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MEMS-tunable dielectric metasurface lens
Ehsan Arbabi, Amir Arbabi, Seyedeh Mahsa Kamali +3
Varifocal lenses, conventionally implemented by changing the axial distance between multiple optical elements, have a wide range of applications in imaging and optical beam scannin…
Angle-multiplexed metasurfaces: encoding independent wavefronts in a single metasurface under different illumination angles
Seyedeh Mahsa Kamali, Ehsan Arbabi, Amir Arbabi +3
The angular response of thin diffractive optical elements is highly correlated. For example, the angles of incidence and diffraction of a grating are locked through the grating mom…
Complex wavefront engineering with disorder-engineered metasurfaces
Mooseok Jang, Yu Horie, Atsushi Shibukawa +7
Recently, complex wavefront engineering with disordered media has demonstrated optical manipulation capabilities beyond those of conventional optics. These capabilities include ext…
Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces
Ehsan Arbabi, Amir Arbabi, Seyedeh Mahsa Kamali +2
Diffraction gratings disperse light in a rainbow of colors with the opposite order than refractive prisms, a phenomenon known as negative dispersion. While refractive dispersion ca…