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Real time optical correlator architectures using a deformable mirror spatial light modulator

Tracy D. Hudson, David W. Trivett, Don A. Gregory, James C. Kirsch

Open publisher page 9 citations

Abstract

The recent production of a deformable mirror device (DMD) spatial light modulator has naturally led to techniques of using this device in popular optical correlator architectures. In this paper, the DMD is used in both joint transform and VanderLugt arrangements. In some cases, the DMD is used as the input device to a single stage joint transform correlator, and in other cases it is used as the filter device in a VanderLugt correlator. A liquid crystal TV is also used for real time addressing of filters displayed on the DMD.

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What this paper is about

The recent production of a deformable mirror device (DMD) spatial light modulator has naturally led to techniques of using this device in popular optical correlator architectures. In this paper, the DMD is used in both joint transform and VanderLugt arrangements. In some cases, the DMD is used as the input device to a single stage joint transform correlator, and in other cases it is used as the filter device in a VanderLugt correlator. A liquid crystal TV is also used for real time addressing of filters displayed on the DMD.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The recent production of a deformable mirror device (DMD) spatial light modulator has naturally led to techniques of using this device in popular optical correlator architectures. In this paper, the DMD is used in both joint transform and VanderLugt arrangements. In some cases, the DMD is used as the input device to a single stage joint transform correlator, and in other cases it is used as the filter device in a VanderLugt correlator. A liquid crystal TV is also used for real time addressing of filters displayed on the DMD.

Key concepts: Spatial light modulator, Optical correlator, Optics, Spatial filter, Computer science, Spatial frequency, Joint (building), Optical modulator

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