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Proceedings Paper

Trajectory-selective dispersion engineering using cascaded metasurfaces (Conference Presentation)
Author(s): Andrew McClung; Mahdad Mansouree; Amir Arbabi

Paper Abstract

Standard designs for dielectric metasurfaces suffer from significant chromatic dispersion, impeding their use in broadband systems. We present a fundamental relation between ray trajectories in an optical system and its chromatic dispersion, and describe an associated design procedure to create cascaded optical systems with arbitrary dispersion. We use this procedure to design cascaded metasurface systems with various dispersive characteristics, including an achromatic metalens exploiting the orbital angular momentum of light. As experimental validation, we demonstrate beam deflectors exhibiting several different chromatic dispersions.

Paper Details

Date Published: 10 March 2020
Proc. SPIE 11290, High Contrast Metastructures IX, 1129003 (10 March 2020); doi: 10.1117/12.2545052
Show Author Affiliations
Andrew McClung, Univ. of Massachusetts Amherst (United States)
Mahdad Mansouree, Univ. of Massachusetts Amherst (United States)
Amir Arbabi, Univ. of Massachusetts Amherst (United States)

Published in SPIE Proceedings Vol. 11290:
High Contrast Metastructures IX
Connie J. Chang-Hasnain; Andrei Faraon; Weimin Zhou, Editor(s)

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