Ultra-high-refractive index nanocomposites for extended reality

Grace McClintock; Nicole Joud Tadros; Reza Amirmoshiri; Peter Guschl; Serpil Gonen Williams

doi:10.1117/12.2615034

7 March 2022 Ultra-high-refractive index nanocomposites for extended reality

Grace McClintock, Nicole Joud Tadros, Reza Amirmoshiri, Peter Guschl, Serpil Gonen Williams

Proceedings Volume 11931, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) III; 119310O (2022) https://doi.org/10.1117/12.2615034
Event: SPIE AR VR MR, 2022, San Francisco, California, United States

Conference Poster

Abstract

In ever-evolving XR device designs, constant improvements are being made to the performance of the various optical and sensing components. One of the key materials to enable these improvements are ultra-high refractive index resins that not only provide a boost in efficiency in the visual light spectrum (400 – 700 nm), but also near-infrared (NIR) wavelengths (800 – 1550 nm). Today, using Pixelligent’s PixNIL™ Titanium Dioxide (TiO2) nanocrystal formulations in acrylate-based resins systems, one can create optical architectures and planarized films with refractive index values of 1.95 to 2.00 at 550 nm. These formulations reach such high RI values with the proper tuning of material components and process conditions at specific film thicknesses. Films can be deposited by way of spin-coating and inkjet printing, and, depending on the type of formulation, are imprintable to yield specific structures for various diffractive optical elements such as waveguides. In addition, these films maintain very high transparency in the visible light spectrum and demonstrate very low haze and low absorbance.

Conference Presentation

Citation Download Citation

Grace McClintock, Nicole Joud Tadros, Reza Amirmoshiri, Peter Guschl, and Serpil Gonen Williams "Ultra-high-refractive index nanocomposites for extended reality", Proc. SPIE 11931, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) III, 119310O (7 March 2022); https://doi.org/10.1117/12.2615034

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