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High efficiency double-wavelength dielectric metasurface lenses with dichroic birefringent meta-atoms

Arbabi, Ehsan and Arbabi, Amir and Kamali, Seyedeh Mahsa and Horie, Yu and Faraon, Andrei (2016) High efficiency double-wavelength dielectric metasurface lenses with dichroic birefringent meta-atoms. Optics Express, 24 (16). pp. 18468-18477. ISSN 1094-4087.

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Metasurfaces are ultrathin optical structures that manipulate optical wavefronts. Most metasurface devices which deflect light are designed for operation at a single wavelength, and their function changes as the wavelength is varied. Here we propose and demonstrate a double-wavelength metasurface based on polarization dependent dielectric meta-atoms that control the phases of two orthogonal polarizations independently. Using this platform, we design lenses that focus light at 915 and 780 nm with perpendicular linear polarizations to the same focal distance. Lenses with numerical apertures up to 0.7 and efficiencies from 65% to above 90% are demonstrated. In addition to the high efficiency and numerical aperture, an important feature of this technique is that the two operation wavelengths can be chosen to be arbitrarily close. These characteristics make these lenses especially attractive for fluorescence microscopy applications.

Item Type:Article
Related URLs:
URLURL TypeDescription
Arbabi, Ehsan0000-0002-5328-3863
Arbabi, Amir0000-0001-8831-7552
Kamali, Seyedeh Mahsa0000-0002-6968-811X
Horie, Yu0000-0001-7083-1270
Faraon, Andrei0000-0002-8141-391X
Additional Information:© 2016 Optical Society of America. Received 2 Jun 2016; revised 23 Jul 2016; accepted 25 Jul 2016; published 3 Aug 2016. This work was supported by Samsung Electronics. A.A. was also supported by National Science Foundation (NSF) award 1512266. S.M.K. was supported by the U.S. Department of Energy (DOE) “Light-Material Interactions in Energy Conversion” Energy Frontier Research Center under grant DE-SC0001293. The devices were fabricated at the Kavli Nanoscience Institute at Caltech.
Group:Kavli Nanoscience Institute
Funding AgencyGrant Number
Samsung ElectronicsUNSPECIFIED
Department of Energy (DOE)DE-SC0001293
Issue or Number:16
Classification Code:OCIS codes: (050.6624) Subwavelength structures; (050.1965) Diffractive lenses; (220.1000) Aberration compensation; (050.2555) Form birefringence
Record Number:CaltechAUTHORS:20161027-115048064
Persistent URL:
Official Citation:Ehsan Arbabi, Amir Arbabi, Seyedeh Mahsa Kamali, Yu Horie, and Andrei Faraon, "High efficiency double-wavelength dielectric metasurface lenses with dichroic birefringent meta-atoms," Opt. Express 24, 18468-18477 (2016)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71546
Deposited By: George Porter
Deposited On:27 Oct 2016 20:17
Last Modified:03 Oct 2019 16:08

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