Search Results - "Arbabi, Ehsan"
-
1
A review of dielectric optical metasurfaces for wavefront control
Published in Nanophotonics (Berlin, Germany) (27-06-2018)“…During the past few years, metasurfaces have been used to demonstrate optical elements and systems with capabilities that surpass those of conventional…”
Get full text
Journal Article -
2
Miniature optical planar camera based on a wide-angle metasurface doublet corrected for monochromatic aberrations
Published in Nature communications (28-11-2016)“…Optical metasurfaces are two-dimensional arrays of nano-scatterers that modify optical wavefronts at subwavelength spatial resolution. They are poised to…”
Get full text
Journal Article -
3
Single-shot quantitative phase gradient microscopy using a system of multifunctional metasurfaces
Published in Nature photonics (01-02-2020)“…Quantitative phase imaging (QPI) of transparent samples plays an essential role in multiple biomedical applications, and miniaturizing these systems will…”
Get full text
Journal Article -
4
MEMS-tunable dielectric metasurface lens
Published in Nature communications (23-02-2018)“…Varifocal lenses, conventionally implemented by changing the axial distance between multiple optical elements, have a wide range of applications in imaging and…”
Get full text
Journal Article -
5
Highly tunable elastic dielectric metasurface lenses
Published in Laser & photonics reviews (01-11-2016)“…Dielectric metasurfaces are two‐dimensional structures composed of nano‐scatterers that manipulate the phase and polarization of optical waves with…”
Get full text
Journal Article -
6
Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces
Published in Nature communications (19-05-2016)“…Physical geometry and optical properties of objects are correlated: cylinders focus light to a line, spheres to a point and arbitrarily shaped objects…”
Get full text
Journal Article -
7
Compact folded metasurface spectrometer
Published in Nature communications (10-10-2018)“…An optical design space that can highly benefit from the recent developments in metasurfaces is the folded optics architecture where light is confined between…”
Get full text
Journal Article -
8
Angle-Multiplexed Metasurfaces: Encoding Independent Wavefronts in a Single Metasurface under Different Illumination Angles
Published in Physical review. X (06-12-2017)“…The angular response of thin diffractive optical elements is highly correlated. For example, the angles of incidence and diffraction of a grating are locked…”
Get full text
Journal Article -
9
Increasing efficiency of high numerical aperture metasurfaces using the grating averaging technique
Published in Scientific reports (28-04-2020)“…One of the important advantages of optical metasurfaces over conventional diffractive optical elements is their capability to efficiently deflect light by…”
Get full text
Journal Article -
10
Monolithically integrated self-rolled-up microtube-based vertical coupler for three-dimensional photonic integration
Published in Applied physics letters (20-07-2015)“…We demonstrate a self-rolled-up microtube-based vertical photonic coupler monolithically integrated on top of a ridge waveguide to achieve three-dimensional…”
Get full text
Journal Article -
11
Removing orientation-induced localization biases in single-molecule microscopy using a broadband metasurface mask
Published in Nature photonics (01-07-2016)“…A custom-designed metamaterial mask helps improve the accuracy of microscopy of single fluorescent molecules. Nanoscale localization of single molecules is a…”
Get full text
Journal Article -
12
Grating integrated single mode microring laser
Published in Optics express (23-02-2015)“…Microring and microdisk lasers are potential candidates for small footprint, low threshold in-plane integrated lasers; however, they exhibit multimode lasing…”
Get full text
Journal Article -
13
Hybrid whispering gallery mode/plasmonic chain ring resonators for biosensing
Published in Applied physics letters (08-12-2014)“…We analyze the physics of hybrid whispering gallery mode resonators formed by arranging a periodic array of epitopes (i.e., gold nano-shells covering silica…”
Get full text
Journal Article -
14
Sensitivity of hip tissues contact evaluation to the methods used for estimating the hip joint center of rotation
Published in Medical & biological engineering & computing (01-06-2012)“…Computer-based simulations of human hip joints generally include investigating contacts happening among soft or hard tissues during hip movement. In many…”
Get full text
Journal Article -
15
Full-Stokes Imaging Polarimetry Using Dielectric Metasurfaces
Published in ACS photonics (15-08-2018)“…Polarization is a degree of freedom of light carrying important information that is usually absent in intensity and spectral content. Imaging polarimetry is…”
Get full text
Journal Article -
16
Planar metasurface retroreflector
Published in Nature photonics (01-07-2017)“…Thin and lightweight retroreflectors of infrared light have been created from pairs of silicon metasurfaces. Metasurfaces are two-dimensional arrangements of…”
Get full text
Journal Article -
17
Vectorial Holograms with a Dielectric Metasurface: Ultimate Polarization Pattern Generation
Published in ACS photonics (20-11-2019)“…Controlling the polarization of light has been of interest for various applications in laser materials processing, display systems, and spectroscopy among…”
Get full text
Journal Article -
18
Multiwavelength metasurfaces through spatial multiplexing
Published in Scientific reports (06-09-2016)“…Metasurfaces are two-dimensional arrangements of optical scatterers rationally arranged to control optical wavefronts. Despite the significant advances made in…”
Get full text
Journal Article -
19
Multiwavelength polarization-insensitive lenses based on dielectric metasurfaces with meta-molecules
Published in Optica (20-06-2016)“…Metasurfaces are nanostructured devices composed of arrays of subwavelength scatterers (or meta-atoms) that manipulate the wavefront, polarization, or…”
Get full text
Journal Article -
20
Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces
Published in Optica (20-06-2017)“…Diffraction gratings disperse light in a rainbow of colors with the opposite order than refractive prisms, a phenomenon known as negative dispersion. While…”
Get full text
Journal Article