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Journal articles on the topic 'High Power Microwaves Vircator'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

LIU, GUOZHI, WENHUA HUANG, HAO SHAO, et al. "Effects of diode current on high power microwave generation in a vircator." Journal of Plasma Physics 75, no. 6 (2009): 787–98. http://dx.doi.org/10.1017/s0022377809007909.

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AbstractAn experiment of a virtual cathode oscillator (vircator) built on the low impedance intense electron beam accelerator Flash II is reported. A novel spectrum diagnosis method—a circulating dispersion line—is proposed. A thin oil layer coated graphite cathode is introduced in the experiment to decrease the delay time of the explosive emission process and obtain a homogeneous electron beam emission for improving the high-power microwave (HPM) generation efficiency. The effect of diode current on HPM generation in the vircator system is discussed. The HPM pulse width has a strong connectio

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2

LIU, G. Z., H. SHAO, Z. F. YANG, et al. "Coaxial cavity vircator with enhanced efficiency." Journal of Plasma Physics 74, no. 2 (2008): 233–44. http://dx.doi.org/10.1017/s0022377807006976.

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AbstractA vircator with a coaxial cavity has the potential to increase the beam–microwave conversion efficiency. According to the E-field distribution pattern of the modes in the anode cavity of a coaxial vircator, the resonant frequency band of the injected electron beam and the lowest two operating modes are derived. The main frequency of the virtual cathode is also deduced. The optimal operating frequency and high-efficiency designing method of a coaxial cavity vircator is discussed. An experimental setup is designed and built to test the high-power microwave (HPM) generation mechanism desc

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3

Chang-Sing Hwang and Mien-Win Wu. "A high power microwave vircator with an enhanced efficiency." IEEE Transactions on Plasma Science 21, no. 2 (1993): 239–42. http://dx.doi.org/10.1109/27.219385.

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4

KOROVIN, SERGEI D., IVAN K. KURKAN, SERGEY V. LOGINOV, et al. "Decimeter-band frequency-tunable sources of high-power microwave pulses." Laser and Particle Beams 21, no. 2 (2003): 175–85. http://dx.doi.org/10.1017/s0263034603212052.

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This article describes S-band sources of high-power microwave (HPM) pulses: a resonant backward wave oscillator (BWO) producing ∼5-GW, 100-J pulses, based on the SINUS-7 electron accelerator, and a double-section vircator with a peak power of ∼1 GW and a pulse width of 20–50 ns, powered from either the SINUS-7 accelerator or the MARINA inductive-store pulse driver with a fuse opening switch.

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5

Hwang, C. S., M. W. Wu, P. S. Song, and W. S. Hou. "High power microwave generation from a tunable radially extracted vircator." Journal of Applied Physics 69, no. 3 (1991): 1247–52. http://dx.doi.org/10.1063/1.347310.

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6

Walter, John W., Curtis F. Lynn, James C. Dickens, and Magne Kristiansen. "Operation of a Sealed-Tube-Vircator High-Power-Microwave Source." IEEE Transactions on Plasma Science 40, no. 6 (2012): 1618–21. http://dx.doi.org/10.1109/tps.2012.2192454.

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7

Wymysłowski, Artur. "VIRCATOR - ANALYTICAL AND NUMERICAL ANALYSIS AND OPTIMIZATION OF A VACUUM MICROWAVE HIGH POWER DEVICE." International Journal of Research -GRANTHAALAYAH 6, no. 5 (2018): 47–53. http://dx.doi.org/10.29121/granthaalayah.v6.i5.2018.1422.

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Vircator is a vacuum microwave device characterised by a pulse working signal and high power. It is classified as a High-Power Microwave (HPM) device and often is a component of Electromagnetic Pulse (EMP) weapons and microwave power transmissions. The direct source of a microwave signal is an oscillation of the so-called virtual cathode. The goal of the presented research was to apply analytical analysis and numerical prototyping methods as a methodology for optimization of the electrical and mechanical design taking into account transformation of electrons' energy into a microwave signal. On

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8

Verma, Rishi, Rohit Shukla, Surender Kumar Sharma, et al. "Characterization of High Power Microwave Radiation by an Axially Extracted Vircator." IEEE Transactions on Electron Devices 61, no. 1 (2014): 141–46. http://dx.doi.org/10.1109/ted.2013.2288310.

