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Title: MEMS-tunable dielectric metasurface lens

Journal Article · · Nature Communications

Varifocal lenses, conventionally implemented by changing the axial distance between multiple optical elements, have a wide range of applications in imaging and optical beam scanning. The use of conventional bulky refractive elements makes these varifocal lenses large, slow, and limits their tunability. Metasurfaces, a new category of lithographically defined diffractive devices, enable thin and lightweight optical elements with precisely engineered phase profiles. Here we demonstrate tunable metasurface doublets, based on microelectromechanical systems (MEMS), with more than 60 diopters (about 4%) change in the optical power upon a 1-μm movement of one metasurface, and a scanning frequency that can potentially reach a few kHz. They can also be integrated with a third metasurface to make compact microscopes (~1 mm thick) with a large corrected field of view (~500 μm or 40 degrees) and fast axial scanning for 3D imaging. This paves the way towards MEMS-integrated metasurfaces as a platform for tunable and reconfigurable optics.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Light-Material Interactions in Energy Conversion (LMI); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001293
OSTI ID:
1470397
Journal Information:
Nature Communications, Vol. 9, Issue 1; Related Information: LMI partners with California Institute of Technology (lead); Harvard University; University of Illinois, Urbana-Champaign; Lawrence Berkeley National Laboratory; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 385 works
Citation information provided by
Web of Science

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Cited By (81)

Optical Metasurfaces: Evolving from Passive to Adaptive journal April 2019
Recent advances in metasurface hologram technologies (Invited paper) journal February 2019
Demonstration of focal length tuning by rotational varifocal moiré metalens in an ir-A wavelength journal November 2020
Wide-band Beam-scanning by Surface Wave Confinement on Leaky Wave Holograms journal September 2019
Extreme ultraviolet plasmonics and Cherenkov radiation in silicon journal January 2018
Spatiotemporal light control with active metasurfaces journal May 2019
Varifocal zoom imaging with large area focal length adjustable metalenses journal January 2018
Tunable metasurfaces for visible and SWIR applications journal January 2020
Metasurface-generated complex 3-dimensional optical fields for interference lithography journal October 2019
Metalenses: Advances and Applications journal July 2018
Metasurface-enhanced optical lever sensitivity for atomic force microscopy journal June 2019
High-Efficiency Metasurfaces with 2π Phase Control Based on Aperiodic Dielectric Nanoarrays journal January 2020
Low dissipation spectral filtering using a field-effect tunable III–V hybrid metasurface journal August 2018
A Zero‐Rank, Maximum Nullity Perfect Electromagnetic Wave Absorber journal January 2019
A broadband achromatic polarization-insensitive metalens consisting of anisotropic nanostructures journal January 2019
Graphene aperture-based metalens for dynamic focusing of terahertz waves journal January 2018
Invited Article: Nano-kirigami metasurfaces by focused-ion-beam induced close-loop transformation journal October 2018
Smart Table Based on a Metasurface for Wireless Power Transfer journal May 2019
Multiphysics simulations of adaptive metasurfaces at the meta-atom length scale journal February 2020
Electrically Programmable Terahertz Diatomic Metamolecules for Chiral Optical Control journal February 2019
Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces journal August 2019
Electrically Programmable Terahertz Diatomic Metamolecules for Chiral Optical Control journal February 2019
Efficient visible light modulation based on electrically tunable all dielectric metasurfaces embedded in thin-layer nematic liquid crystals journal June 2019
Metasurfaces-based imaging and applications: from miniaturized optical components to functional imaging platforms journal January 2020
Reconfigurable all-dielectric metalens with diffraction-limited performance journal February 2021
Integrating microsystems with metamaterials towards metadevices journal January 2019
All-optical tuning of symmetry protected quasi bound states in the continuum journal September 2019
Control of LED Emission with Functional Dielectric Metasurfaces journal November 2019
Demonstration of color display metasurfaces via immersion lithography on a 12-inch silicon wafer journal January 2018
Controls of transmitted electromagnetic waves for diverse functionalities using polarization-selective dual-band 2 bit coding metasurface journal December 2019
Ultrathin Tunable Lens Based on Boundary Tension Effect journal September 2019
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Figures / Tables (5)