Conferences related to Junctions

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2021 IEEE Photovoltaic Specialists Conference (PVSC)

Photovoltaic materials, devices, systems and related science and technology


2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)

Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies


2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE 21st International Conference on Vacuum Electronics (IVEC)

Technical presentations will range from the fundamental physics of electron emission and modulated electron beams to the design and operation of devices at UHF to THz frequencies, theory and computational tool development, active and passive components, systems, and supporting technologies.System developers will find that IVEC provides a unique snapshot of the current state-of-the-art in vacuum electron devices. These devices continue to provide unmatched power and performance for advanced electromagnetic systems, particularly in the challenging frequency regimes of millimeter-wave and THz electronics.Plenary talks will provide insights into the history, the broad spectrum of fundamental physics, the scientific issues, and the technological applications driving the current directions in vacuum electronics research.


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


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Periodicals related to Junctions

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Circuits and Systems II: Express Briefs, IEEE Transactions on

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.


Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on

Methods, algorithms, and human-machine interfaces for physical and logical design, including: planning, synthesis, partitioning, modeling, simulation, layout, verification, testing, and documentation of integrated-circuit and systems designs of all complexities. Practical applications of aids resulting in producible analog, digital, optical, or microwave integrated circuits are emphasized.


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Most published Xplore authors for Junctions

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Xplore Articles related to Junctions

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High Power Phase Shifter

Proceedings of the 2005 Particle Accelerator Conference, 2005

One of the approaches to power distribution system of a superconducting proton linac that is under discussion at Fermilab requires development of a fast- action, megawatt-range phase shifter. Using two phase shifters with a waveguide hybrid junction can allow independent control of phase and amplitude of RF power at the input of each superconducting cavity of the linac. This promises ...


A Latching Ferrite Junction Circulator for Phased Array Switching Applications

G-MTT Symposium Digest, 1965

This paper describes an X-band latching three-port junction circulator with switching time less than one microsecond, wide bandwidth, and small size. It is particularly well suited for use as the switching element in differential time delay networks and other switching networks required in phased array antennas.


A Property of Symmetric Hybrid Waveguide Junctions (Correspondence)

IRE Transactions on Microwave Theory and Techniques, 1960

It is well known that in symmetric hybrid junctions such as the short-slot, branched-guide, and transvar types, the signals in the main and auxiliary guides are in phase quadrature. Another property of fully symmetric lossless hybrids is that if all the arms are matched, the amplitudes of the waves traveling in the reverse direction in the main and auxiliary guides ...


1960 PGMTT National Symposium (Mar. 1960 [T-MTT])

IRE Transactions on Microwave Theory and Techniques, 1960

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Experimental results of SIS mixers with distributed junction arrays

IEEE Microwave and Guided Wave Letters, 1998

The heterodyne mixing performance of three respective distributed junction arrays, i.e., a number of superconductor-insulator-superconductor (SIS) junctions distributed along a thin-film transmission line involving two, five, and ten junctions are measured and compared to their Fourier transform spectroscopy (FTS) detection responses. It has been found that distributed junction arrays have a rather large bandwidth in comparison to conventional SIS junction ...


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Educational Resources on Junctions

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IEEE-USA E-Books

  • High Power Phase Shifter

    One of the approaches to power distribution system of a superconducting proton linac that is under discussion at Fermilab requires development of a fast- action, megawatt-range phase shifter. Using two phase shifters with a waveguide hybrid junction can allow independent control of phase and amplitude of RF power at the input of each superconducting cavity of the linac. This promises significant saving in number of klystrons and modulators required for the accelerator. A prototype of a waveguide version of a phase shifter that uses Yttrium-Iron Garnet (YIG) blocks was developed and tested. This report presents design concept of the device and main results of simulation and proof-of-principle tests.

  • A Latching Ferrite Junction Circulator for Phased Array Switching Applications

    This paper describes an X-band latching three-port junction circulator with switching time less than one microsecond, wide bandwidth, and small size. It is particularly well suited for use as the switching element in differential time delay networks and other switching networks required in phased array antennas.

