24‐4: <i>Invited Paper:</i> Advancements in Polarization Volume Gratings for Waveguide Display Technology

Polarization volume gratings (PVGs) have emerged as a promising technology due to their exceptional diffraction properties, showing significant potential in various optical applications, particularly in augmented reality (AR). This presentation offers a comprehensive review of PVG technology, including its physical principles, diffraction characteristics, and fabrication methods, drawing on the latest research advancements. Additionally, the current progress of PVG in DOW‐AR applications will be reviewed, focusing on color imaging, field‐of‐view extension, and pupil extension, demonstrating the feasibility and practicality of PVG technology for waveguide applications while providing insights for future research.