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
Researchers have developed an ultra-thin optical film that improves the quality of the light used in LCD resin-based 3D printers. The advance helps ensure that tiny details are reproduced with precision, which could make it possible to 3D-print medical-grade or industrial-grade products at a lower cost.
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