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    This study introduces an adaptive fiber-optics collimator (AFOC) to overcome discrete scanning angles in microlens array (MLA) systems. The novel approach enables continuous, high-resolution beam scanning for diverse optical applications.

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    Area of Science:

    • Optics and Photonics
    • Optical Engineering
    • Photonics Devices

    Background:

    • Conventional beam scanning systems utilize microlens arrays (MLAs), which inherently limit scanning to discrete angles due to their periodic structure.
    • This limitation restricts the performance and applicability of MLA-based systems in advanced optical applications requiring precise beam steering.

    Purpose of the Study:

    • To overcome the discrete scanning angle limitation of conventional microlens array (MLA) systems.
    • To develop a beam scanning system with continuous scanning capability and high resolution.
    • To demonstrate the effectiveness of integrating an adaptive fiber-optics collimator (AFOC) with an MLA.

    Main Methods:

    • An adaptive fiber-optics collimator (AFOC) was introduced as a moving linear phase shifter positioned before the microlens array (MLA).
    • The AFOC continuously adjusts the position of the light source (optic fiber output) to modulate the phase shift.
    • Theoretical simulations and experimental validations were conducted to assess the system's performance.

    Main Results:

    • The integration of AFOC with MLA successfully overcomes the discrete scanning angle problem.
    • The proposed system demonstrates continuous and high-resolution beam scanning capabilities.
    • Both theoretical simulations and experimental results confirm the system's effectiveness.

    Conclusions:

    • The developed beam scanning system offers continuous, high-resolution steering by combining MLA and AFOC.
    • This advancement addresses a key limitation in current beam scanning technologies.
    • The system holds significant potential for applications in space optical communication, optical interconnection, power projection, and coherent beam combining.