Metasurface micro/nano-optical sensors: principles and applications

J Qin, S Jiang, Z Wang, X Cheng, B Li, Y Shi, DP Tsai… - ACS …, 2022 - ACS Publications
Metasurfaces are 2D artificial materials consisting of arrays of metamolecules, which are
exquisitely designed to manipulate light in terms of amplitude, phase, and polarization state …

Optical superoscillation technologies beyond the diffraction limit

NI Zheludev, G Yuan - Nature Reviews Physics, 2022 - nature.com
Optical superoscillations are rapid, subwavelength spatial variations of the intensity and
phase of light, occurring in complex electromagnetic fields formed by the interference of …

Superresolution imaging via superoscillation focusing of a radially polarized beam

Y Kozawa, D Matsunaga, S Sato - Optica, 2018 - opg.optica.org
The phenomenon of superoscillation produces oscillations that are faster than the fastest
Fourier component of a system, potentially forming a local “hot spot” with a size below the …

Roadmap on superoscillations

M Berry, N Zheludev, Y Aharonov, F Colombo… - Journal of …, 2019 - iopscience.iop.org
Superoscillations are band-limited functions with the counterintuitive property that they can
vary arbitrarily faster than their fastest Fourier component, over arbitrarily long intervals …

Superoscillation: from physics to optical applications

G Chen, ZQ Wen, CW Qiu - Light: Science & Applications, 2019 - nature.com
The resolution of conventional optical elements and systems has long been perceived to
satisfy the classic Rayleigh criterion. Paramount efforts have been made to develop different …

[PDF][PDF] A supercritical lens optical label‐free microscopy: sub‐diffraction resolution and ultra‐long working distance

F Qin, K Huang, J Wu, J Teng, CW Qiu… - Advanced Materials, 2017 - ece.nus.edu.sg
DOI: 10.1002/adma. 201602721 big challenge.[18] The far-field sub-wavelength focusing
has also been demonstrated by other nano-structured lenses, such as photon nanosieve …

Optical super-oscillations: sub-wavelength light focusing and super-resolution imaging

ETF Rogers, NI Zheludev - Journal of Optics, 2013 - iopscience.iop.org
Optical super-oscillations, first predicted in 1952 and observed in 2007, offer a promising
route to optical super-resolution imaging and show potential for manufacturing with light and …

Microsphere-coupled scanning laser confocal nanoscope for sub-diffraction-limited imaging at 25 nm lateral resolution in the visible spectrum

Y Yan, L Li, C Feng, W Guo, S Lee, M Hong - Acs Nano, 2014 - ACS Publications
We report a direct optical super-resolution imaging approach with 25 nm (∼ λ/17) lateral
resolution under 408 nm wavelength illumination by combining fused silica and polystyrene …

Planar diffractive lenses: fundamentals, functionalities, and applications

K Huang, F Qin, H Liu, H Ye, CW Qiu… - Advanced …, 2018 - Wiley Online Library
Traditional objective lenses in modern microscopy, based on the refraction of light, are
restricted by the Rayleigh diffraction limit. The existing methods to overcome this limit can be …

Achromatic super-oscillatory lenses with sub-wavelength focusing

GH Yuan, ETF Rogers, NI Zheludev - Light: Science & Applications, 2017 - nature.com
Lenses are crucial to light-enabled technologies. Conventional lenses have been perfected
to achieve near-diffraction-limited resolution and minimal chromatic aberrations. However …