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Updated: Nov 12, 2025

Polymeric Microneedle Array Fabrication by Photolithography
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Image stitching using an electrowetting-based liquid prism with a fabrication method.

Junsik Lee, Jooho Lee, Yong Hyub Won

    Optics Express
    |March 17, 2021
    PubMed
    Summary
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    This study introduces an electrowetting liquid prism for image stitching, enabling panoramic image creation. Novel fabrication enhances prism performance for improved optical applications.

    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Image Processing

    Background:

    • Traditional image stitching methods can be complex and computationally intensive.
    • Electrowetting devices offer tunable optical properties for novel imaging applications.

    Purpose of the Study:

    • To develop a new image stitching method utilizing an electrowetting-based liquid prism.
    • To investigate and improve the performance of the electrowetting liquid prism for optical applications.

    Main Methods:

    • Fabrication of a novel electrowetting liquid prism with enhanced features (anti-oil isolation, specific materials, laser cutting).
    • Image acquisition by adjusting voltages on the liquid prism's sidewalls.
    • Application of an image stitching algorithm to create panoramic images.

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    Main Results:

    • The fabricated liquid prism achieved a maximum beam steering angle of ±10.5°, a response time of 19.1 ms, and a resolution of 14.25 lp/mm.
    • Demonstrated successful image stitching using two or three images.
    • Presented simulation results for the required number of images based on overlapping area.

    Conclusions:

    • The electrowetting liquid prism is a viable tool for image stitching and panoramic imaging.
    • The proposed fabrication method significantly improves liquid prism performance.
    • This technology has potential for advanced optical and imaging systems.