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Electro-optic modulation of coherent and incoherent mid-IR radiation in two-dimensional arrays
Jared Sisler, Phillippe Pearson, Michael Kelzenberg +2
Light in the mid-infrared (mid-IR) spans wavelengths from 3-8 m and is important to many applications such as gas sensing and thermal imaging. Due to materials challenges, there…
On "Inconsistencies of metalens performance and comparison with conventional diffractive optics"
Amir Arbabi, Andrei Faraon
It was recently claimed1 that reported focusing efficiency values of high numerical aperture metalenses are inconsistent with a theoretical bound, and their measurement results are…
Multi-dimensional wavefront sensing using volumetric meta-optics
Conner Ballew, Gregory Roberts, Andrei Faraon
The ideal imaging system would efficiently capture information about all fundamental properties light: intensity, direction, wavelength, and polarization. Most common imaging syste…
3D-Patterned Inverse-Designed Mid-Infrared Metaoptics
Gregory Roberts, Conner Ballew, Tianzhe Zheng +4
Modern imaging systems can be enhanced in efficiency, compactness, and application through introduction of multilayer nanopatterned structures for manipulation of light based on it…
Multi-functional volumetric meta-optics for color and polarization image sensors
Philip Camayd-Muñoz, Conner Ballew, Gregory Roberts +1
Three-dimensional elements, with refractive index distribution structured at sub-wavelength scale, provide an expansive optical design space that can be harnessed for demonstrating…
Compact Folded Metasurface Spectrometer
MohammadSadegh Faraji-Dana, Ehsan Arbabi, Amir Arbabi +3
Recent advances in optical metasurfaces enable control of the wavefront, polarization and dispersion of optical waves beyond the capabilities of conventional diffractive optics. An…