Zobrazeno 1 - 10
of 367
pro vyhledávání: '"Yue Ying Lau"'
Autor:
Peng Zhang, Jeongho Park, Steven B. Fairchild, Nathaniel P. Lockwood, Yue Ying Lau, John Ferguson, Tyson Back
Publikováno v:
Applied Sciences, Vol 8, Iss 7, p 1175 (2018)
Carbon nanotube (CNT) fiber-based emitters have shown great potential to deliver stable, high current beams for various potential applications. Because of joule heating, CNT field emitters are heated to high temperatures during field emission. It is
Externí odkaz:
https://doaj.org/article/c4cd2b6d473c4af884ccec55a0113658
Autor:
Ronald M. Gilgenbach, Ryan D. McBride, Abhijit Jassem, Christopher J. Swenson, Dion Li, John W. Luginsland, Yue Ying Lau, Drew A. Packard, Nicholas M. Jordan
Publikováno v:
IEEE Transactions on Plasma Science. 49:3418-3437
This article re-examines the Brillouin flow solutions in crossed-field diodes, with applications to magnetrons, magnetically insulated line oscillators (MILOs), and magnetically insulated transmission lines (MITLs). The Brillouin flow solutions are c
Publikováno v:
IEEE Transactions on Plasma Science. 49:2661-2669
The classical Ramo–Shockley (RS) theorem gives the current induced on perfect conductors by the motion of nearby charges, assuming nonrelativistic motion of those charges in electrostatic fields. This article illustrates how relativistic and electr
Autor:
Aaron Jensen, Abhijit Jassem, Yue Ying Lau, John J. Petillo, David Chernin, Serguei Ovtchinnikov
Publikováno v:
IEEE Transactions on Plasma Science. 49:749-755
A model of a thermionic cathode in a planar diode in which the Poisson and Vlasov equations are solved in 3-D assuming an infinite magnetic field is presented. We explore how 2-D work function variations across the cathode surface may affect the tran
Publikováno v:
IEEE Transactions on Plasma Science. 48:3109-3114
A self-consistent model of steady-state electron flow in a planar crossed-field diode with a thermionic cathode is presented. Our formulation is a generalization of the classic work of Fry and Langmuir, to include a constant magnetic field B of arbit
Autor:
Geoffrey B. Greening, Brad W. Hoff, Nicholas M. Jordan, Ronald M. Gilgenbach, D. H. Simon, Drew A. Packard, Steven C. Exelby, Yue Ying Lau
Publikováno v:
IEEE Transactions on Plasma Science. 48:1917-1922
The recirculating planar crossed-field amplifier (RPCFA) was designed, constructed, and tested at the University of Michigan. The RPCFA was driven by a number of RF sources ranging in frequency from 2.40 to 3.05 GHz and powers of 1 to 800 kW. Pulsed
Autor:
Christopher J. Swenson, Brad W. Hoff, Nicholas M. Jordan, Ronald M. Gilgenbach, Drew A. Packard, Yue Ying Lau, Steven C. Exelby
Publikováno v:
IEEE Transactions on Plasma Science. 48:1868-1878
The harmonic recirculating planar magnetron (HRPM) is a frequency-agile, multispectral HPM source. The HRPM implements an $L$ -band oscillator (LBO) and an $S$ -band oscillator (SBO) near 1 and 2 GHz, respectively. The novel coaxial-all-cavity-extrac
Autor:
Ryan D. McBride, Nicholas M. Jordan, Yue Ying Lau, Ronald M. Gilgenbach, Anna Cooleybeck, Alexander E. Mazarakis, Drew A. Packard, Brendan Sporer
Publikováno v:
IEEE Transactions on Plasma Science. 48:1894-1901
A magnetically insulated line oscillator (MILO) was studied using the simulation software packages high-frequency structure simulator (HFSS) and Computer Simulation Technology-Particle Studio (CST-PS). HFSS was used to find dispersion characteristics
Publikováno v:
IEEE Transactions on Plasma Science. 48:665-668
This article presents a small-signal theory of a tape helix traveling-wave tube (TWT) with distributed cold tube loss, including the recently discovered space charge effects on the circuit mode that was obtained from the exact dispersion relation of
Autor:
Yue Ying Lau, Dongzheng Chen, David Chernin, Ryan Jacobs, John H. Booske, Dane Morgan, Abhijit Jassem, Serguei Ovtchinnikov, John J. Petillo
Publikováno v:
IEEE Transactions on Plasma Science. 48:146-155
Analysis of temperature-limited flow, space-charge-limited flow, and the transition between them using a simple planar diode with a thermionic cathode, in which the cathode surface has spatially nonuniform emission properties, is presented. Our theor