Results 31 to 40 of about 28,040 (170)
Compact
IEEE AccessThis paper presents a compact Ku-band monopulse comparator with enhanced inter-port balance and isolation. The key component, a magic-T, was designed using an offset two-step rectangular prism and an iris to improve impedance matching and isolation while
Jongmin Lee +4 more
doaj +1 more source
Design and Implementation of a Ku Band Waveguide Energy-Selective Device
PhotonicsThis paper presents a waveguide energy-selective device operating in the Ku band. By utilizing the nonlinear characteristics of PIN diodes, the device can autonomously switch its operating state according to the power level of incident signals inside the
Tongxin Liu +3 more
doaj +1 more source
Design and implementation of microwave attenuation measurements to estimate the dry rubber content of natural rubber latex [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2015 An accurate, quick and practical method for measuring the dry rubber content (DRC) in natural rubber latex is proposed and investigated experimentally, based on microwaves.
Pattara Aiyarak, Piti Sunheem
doaj
Waveguide-Mode Sensors as Aptasensors
Sensors, 2012 Aptamers are artificial nucleic acid ligands that can be generated by in vitro selection through partition and amplification. Aptamers can be generated against a wide range of biomolecules through the formation of versatile stem-loop structures.
Makoto Fujimaki +2 more
doaj +1 more source
Effective thickness of gallium arsenide on the transverse electric and transverse magnetic modes
Curved and Layered StructuresThe aim of this work is to investigate gallium arsenide, a particular kind of semiconductor. The study employs a three-layer asymmetric slab waveguide structure, where a thin gallium arsenide (GaAs) film is deposited on a glass substrate, and above the ...
Alwan Saib Thiab +2 more
doaj +1 more source
Mach-Zehnder Interferometer Refractive Index Sensor Based on a Plasmonic Channel Waveguide
Sensors, 2017 A Mach-Zehnder interferometer based on a plasmonic channel waveguide is proposed for refractive index sensing. The structure, with a small physical footprint of 20 × 120 μm2, achieved a high figure of merit of 294.
Da Eun Lee +3 more
doaj +1 more source
Nanophotonics-inspired all-silicon waveguide platforms for terahertz integrated systems
Nanophotonics, 2022 Recent advances in silicon (Si) microphotonics have enabled novel devices for the terahertz (THz) range based on dielectric waveguides. In the past couple of years, dielectric waveguides have become commonplace for THz systems to mitigate issues in ...
Koala Ratmalgre A. S. D. +2 more
doaj +1 more source
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2019 Fundamentally new design of ultrasonic waveguide-catheter system to eliminate the obstruction of blood vessels was developed. The effect thrombus/plaques destruction is carried out by using a cavitation jet of liquid formed by supplying through internal ...
V. T. Minchenya +2 more
doaj
Silicon Meets Graphene for a New Family of Near-Infrared Schottky Photodetectors
Applied Sciences, 2019 In recent years, graphene has attracted much interest due to its unique properties of flexibility, strong light-matter interaction, high carrier mobility and broadband absorption.
Maurizio Casalino
doaj +1 more source
Sensing of the acoustic signal by waveguides
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2008 The work is focused on the possibilities of accoustic emission (AE) signal sensing from surfaces inaccessible for commonly used sensors. The aim of the work is to verify the possibility of assembly of several measuring devices for maximalization of the ...
Michal Černý +2 more
doaj +1 more source