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Extended Risley scanning system with 30 × 360 coverage.

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    This summary is machine-generated.

    We developed a novel beam scanning system using an extended Risley prism, achieving a full 360° scan range. This innovation offers significant practical value for beam scanning applications.

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    Area of Science:

    • Optics and Photonics
    • Optical Engineering
    • Beam Steering Technology

    Background:

    • Existing extended Risley prism systems are limited to scanned angles less than 180°.
    • There is a need for beam scanning systems with a wider angular coverage for practical applications.

    Purpose of the Study:

    • To propose and validate a novel beam scanning system based on an extended Risley prism structure.
    • To achieve a full 360° scanned angle, overcoming limitations of previous designs.

    Main Methods:

    • Utilized an extended Risley prism with a rotating mirror structure.
    • Incorporated optimized reflectors and multiple transmitter/receiver structures.
    • Simulated the system's performance, focusing on scanned angle and resolution.

    Main Results:

    • The proposed system achieves a full 360° horizontal scan range.
    • Demonstrated a vertical scan range of ±14° at a distance of 110 m.
    • Attained an angular resolution of 0.2° × 2°.

    Conclusions:

    • The novel extended Risley prism system successfully expands the scanned angle to 360°.
    • The system exhibits significant practical significance and application value in beam scanning.
    • Optimized component placement and transmission directions are key to the enhanced performance.