  • A Property of Symmetric Hybrid Waveguide Junctions (Correspondence)

    It is well known that in symmetric hybrid junctions such as the short-slot, branched-guide, and transvar types, the signals in the main and auxiliary guides are in phase quadrature. Another property of fully symmetric lossless hybrids is that if all the arms are matched, the amplitudes of the waves traveling in the reverse direction in the main and auxiliary guides are equal. A proof is given below.

  • 1960 PGMTT National Symposium (Mar. 1960 [T-MTT])

    None

  • Experimental results of SIS mixers with distributed junction arrays

    The heterodyne mixing performance of three respective distributed junction arrays, i.e., a number of superconductor-insulator-superconductor (SIS) junctions distributed along a thin-film transmission line involving two, five, and ten junctions are measured and compared to their Fourier transform spectroscopy (FTS) detection responses. It has been found that distributed junction arrays have a rather large bandwidth in comparison to conventional SIS junction devices, while still keeping a quantum-limited noise performance. Detailed experimental results are presented.

  • Progress on tunerless SIS mixers for the 200-300 GHz band

    An integrated superconductor-insulator-superconductor (SIS) mixer for the 200-300-GHz band with no adjustable tuning is described. A waveguide input is coupled to a coplanar mixer circuit with six individually tuned SIS junctions in series. Using the best mixer, the receiver noise temperature is 45-80 K DSB over 215-275 GHz. The mixer noise temperature at 230 GHz is 12 K DSB, and the conversion loss is 2.5 dB DSB.<<ETX>>

  • Higher-Order Evaluation of Dipole Moments of a Small Circular Disk (Correspondence)

    Bethe was the first to calculate the induced electric and magnetic dipole moments if a plane wave falls upon a circular hole in an infinite plane screen. The corresponding complementary problem of a circular disk can then be solved using Babinet's principle. In some recent experimental work on circular disks in a rectangular waveguide large discrepancies between experimental and theoretical results were found when Bethe's theory was used particularly for disks, where ka>0.5 (a=radius of the disks, k =2µ/lambda). Bouwkamp has shown that Bethe's results can be obtained by using a first order approximation for the surface current distribution on the disk. Following the same procedures, a sixth order approximation in (ka) for normal incidence and a third order approxination for oblique incidence has been found. The detailed results will be presented in a future paper. Here only the expressions for the electric and magnetic dipole moments will be given.

  • Hybrid finite element analysis of H-plane waveguide junction using hybrid-ray-mode method

    A numerical technique for solving the H-plane waveguide junction problem is presented. The junction can be of arbitrary shape and have an arbitrary post inside. The analysis technique is a finite element technique combined with a moment method. The Green's function of the waveguide which is used for the moment method is expressed in the form of the hybrid ray mode which is known to be efficient for the waveguide propagating multimodes. In order to verify the code, the aperture susceptance of an inductive waveguide junction is computed.<<ETX>>

  • Development of low-noise SIS mixers with NbN technique for ALMA Band 10

    Low-noise and wide-band SIS (superconductor-insulator-superconductor) mixers operating at around 1 THz are now required for the ALMA (Atacama large millimeter/submillimeter array) Band-10 receivers, which cover the frequency band from 787 to 950 GHz. SIS mixers based on Nb technique have shown excellent performances with a few times of quantum-limited noise at frequencies below 725 GHz, which is the gap frequency of Nb. However, the RF loss in Nb significantly increases due to pair breaking at frequencies above 725 GHz, and noise performances of Nb-based SIS mixers are considerably degraded. To overcome this problem, it is necessary to make SIS mixers based on superconducting materials with a larger energy gap than that of Nb. Niobium nitride (NbN) have attracted interest recently as replacements for Nb used in terahertz SIS mixers because of its high superconducting energy gap, corresponding with a gap frequency of about 1.5 THz. However, NbN is known to have a very short superconducting coherence length (xi~5 nm) and superconducting properties of NbN thin films are sensitive to its crystal structures.

  • Open Structures SIS Receiver For Submillimeter Radioastronomy Between 350 And 700 GHz

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