Catenary Optics

  title={Catenary Optics},
  author={Xiangang Luo},
  journal={Catenary Optics},
Catenary optics is a newly emerging branch in optics and nanophotonics, which focuses on the applications of catenary functions in optical and electromagnetic devices. In a more general sense, it may be called catenary electromagnetics to highlight the electromagnetic nature of light. This book is devoted to the physics and applications of catenary optics and catenary electromagnetics. Section 1.1 gives a brief description of the developing history of catenary optics. Section 1.2 describes… 

Catenary Functions Meet Electromagnetic Waves: Opportunities and Promises

Catenary functions play pivotal roles in describing the electromagnetic vectors, intensity distribution, and dispersion of structured light on the subwavelength scale. In this article, the history,

Metasurface waves in digital optics

Digital optics is a new discipline that aims to replace traditional curved and bulky optical elements with flat and thin ones that can be intelligently designed by a computer and be compatible with

Introduction to Engineering Optics 2.0

This chapter gives a detailed introduction of the background and progress of this new area of Engineering Optics 2.0, enabled by the rapid development of micro-/nanofabrication and characterization techniques, as well as the advancement of electronic computers and numerical simulation algorithms.

Sub-Diffraction-Limited Nanolithography

Sub-diffraction-limited nanolithography is one of the main applications in EO 2.0. In this chapter, we first give a brief introduction about the diffraction-limited lithography and the significance

Generation of A Space-Variant Vector Beam with Catenary-Shaped Polarization States

We demonstrate the generation of a space-variant vector beam with catenary-shaped polarization states based on the polarization interferometry. With a spatial light modulator and a common path

Broadband Spin-Dependent Directional Coupler via Single Optimized Metallic Catenary Antenna

A broadband polarization directional coupler based on a metallic catenary antenna integrated on a silicon-on-insulator (SOI) waveguide has been designed and demonstrated under the illumination of the circularly polarized light.

Recent advances of wide-angle metalenses: principle, design, and applications

Abstract Optical imaging systems, like microscopes, cameras, and telescopes, continue to expand the scope of human observation of the world. As one of the key indicators of imaging systems, the

Polarization-controlled unidirectional excitation of surface plasmon polaritons utilizing catenary apertures.

The designed SPP launcher exhibits a simulated extinction ratio reaching up to 495 at a wavelength of 618 nm and 283 in the experiment and may pave a new way for the directional excitation of SPPs and can be useful in compact plasmonic circuits and other photonic integrated devices.

Efficient planar plasmonic directional launching of linearly polarized light in a catenary metasurface.

The physical mechanism is analyzed and it is found that the asymmetric quadrupole mode is the key factor leading to the directional SPPs which is completely different from the geometric phase modulation mechanism to excite the directionalSPPs of circularly polarized light in the catenary metasurface.

Radiation Engineering and Optical Phased Array

Radiation is a very important energy conversion process in engineering optics. Effective thermal radiation management can not only improve the efficiency of thermophotovoltaics but also realize



Catenary optics for achromatic generation of perfect optical angular momentum

It is shown that the optical catenary can serve as a unique building block of metasurfaces to produce continuous and linear phase shift covering [0, 2π], a mission that is extremely difficult if not impossible for state-of-the-art technology.

Multiwavelength achromatic metasurfaces by dispersive phase compensation

It is shown that chromatic dispersion, or color dependence, can be compensated for by the judicious design of the surface, and an engineered wavelength-dependent phase shift imparted by a metasurface is demonstrated.

Breaking the diffraction limit in far field by planar metalens

Optical lens is of fundamental importance in both scientific researches and industrial communities, especially for the aspects of optical focusing and imaging. In traditional optics, the light

A broadband achromatic metalens for focusing and imaging in the visible

It is shown that by judicious design of nanofins on a surface, it is possible to simultaneously control the phase, group delay and group delay dispersion of light, thereby achieving a transmissive achromatic metalens with large bandwidth.

Ultrabroadband superoscillatory lens composed by plasmonic metasurfaces for subdiffraction light focusing

Conventional optics is diffraction limited due to the cutoff of spatial frequency components, and evanescent waves allow subdiffraction optics at the cost of complex near‐field manipulation.

Achromatic flat optical components via compensation between structure and material dispersions

This method is demonstrated by making use of silver nano-slits waveguides to supply structure dispersion of surface plasmon polaritons in metal-insulator-metal (MIM) waveguide to compensate the material Dispersion of metal.

Broadband Light Bending with Plasmonic Nanoantennas

Unparalleled wavefront control in a broadband optical wavelength range from 1.0 to 1.9 micrometers is experimentally demonstrated using an extremely thin plasmonic layer consisting of an optical nanoantenna array that provides subwavelength phase manipulation on light propagating across the interface.

Phase Manipulation of Electromagnetic Waves with Metasurfaces and Its Applications in Nanophotonics

Relative to conventional phase‐modulation optical elements, metasurfaces (i.e., 2D versions of metamaterials) have shown novel optical phenomena and promising functionalities with more compact

Composite functional metasurfaces for multispectral achromatic optics

Dense vertical stacking of independent metasurfaces is introduced, where each layer is made from a different material, and is optimally designed for a different spectral band, to alleviate the chromatic aberrations of individual diffractive elements.

Revisitation of Extraordinary Young’s Interference: from Catenary Optical Fields to Spin–Orbit Interaction in Metasurfaces

Extraordinary Young’s interference is an anomalous phenomenon observed at metallic surface in 2004. The shrinkage of slit size into deep subwavelength scale introduces many novel effects that cannot