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Title: Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces

Abstract

Physical geometry and optical properties of objects are correlated: cylinders focus light to a line, spheres to a point and arbitrarily shaped objects introduce optical aberrations. Multifunctional components with decoupled geometrical form and optical function are needed when specific optical functionalities must be provided while the shapes are dictated by other considerations like ergonomics, aerodynamics or aesthetics. Here we demonstrate an approach for decoupling optical properties of objects from their physical shape using thin and flexible dielectric metasurfaces which conform to objects' surface and change their optical properties. The conformal metasurfaces are composed of silicon nano-posts embedded in a polymer substrate that locally modify near-infrared (λ = 915 nm) optical wavefronts. As proof of concept, we show that cylindrical lenses covered with metasurfaces can be transformed to function as aspherical lenses focusing light to a point. Lastly, the conformal metasurface concept is highly versatile for developing arbitrarily shaped multi-functional optical devices.

Authors:
 [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
Publication Date:
Research Org.:
California Inst. of Technology, Pasadena, CA (United States); Energy Frontier Research Centers (EFRC) (United States). Light-Material Interactions in Energy Conversion (LMI)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1270876
Grant/Contract Number:  
SC0001293
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; cloak; metamaterials; wavelengths; efficiency; elements; design; lenses; skin

Citation Formats

Kamali, Seyedeh Mahsa, Arbabi, Amir, Arbabi, Ehsan, Horie, Yu, and Faraon, Andrei. Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces. United States: N. p., 2016. Web. doi:10.1038/ncomms11618.
Kamali, Seyedeh Mahsa, Arbabi, Amir, Arbabi, Ehsan, Horie, Yu, & Faraon, Andrei. Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces. United States. doi:10.1038/ncomms11618.
Kamali, Seyedeh Mahsa, Arbabi, Amir, Arbabi, Ehsan, Horie, Yu, and Faraon, Andrei. Thu . "Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces". United States. doi:10.1038/ncomms11618. https://www.osti.gov/servlets/purl/1270876.
@article{osti_1270876,
title = {Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces},
author = {Kamali, Seyedeh Mahsa and Arbabi, Amir and Arbabi, Ehsan and Horie, Yu and Faraon, Andrei},
abstractNote = {Physical geometry and optical properties of objects are correlated: cylinders focus light to a line, spheres to a point and arbitrarily shaped objects introduce optical aberrations. Multifunctional components with decoupled geometrical form and optical function are needed when specific optical functionalities must be provided while the shapes are dictated by other considerations like ergonomics, aerodynamics or aesthetics. Here we demonstrate an approach for decoupling optical properties of objects from their physical shape using thin and flexible dielectric metasurfaces which conform to objects' surface and change their optical properties. The conformal metasurfaces are composed of silicon nano-posts embedded in a polymer substrate that locally modify near-infrared (λ = 915 nm) optical wavefronts. As proof of concept, we show that cylindrical lenses covered with metasurfaces can be transformed to function as aspherical lenses focusing light to a point. Lastly, the conformal metasurface concept is highly versatile for developing arbitrarily shaped multi-functional optical devices.},
doi = {10.1038/ncomms11618},
journal = {Nature Communications},
number = ,
volume = 7,
place = {United States},
year = {2016},
month = {5}
}

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Cited by: 22 works
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    Works referencing / citing this record:

    Computational complex optical field imaging using a designed metasurface diffuser
    journal, January 2018


    Computational complex optical field imaging using a designed metasurface diffuser
    journal, January 2018