Precision measurement of relative permittivity of aluminum oxide for a high power resonant waveguide window with low return loss
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.05.045
Abstract: Abstract An iterative method of estimating permittivity and window thickness with high precision is developed for half wavelength resonant waveguide windows for use in a lower hybrid launcher for DIII-D. The high Q factor of… read more here.
Keywords: resonant waveguide; window; return loss; measurement ... See more keywords
Simple technique for assessing soundness of MT connector using multi-wavelength OTDR
Sign Up to like & getrecommendations! Published in 2021 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2021.102490
Abstract: Abstract We propose a technique for determining whether mechanically transferable (MT) connectors are flooded. The proposed technique is based on the return loss measurements at several wavelengths using an optical time domain reflectometer (OTDR). We… read more here.
Keywords: connector; simple technique; return loss; proposed technique ... See more keywords
Miniaturized dual-band filter with return loss bandwidth and transmission zero control
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078717000071
Abstract: In this paper, a compact dual-band bandpass filter (DB-BPF) using new dual-mode resonator-loaded resonators (DM-RLRs) is presented and investigated to simultaneously achieve controllable return loss (RL), bandwidth (BW) and transmission zeros (TZs), and the simple… read more here.
Keywords: bandwidth transmission; dual band; control; return loss ... See more keywords
Zinc Aluminate-Based Composite Nanoparticles for Microwave Applications
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c01671
Abstract: This paper reports the sol–gel preparation of ZnAl2O4 (ZA) and ZnAl2O4–TiO2 (ZAT) dielectric ceramic nanoparticles for fabricating prototype microstrip patch antennas. The prepared nanoparticles were polycrystalline in nature with their crystallite sizes of 9.4 and… read more here.
Keywords: return loss; based composite; antenna; loss ... See more keywords
Improving the Sidelobe Level, Return Loss and Bandwidth of Notch-Loaded TM30 Mode Patch via Fractal-Slot
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3152565
Abstract: This paper presents a method for sidelobe level (SLL) reduction, return loss improvement, and bandwidth enhancement in notch-loaded TM30 mode rectangular patch antennas. In this method, a fractal-slot is introduced in the center of notch-loaded… read more here.
Keywords: notch loaded; notch; return loss; fractal slot ... See more keywords
A MIMO H-shape Dielectric Resonator Antenna for 4G Applications
Sign Up to like & getrecommendations! Published in 2018 at "Indonesian Journal of Electrical Engineering and Computer Science"
DOI: 10.11591/ijeecs.v10.i2.pp648-653
Abstract: In this article, a Multiple-Input-Multiple-Output (MIMO) H-shape Dielectric Resonator Antenna (DRA) is designed and simulated at 2.6 GHz for 4G applications. The proposed structure consists of H-shape DRA ( =10) which is mounted on FR4… read more here.
Keywords: shape dielectric; shape; dielectric resonator; mimo shape ... See more keywords
Controlling optical return loss in production silicon photonic metamaterial fiber couplers.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.413945
Abstract: A cost-efficient and low-complexity optical input/output (I/O) packaging solution is a substantial challenge for volume production of photonic integrated circuits. To address this, metamaterial fiber couplers are an attractive solution for integrated photonic devices especially… read more here.
Keywords: production; return loss; fiber couplers; metamaterial fiber ... See more keywords
A High Return Loss of Microwave Bandpass Filter Using Superconducting Electrospun YBCO Nanostructures
Sign Up to like & getrecommendations! Published in 2018 at "Progress in Electromagnetics Research C"
DOI: 10.2528/pierc17102601
Abstract: A high return loss (-30 dB), small size (100 mm2) and broad bandwidth (1.5 GHz) microwave bandpass filter has been designed using finite element modelling and developed using the superconducting YBa2Cu3O7-δ (YBCO) thin films deposited… read more here.
Keywords: high return; microwave bandpass; return loss; filter ... See more keywords
Design and Implementation of Broadband Hybrid 3-dB Couplers with Silicon-Based IPD Technology
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14050932
Abstract: Heterogeneous integration (HI) is a rapidly developing field aimed at achieving high-density integration and miniaturization of devices for complex practical radio frequency (RF) applications. In this study, we present the design and implementation of two… read more here.
Keywords: return loss; ipd technology; isolation return; design implementation ... See more keywords