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Design method for lens desensitization adapted to refractive index error.

Siqi Wang, Qingyu Meng, Xiaodong Wang

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    This study introduces a method to reduce refractive index sensitivity in optical systems, improving manufacturing and stability. The approach enhances imaging quality despite manufacturing errors in glass materials.

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    Area of Science:

    • Optical Engineering
    • Materials Science

    Background:

    • Optical system design balances imaging performance with manufacturing feasibility.
    • Manufacturing errors and environmental deviations in glass materials degrade optical system imaging quality.
    • High sensitivity to glass material errors increases manufacturing difficulty and reduces system stability.

    Purpose of the Study:

    • To develop an evaluation function for refractive index error sensitivity in optical systems.
    • To propose a novel design method for reducing refractive index sensitivity.
    • To analyze the relationship between refractive index sensitivity, optical parameters, and glass materials.

    Main Methods:

    • Utilizing geometrical optics theory to establish an evaluation function for refractive index error sensitivity.
    • Analyzing the correlation between optical parameters, glass material properties, and sensitivity.
    • Developing and simulating a desensitization design method.

    Main Results:

    • An evaluation function for refractive index error sensitivity was successfully established.
    • The proposed design method demonstrated a reduction in refractive index sensitivity.
    • Simulation and example analysis confirmed the validity of the desensitization approach.

    Conclusions:

    • The developed method effectively reduces refractive index sensitivity in optical systems.
    • This desensitization design improves manufacturing feasibility and system stability.
    • The findings contribute to more robust and manufacturable optical system designs.