Analysis of Slanted Gratings for Lightguide Coupling - Shanghai InfoCrops Science & Technology Co.,Ltd.

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Analysis of Slanted Gratings for Lightguide Coupling

Time: 2024-09-18 17:22Source: infocrops.comWriter: infocrops

Slanted gratings are commonly used for coupling light into optical lightguides due to their high efficiency in a certain diffraction order. Nowadays, they are often applied in augmented and mixed reality applications. We show how VirtualLab Fusion can be used to analyze certain slanted grating geometries from literature, with specific parameters like slant angle, fill factor, and modulation depth. In addition, the effect of different incidence angles on the diffraction efficiency is investigated.

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