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Continuous optical zoom telescopic system based on liquid lenses.

Zhao Jiang, Yi Zheng, Xin Wang

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    |June 11, 2024
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    Summary

    A novel liquid lens telescope offers continuous optical zoom from 1x to 4x. This adaptable, portable system eliminates refocusing, enhancing real-time applications in astronomy and rescue.

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    Area of Science:

    • Optics and Photonics
    • Instrumentation

    Background:

    • Traditional telescopes use mechanical lens movement for zoom, requiring refocusing and limiting adaptability.
    • Limitations include poor portability, lack of real-time capability, and reduced performance after magnification changes.

    Purpose of the Study:

    • To propose a continuous optical zoom telescopic system utilizing liquid lenses.
    • To overcome the limitations of traditional mechanical zoom telescopes.

    Main Methods:

    • A zoom telescopic system was designed using six liquid lenses.
    • External voltages were adjusted to control liquid lens properties for continuous zoom.
    • Optical performance was simulated and experimentally verified.

    Main Results:

    • Achieved continuous optical zoom from approximately 1.0× to 4.0×.
    • Operated with an angular resolution ranging from 28.648" to 19.098".
    • Demonstrated a rapid magnification switching time of approximately 50ms.

    Conclusions:

    • The proposed liquid lens telescope offers fast response, portability, and high adaptability.
    • The system is suitable for applications in astronomical observation and emergency rescue.