Every generation of augmented reality (AR) glasses is made possible by advances in optics, materials science, and engineering. Long before new devices reach production, researchers are exploring innovative waveguide materials, display architectures, and manufacturing techniques that could shape the future of AR. Advancing Waveguide Materials for Better AR Glasses As the AR glasses industry continues to pursue more compact, lightweight, and practical display systems, waveguide materials must advance alongside these evolving designs to support the next phase of optical …