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Conferences > FiO > 2016 > FTh5B > FTh5B.6

Generation of wavelength-independent and sub-wavelength Bessel beams by meta-axicons

Wei Ting Chen, Mohammadreza Khorasaninejad, Alexander Y. Zhu, Jaewon Oh, Robert Devlin, Aun Zaidi, and Federico Capasso

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Abstract

We report meta-axicons with high numerical aperture for generating Bessel beams with λ/3 spot size. The spot size of the generated Bessel beams is independent of wavelength of incident light because of tailored phase profile.

© 2016 Optical Society of America

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