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16 March 2023 Phosio: high-index inorganic coatings for engineered optics
Thomas Morris, Cory K. Perkins, Douglas A. Keszler, Omid Sadeghi
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Proceedings Volume 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV; 1244908 (2023) https://doi.org/10.1117/12.2651490
Event: SPIE AR | VR | MR, 2023, San Francisco, California, United States
Abstract
Improving the efficiency and performance of Augmented Reality (AR) headsets is a key technical challenge for enhancing user experiences and catalyzing AR market growth. Current AR headsets are bulky and present a limited field of view (FOV), compromised image quality, and short battery life. In principle, high-refractive-index optical components could be integrated to create next-generation headsets with form factors that simultaneously deliver improved performance. Glass manufacturers have recently announced the availability of new, high-index substrates (n = 2.0+) to assist the technical development of these advanced devices. The materials required to manufacture high-index structures on these substrates, however, are not commercially available. Phosio Corporation has recently developed new solution-based, UV-curable inorganic coatings with customizable indexes (n = 1.6 – 2.35) and non-yellowing low absorbance across the visible spectrum. The formulations are compatible with incumbent imprinting tools, enabling waveguide fabrication on high-index glass. Consequently, Phosio’s technology provides a unique path to elevating FOV and image quality beyond current state-of-the-art AR headsets.
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Thomas Morris, Cory K. Perkins, Douglas A. Keszler, and Omid Sadeghi "Phosio: high-index inorganic coatings for engineered optics", Proc. SPIE 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV, 1244908 (16 March 2023); https://doi.org/10.1117/12.2651490
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KEYWORDS
Refractive index
Augmented reality
Waveguides
Optical coatings
Optical transmission
Nanoimprint lithography
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