Revolutionizing next-generation VR and MR displays with a novel pancake optics system

https://phys.org/news/2024-02-revolutionizing-generation-vr-displays-pancake.html

"AR coated lossless nonreciprocal Faraday polarization rotator between reflective polarizers helping fold optical paths... optical efficiency 93.2%... enhanced contrast ratio... multi-layer structure broadens bandwidth enabling full color displays... lightweight, compact formfactor, low power consumption, long battery life... magnet-free and highly transparent, thin-film Faraday rotator possessing large Verdet constant in visible region... magneto-optic material, VR/MR headsets comfortable for extended use"