https://doi.org/10.1117/1.602320
State	Published - 1 Dec 1999

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AU - Wilson, Charles L.

AU - Hsu, Ken-Yuh

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N2 - We observe that conventional electrically addressable spatial light modulators have different transfer functions along the fast (horizontal) and the slow (vertical) directions. We then propose to use the directionality of a spatial light modulator to increase the performance of a joint transform correlator. Our experimental results show that input space-bandwidth product of a joint transform correlator can be significantly increased by recording a hologram so that interference fringes run along the fast (horizontal) direction of a spatial light modulator.

AB - We observe that conventional electrically addressable spatial light modulators have different transfer functions along the fast (horizontal) and the slow (vertical) directions. We then propose to use the directionality of a spatial light modulator to increase the performance of a joint transform correlator. Our experimental results show that input space-bandwidth product of a joint transform correlator can be significantly increased by recording a hologram so that interference fringes run along the fast (horizontal) direction of a spatial light modulator.

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Performance enhancement of a joint transform correlator using the directionality of a spatial light modulator

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