Results 1 to 10 of about 6,820 (116)
Plasmonics in the Ultraviolet with Aluminum, Gallium, Magnesium and Rhodium
Applied Sciences (Switzerland), 2018 Ultraviolet plasmonics (UV) has become an active topic of research due to the new challenges arising in fields such as biosensing, chemistry or spectroscopy. Recent studies have pointed out aluminum, gallium, magnesium and rhodium as promising candidates
Yael Gutierrez, D Ortiz, J M Saiz
exaly +3 more sources
Plasmon-exciton polaritonic emission lifetime dynamics under strong coupling. [PDF]
NanophotonicsIn this study, we investigate the contribution of resonant and non-resonant excitation conditions on the polariton decay dynamics of strongly coupled rhodamine 6G (R6G) and surface plasmon polariton (SPP).
Jurkšaitis P +7 more
europepmc +2 more sources
Effective plasmonic enhancement of up-conversion photoluminescence from α-NaGdF<sub>4</sub>:Yb<sup>3+</sup>,Er<sup>3+</sup> nanoparticles by gold dendrites. [PDF]
Sci RepThe current paradigm of plasmon-enhanced up-conversion photoluminescence (PE-UCPL) lays in intimate coupling domains of noble metal and lanthanide-doped nanoparticles.
Pham NBT +7 more
europepmc +2 more sources
Bound States in the Continuum Empower Subwavelength Gratings for Refractometers in Visible
Photonics, 2022 This paper describes a compact refractometer in visible with optical bounds states in the continuum (BICs) using silicon nitride (Si3N4) based sub-wavelength medium contrast gratings (MCGs).
Gunjan Yadav +3 more
doaj +1 more source
Electronically steered metasurface antenna
Scientific Reports, 2021 Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a waveguide-fed metasurface antenna architecture that enables electronic beamsteering from a ...
Michael Boyarsky +4 more
doaj +1 more source
Sensors, 2022 In this study, the sensitivity to the refractive index changes of the ambient was studied on the uniform gold film (~50 nm) with a 1D photonic crystal (PC) from periodic five TiO2 (~110 nm)/SiO2 (~200 nm) bilayers and gold nano-bumps array produced by ...
Justina Anulytė +4 more
doaj +1 more source
Detecting Motion in a Room Using a Dynamic Metasurface Antenna
IEEE Access, 2020 Sensing motion and distinguishing its source as human or nonhuman, with high precision, has tremendous applications in a variety of areas from health monitoring to energy efficiency.
Alexander X. Oesterling +4 more
doaj +1 more source
Efficient modeling techniques for plasmonic and photonic devices [PDF]
EPJ Web of Conferences, 2020 Plasmonics plays a vital role in realizing nanophotonic devices for integrated optics due to its strong light localization into subwavelength dimensions beyond the diffraction limit. Therefore, plasmonics has a wide range of applications such as sensing,
Abdrabou Amgad, Obayya S. S. A.
doaj +1 more source
Artificial Receptor‐Based Optical Sensors (AROS): Ultra‐Sensitive Detection of Urea
Advanced Photonics Research, 2021 The combined approach of optical fiber interferometry with molecular imprinting technology has shown a tremendous potential for developing a specific and sophisticated bio‐detection system with high degree of resolution and sensitivity.
Pintu Gorai, Rajan Jha
doaj +1 more source
Reflectarray Design Using a Discrete Dipole Framework
IEEE Open Journal of Antennas and Propagation, 2023 We propose and numerically validate a patch reflectarray modeling approach suitable for small patches that describes each patch as a pair of polarizable magnetic dipoles.
Aaron V. Diebold +3 more
doaj +1 more source