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Optics are everywhere, with display, imaging and communications technologies underpinning a broad range of AR / VR applications in medical, automotive, high tech and defense industries. The drive towards integration and miniaturization poses a challenge for optical elements, which can be met with emerging metalens and metasurface technology. By tailoring sub-wavelength structures on a flat surface, desired lens behavior can be implemented and unique functionality such as polarization selectivity can be enabled. The design of metalenses and metasurfaces also creates unique challenges for engineers, requiring advanced simulation tools: metalenses with billions of meta-atoms must be designed and optimized at the wavelength scale and incorporated into complex macro-scale optical systems where mechanical and thermal considerations compete with optical design requirements. Additionally, the fabrication of these lenses introduces a new paradigm, leveraging manufacturing technology commonly associated with semiconductor production. In this talk, we will explore the design and fabrication trends driving the creation of state-of-the-art metalenses and metasurfaces for AR / VR applications.
S. Gangadhara (Tue,) studied this question.