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Modern high-performance angle measuring systems based on monolithic optics [Invited].

Edward Dowski, Gregory Johnson, Nelson Claytor

    Applied Optics
    |March 25, 2022
    PubMed
    Summary

    Modern angle measuring systems utilize monolithic optics and information theory for high accuracy and precision. These compact, cost-effective systems offer a large field of view without moving parts, enabling advanced localization and velocity estimation.

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    Area of Science:

    • Optics and Photonics
    • Information Theory
    • Measurement Science

    Background:

    • Traditional angle measurement systems often involve complex mechanical components.
    • Achieving high accuracy and precision typically requires larger, heavier, and more expensive instrumentation.
    • Limitations in field of view and robustness hinder applications in dynamic environments.

    Purpose of the Study:

    • To introduce novel angle measuring systems leveraging monolithic optics and modern information theory.
    • To highlight the advantages of these systems, including a large field of view, no moving parts, and reduced size and weight.
    • To demonstrate the potential for high accuracy and precision in angle measurement for advanced applications.

    Main Methods:

    • Development of angle measuring systems based on monolithic optical components.
    • Application of modern information theory principles for signal processing and data interpretation.
    • Integration of these systems for six degree-of-freedom (6DoF) localization and angular velocity estimation.

    Main Results:

    • The developed systems exhibit a large field of view and operate without any moving parts.
    • Achieved accuracy and precision are on the order of arc seconds or micro radians.
    • Demonstrated successful application in 6DoF localization and angular velocity estimation.

    Conclusions:

    • Monolithic optics and information theory enable compact, cost-effective, and high-performance angle measurement.
    • These systems offer significant advantages over traditional methods for various applications.
    • The technology provides a robust solution for precise spatial awareness and motion tracking.