Abstract: We present an overview of diffractive optics technology and the advantages this technology offers when applied to head-mounted displays (HMD). We show especially the impact on weight reduction when diffractive elements are used to correct chromatic aberrations in full-color HMDs. We discuss the effect of higher diffractive orders on image quality and show how to model these effects. Finally, we present the results of a demonstration of a diffractive element in a conventional monochromatic HMD, compare the performance of the hybrid and conventional systems, and demonstrate the validity of our model. !4
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