Trajectory-selective dispersion engineering using cascaded metasurfaces (Conference Presentation)

Andrew McClung; Mahdad Mansouree; Amir Arbabi

doi:10.1117/12.2545052

10 March 2020 Trajectory-selective dispersion engineering using cascaded metasurfaces (Conference Presentation)

Andrew McClung, Mahdad Mansouree, Amir Arbabi

Proceedings Volume 11290, High Contrast Metastructures IX; 1129003 (2020) https://doi.org/10.1117/12.2545052
Event: SPIE OPTO, 2020, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Andrew McClung, Mahdad Mansouree, and Amir Arbabi "Trajectory-selective dispersion engineering using cascaded metasurfaces (Conference Presentation)", Proc. SPIE 11290, High Contrast Metastructures IX, 1129003 (10 March 2020); https://doi.org/10.1117/12.2545052

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