Double-sided structure collimation film (IMAGE)

Optica

Double-sided structure collimation film

Caption

Researchers designed and fabricated a double-sided structure collimation film (DSSCF) with better collimation characteristics thanks to additional trapezoidal microstructures that prevent the large-angle leakage light seen with single-sided structure collimation film (SSSCF). The DSSCF also improves the light intensity uniformity when combined with a diffuser module.

Credit

Ding-Zheng Lin, National Taiwan University of Science and Technology

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