Wednesday, May 2025

10:00 AM - 10:20 AM

Room: 220C

Session: AR Waveguide I

Advancements in Polarization Volume Gratings for Waveguide Display Technology

• Yishi Weng

  Southeast University

Description:

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.