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Conferences > FiO > 2017 > JW3A > JW3A.80

Planar Optics with High Numerical Apertures at Visible Wavelengths

Wei Ting Chen, Alexander Y. Zhu, Mohammadreza Khorasaninejad, Zhujun Shi, and Federico Capasso

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Abstract

We report high numerical aperture planar optics with unique properties using metasurfaces. Meta-axicons and immersion meta-lenses with numerical apertures up to 1.1 are demonstrated; they can generate wavelength-independent Bessel beams and diffraction-limited focal spots, respectively.

© 2017 Optical Society of America

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