Results 11 to 20 of about 2,887,363 (295)

Highly efficient polarization converter with wide angular stability [PDF]

open access: yesScientific Reports
This paper presents a multi-band polarization converter using spoof surface plasmon polaritons (SSPP), addressing the growing demand for efficient polarization control in modern communication systems, radar, and sensing technologies.
Changiz Ghobadi   +2 more
doaj   +4 more sources

Single/Dual/Triple Broadband Metasurface Based Polarisation Converter with High Angular Stability for Terahertz Applications [PDF]

open access: yesMicromachines, 2022
This paper presents design and characterisation of a new compact metasurface based linear polarisation converter for terahertz applications. The metasurface unit cell with periodicity of 0.292λ0 consists of an asymmetrically oriented planar double ...
Shyam Sundar Pati, Swaroop Sahoo
doaj   +2 more sources

Miniaturised wideband metasurface polarisation converter with high angular stability [PDF]

open access: yesScientific Reports
This paper presents a single-layer miniaturised wideband transmissive linear-to-circular (LTC) polarisation converter. The unit cell employs symmetrically arranged meandered metallic strips with engineered gaps that govern its resonance behavior.
Cho Hilary Scott Nkimbeng   +6 more
doaj   +2 more sources

Large-uncertainty intelligent states for angular momentum and angle [PDF]

open access: yes, 2005
The equality in the uncertainty principle for linear momentum and position is obtained for states which also minimize the uncertainty product. However, in the uncertainty relation for angular momentum and angular position both sides of the inequality are
Stephen M Barnett   +8 more
core   +5 more sources

Engineering of intelligent reflecting surfaces: Reflection locality and angular stability [PDF]

open access: yes, 2023
Reconfigurable intelligent surfaces (RISs) are electromagnetically passive controllable structures, deflecting the incident wave beam in directions predefined by the control signal.
Lerosey, Geoffroy   +4 more
core   +3 more sources

Location of generating units most affecting the angular stability of the power system based on the analysis of instantaneous power waveforms [PDF]

open access: yesArchives of Control Sciences, 2020
In the paper, the results of investigations on the location of generating units most affecting the angular stability of a large power system (PS) are presented.
Piotr, Pruski, Stefan, Paszek
doaj   +1 more source

Rotation of electromagnetic fields and the nature of optical angular momentum [PDF]

open access: yes, 2010
The association of spin and orbital angular momenta of light with its polarization and helical phase fronts is now well established. The problems in linking this with electromagnetic theory, as expressed in Maxwell's equations, are rather less well known.
Stephen M. Barnetta B   +2 more
core   +3 more sources

Dual-Band Wide-Angle Reflective Circular Polarization Converter with Orthogonal Polarization Modes

open access: yesSensors, 2022
Herein a dual-band wide-angle reflective circular polarization converter, based on a metasurface was developed. The unit cell is composed of a split square ring and a nested square patch.
Bianmei Zhang   +5 more
doaj   +1 more source

Multi-criteria optimization of the parameters of PSS3B system stabilizers operating in an extended power system with the use of a genetic algorithm [PDF]

open access: yesArchives of Control Sciences, 2022
In the paper, the application of multi-criteria optimization of the parameters of PSS3B system stabilizers to damping electromechanical swings in an extended power system (PS) is presented. The calculations of the power system stabilizer (PSS) parameters
Adrian Nocoń   +2 more
doaj   +1 more source

Curvature-stabilized skyrmions with angular momentum [PDF]

open access: yesLetters in Mathematical Physics, 2019
We examine skyrmionic field configurations on a spherical ferromagnet with large normal anisotropy. Exploiting variational concepts of angular momentum we find a new family of localized solutions to the Landau-Lifshitz equation that are topologically distinct from the ground state and not equivariant.
Melcher, Christof, Sakellaris, Zisis N.
openaire   +3 more sources

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