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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

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Related Experiment Video

Updated: Jun 12, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

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Published on: January 28, 2019

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

T D Hudson, D W Trivett, D A Gregory

    Applied Optics
    |June 18, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Deformable mirror device (DMD) spatial light modulators are now used in optical correlators. This study explores their application in both joint transform and VanderLugt correlator systems for advanced optical processing.

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    Area of Science:

    • Optics and Photonics
    • Optical Engineering
    • Information Optics

    Background:

    • The advent of Deformable Mirror Device (DMD) spatial light modulators offers new possibilities in optical processing.
    • Optical correlators, including joint transform and VanderLugt architectures, are key tools in pattern recognition and optical information processing.

    Purpose of the Study:

    • To investigate the integration and performance of DMDs within established optical correlator frameworks.
    • To explore the utility of DMDs as both input devices and filter elements in optical correlators.

    Main Methods:

    • Implementation of DMDs in a single-stage joint transform correlator as the input device.
    • Utilization of DMDs as the filter device in a VanderLugt correlator.
    • Employing a liquid crystal television (LCTV) for real-time filter addressing on the DMD.

    Main Results:

    • Demonstration of DMDs functioning effectively in both joint transform and VanderLugt correlator configurations.
    • Successful real-time filter updates using an LCTV in conjunction with the DMD.
    • Validation of DMDs as versatile components for optical correlator systems.

    Conclusions:

    • DMD spatial light modulators are adaptable and effective components for advanced optical correlator designs.
    • The integration of DMDs, particularly with real-time addressing capabilities, enhances the flexibility and performance of optical correlator systems.
    • This work paves the way for novel applications of DMD-based optical correlators in various fields.