Design Considerations for Enhanced Coupling Coefficient and Misalignment tolerance Using Asymmetrical Circular Coils for WPT System
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-018-3219-x
Abstract: In case of misalignment, variation in the coupling coefficient between transmitting and receiving coils employed for wireless power transfer is obvious. During the design process of coil system, assurance of least affected coupling coefficient during… read more here.
Keywords: system; coefficient misalignment; misalignment; coupling coefficient ... See more keywords
New method for calculating the coupling coefficient in graded index optical fibers
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.11.026
Abstract: Abstract A simple method is proposed for determining the mode coupling coefficient D in graded index multimode optical fibers. It only requires observation of the output modal power distribution P(m, z) for one fiber length… read more here.
Keywords: coupling coefficient; index; method; graded index ... See more keywords
Investigation of modified Lamé mode resonator with high coupling coefficient
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/1.5142758
Abstract: This paper presents a modified Lame-mode resonator (MLMR) with a high, effective electromechanical coupling coefficient ( K e f f 2 ). With trapezoidal grooves introduced by etching the superficial piezoelectric material between interdigitated electrodes… read more here.
Keywords: coupling coefficient; mode; modified lam; investigation modified ... See more keywords
Coupling coefficient reconfigurable quadrature coupler based on mechanical switches
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2017.1355267
Abstract: Abstract The conventional reconfigurable quadrature coupler configuration usually requires an external supply voltage which reduces its robustness. A new quadrature coupler with reconfigurable coupling coefficient is implemented using a mechanical control approach to simultaneously satisfy… read more here.
Keywords: coupling coefficient; mechanical switches; coupler; quadrature coupler ... See more keywords
First-Order Grating Coupling Coefficients in Asymmetric Three-Layer Waveguides for Transverse Electric Modes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2017.2661842
Abstract: An equivalent surface current method is used to derive an analytic expression that approximates the coupling coefficient, reflectivity bandwidth, and group velocity for coupling between identical and nonidentical TE modes in an asymmetric three-layer waveguide… read more here.
Keywords: coupling coefficient; three layer; asymmetric three; expression ... See more keywords
Carrier Depletion Silicon Ring Modulator Power Penalty Versus Power Coupling Coefficient
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2834627
Abstract: Carrier depletion ring modulators offer low power, low footprint, and high modulation speed in the perspective of future silicon photonic interconnects. However, the optical power penalty, which stands for the impact of this device on… read more here.
Keywords: coupling coefficient; power penalty; carrier depletion; power ... See more keywords
A Coupler With Simultaneously Tunable Phase, Frequency and Coupling Coefficient
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3198637
Abstract: A novel coupled-line coupler with tunable frequency, coupling coefficient and phase difference is proposed with a reduced number of varactor diodes. The proposed coupler consists of two weakly coupled lines cascaded using varactors and two… read more here.
Keywords: coupler; frequency coupling; frequency; coupling coefficient ... See more keywords
Analysis and Design of an S/SP Compensated IPT System to Minimize Output Voltage Fluctuation Versus Coupling Coefficient and Load Variation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2018.2855682
Abstract: The capability of misalignment tolerance is vital for inductive power transfer (IPT) systems. S/SP compensation topology can provide a strong capability of misalignment tolerance if it is properly designed. This paper presents a detailed deduction… read more here.
Keywords: coupling coefficient; voltage fluctuation; output voltage;
Kerr soliton frequency comb generation by tuning the coupling coefficient in coupled nonlinear microcavities.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.482228
Abstract: Kerr soliton frequency comb generation in nonlinear microcavities with compact configurations are promising on-chip sources. Current Kerr comb generation by using a single microcavity with a tunable CW pump laser or high-power femtosecond pulse pump… read more here.
Keywords: comb generation; comb; generation; coupling coefficient ... See more keywords
Streaming Potential Coupling Coefficient and Transport Properties of Unsaturated Carbonate Rocks
Sign Up to like & getrecommendations! Published in 2018 at "Vadose Zone Journal"
DOI: 10.2136/vzj2018.02.0030
Abstract: We measured the streaming potential coupling coefficient of natural saturated and unsaturated carbonate rocks. Saturation was achieved with NaCl brines with salinities ranging from 2 ´ 10−3 to 2.0 mol L−1. The magnitude of the… read more here.
Keywords: coupling coefficient; streaming potential; unsaturated carbonate; potential coupling ... See more keywords
Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System
Sign Up to like & getrecommendations! Published in 2020 at "Energies"
DOI: 10.3390/en13164143
Abstract: Although the wireless power transfer (WPT) system for electric vehicles (EVs) provides numerous advantages, there is still a low coupling coefficient and the misalignment between the primary coil and the secondary coil needs to be… read more here.
Keywords: coupling coefficient; system; wireless power; coefficient ... See more keywords