Results 61 to 70 of about 14,944 (303)
rf distribution system for a set of standing-wave accelerator structures
Physical Review Special Topics. Accelerators and Beams, 2006 In this paper, we study the rf feeding system for a set of standing-wave accelerator structures. To avoid the initial reflections produced by the structures, sometimes these structures are fed in pairs through a four-port 3-dB hybrid.
Sami G. Tantawi
doaj +1 more source
Designing a Downsized Quadrature Directional Coupler
Telfor Journal, 2021 To miniaturize directional couplers, the replacement of their quarter-wave sections with electrodynamic structures with equivalent characteristics at smaller physical dimensions is used.
D. A. Letavin
doaj +1 more source
Alexandria Engineering Journal, 2021 This work is reported the analytical solutions for describing the nonlinear directional couplers with metamaterials by including spatial–temporal fractional beta derivative evolution.
M.F. Uddin +4 more
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Broadband Butler Matrices with the Use of High-Pass LC Sections as Left-Handed Transmission Lines [PDF]
, 2014 An application of left-handed transmission line sections in Butler matrices has been investigated. It has been shown, for the first time, that the utilization of both left-handed and right-handed transmission lines allows for broadband differential phase
Gruszczynski, S. +2 more
core +1 more source
Advanced Functional Materials, EarlyView.The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu +2 more
wiley +1 more source
Asymmetric Wavelength-Selective Directional Couplers as Fractional-Order Optical Differentiators
IEEE Access, 2019 In this paper, the asymmetric wavelength-selective directional coupler (DC) is designed as a fractional-order optical differentiator. It is shown that the order of the optical differentiator is determined by the coupling coefficient and the propagation ...
Ting-Ting Yan +2 more
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3D-printed Acoustic Directional Couplers [PDF]
, 2014 Acoustic Directional Couplers permit separation of forward and reverse sound pressure waves. This separation opens the way to traceable precision acoustic reflection measurements.
MacDonell, Marcus Scott Glengarry +1 more
core +1 more source
Compact silicon photonics circuit to extract multiple parameters for process control monitoring [PDF]
, 2020 We present a compact interferometer circuit to extract multiple model parameters of on-chip waveguides and directional couplers from optical measurements.
Bogaerts, Wim +5 more
core +2 more sources
Advanced Functional Materials, EarlyView.For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin +7 more
wiley +1 more source
Dual-Mode Silicon Ring Resonator Based on Subwavelength Grating Directional Couplers
IEEE Photonics Journal, 2022 We propose and experimentally demonstrate a dual-mode silicon ring resonator which could process TE0 and TE1 modes simultaneously. By introducing subwavelength grating into the coupling region, compact footprint of ∼90 μm × 20 ...
Mengyuan Ye +5 more
doaj +1 more source