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Inverse design of optical elements based on arrays of dielectric spheres
Alan Zhan, Taylor K. Fryett, Shane Colburn +1
Arrays of wavelength scale scatterers are a promising platform for designing optical elements with a compact footprint. The large number of degrees of freedom in this system allows…
Varifocal zoom imaging with large area focal length adjustable metalenses
Shane Colburn, Alan Zhan, Arka Majumdar
Varifocal lenses are essential components of dynamic optical systems with applications in photography, mixed reality, and microscopy. Metasurface optics has strong potential for cr…
The role of refractive index in metalens performance
Elyas Bayati, Alan Zhan, Shane Colburn +1
Sub-wavelength diffractive optics, commonly known as metasurfaces, have recently garnered significant attention for their ability to create ultra-thin flat lenses with extremely sh…
Metasurface Optics for Full-color Computational Imaging
Shane Colburn, Alan Zhan, Arka Majumdar
Conventional imaging systems comprise large and expensive optical components which successively mitigate aberrations. Metasurface optics offers a route to miniaturize imaging syste…