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Polarization Volume Hologram (PVH) waveguide is an innovative liquid crystal‐based diffractive waveguide designed for augmented reality (AR) smart glasses, showcasing exceptional optical performance and simplified fabrication process. This presentation offers a comprehensive overview, including its working principles, advantages, performance optimization, process development, challenges and opportunities. The objective is to provide insights into PVH waveguide technology, from its inception to practical implementation.
Zhang et al. (Sat,) studied this question.