With their recognized advantages such as system-level size, weight and power (SWaP) benefits, minimal monochromatic aberration, polarization discrimination capacity, and low-cost at scale, metasurfaces have emerged as a transformative optics technology. Here we present the applications of polarization-multiplexed, multifunctional metasurface optics for imaging and sensing. Specifically, depth resolved imaging using metalenses with custom-engineered point spread functions will be discussed.
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