AR, VR, and MR glasses are all head worn devices with an ambition of integrating sensors and cameras as well as highly functional displays. Size, weight and power are crucial parameters to consider for all features. In this paper we present an update on latest results and trends in refractive waveguides seen from a mastering perspective. In addition, several use cases of how metalenses are crucial to build efficient and ultra compact sensors and cameras.
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Theodor Nielsen (2024) studied this question.
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