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    Area of Science:

    • Photonics and Materials Science
    • Laser Material Processing
    • Renewable Energy Technologies

    Background:

    • Ultrashort pulse laser systems offer high precision and productivity in material processing.
    • Industrial adoption of laser processes necessitates increased processing speed for cost-effectiveness.
    • Reducing optical losses in solar modules is crucial for enhancing energy conversion efficiency.

    Purpose of the Study:

    • To improve the speed of laser-based fabrication processes through parallelization.
    • To develop methods for creating light-deflecting volume optics within solar module encapsulants.
    • To investigate the impact of fabricated optical elements on solar cell performance.

    Main Methods:

    • Utilized a spatial light modulator-based parallel laser microfabrication technique.
    • Fabricated diffractive optical elements directly within the encapsulant material of solar modules.
    • Employed ultrashort pulse laser systems for high-resolution material modification.

    Main Results:

    • Successfully demonstrated parallel laser processing for fabricating volume optics at enhanced speeds.
    • The fabricated diffractive optical elements effectively deflected light away from front-side electrodes.
    • Significant reduction in optical losses associated with front-side electrodes was achieved.

    Conclusions:

    • Parallelization of ultrashort pulse laser processes is a viable strategy for increasing manufacturing speed.
    • In-situ fabrication of volume optics within solar modules can mitigate optical losses.
    • This approach holds potential for advancing solar energy technologies and industrial photonics manufacturing.