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9

Nikolov, N. A., K. G. Kostov, I. P. Spasovsky, and V. A. Spasov. "High-power microwave generation from virtual cathode in foilless diode (vircator)." Electronics Letters 24, no. 23 (1988): 1445. http://dx.doi.org/10.1049/el:19880987.

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10

Biswas, Debabrata, and Raghwendra Kumar. "Microwave Power Enhancement in the Simulation of a Resonant Coaxial Vircator." IEEE Transactions on Plasma Science 38, no. 6 (2010): 1313–17. http://dx.doi.org/10.1109/tps.2010.2042821.

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11

Walter, John, John Mankowski, and James Dickens. "Imaging of the Explosive Emission Cathode Plasma in a Vircator High-Power Microwave Source." IEEE Transactions on Plasma Science 36, no. 4 (2008): 1388–89. http://dx.doi.org/10.1109/tps.2008.924489.

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12

Parson, Jonathan M., Curtis F. Lynn, Mike C. Scott, et al. "A Frequency Stable Vacuum-Sealed Tube High-Power Microwave Vircator Operated at 500 Hz." IEEE Electron Device Letters 36, no. 5 (2015): 508–10. http://dx.doi.org/10.1109/led.2015.2408216.

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13

AlMansoori, Mae, Ernesto Neira, Sebastien Lallechere, et al. "A FRAMEWORK FOR PEAK POWER EXCEEDANCES OF HIGH POWER MICROWAVE RADIATORS APPLIED TO A VIRCATOR SURROGATE MODEL." Progress In Electromagnetics Research B 91 (2021): 39–57. http://dx.doi.org/10.2528/pierb21011301.

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14

Li, Limin, L. Chang, L. Zhang, J. Liu, G. Chen, and J. Wen. "Development mechanism of cathode surface plasmas of high current pulsed electron beam sources for microwave irradiation generation." Laser and Particle Beams 30, no. 4 (2012): 541–51. http://dx.doi.org/10.1017/s0263034612000468.

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AbstractThis paper presents the development mechanism of surface plasmas of carbon-fiber-cathode electron beam source and its effects on the operation of a high-power microwave source, reflex triode vircator powered by about 400 kV, 9 kA, about 350 ns pulsed power accelerator. Based on the current and voltage characteristics of diodes using carbon fiber cathode, the axial expansion velocity is 1.2 cm/μs and the delay time of explosive emission is 2 ns. Further, the comparison of carbon fiber and stainless steel cathodes is made. It was found that the threshold electric field for carbon fiber c

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15

Roy, Amitava, R. Menon, Vishnu Sharma, Ankur Patel, Archana Sharma, and D. P. Chakravarthy. "Features of 200 kV, 300 ns reflex triode vircator operation for different explosive emission cathodes." Laser and Particle Beams 31, no. 1 (2012): 45–54. http://dx.doi.org/10.1017/s026303461200095x.

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AbstractTo study the effect of explosive field emission cathodes on high power microwave generation, experiments were conducted on a reflex triode virtual cathode oscillator. Experimental results with cathodes made of graphite, stainless steel nails, and carbon fiber (needle type) are presented. The experiments have been performed at the 1 kJ Marx generator (200 kV, 300 ns, and 9 kA). The experimentally obtained electron beam diode perveance has been compared with the one-dimensional Child-Langmuir law. The cathode plasma expansion velocity has been calculated from the perveance data. It was f

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16

Qingzi Xing, Jian Wu, Shuxin Zheng, and Chuanxiang Tang. "Mode Analysis of High-Power Microwave Generation in the Inward-Emitting Coaxial Vircator Based on Computer Simulation." IEEE Transactions on Plasma Science 37, no. 2 (2009): 298–303. http://dx.doi.org/10.1109/tps.2008.2009939.

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17

Wook Jeon, Jeong Eun Lim, Min Wug Moon, et al. "Output characteristics of the high-power microwave generated from a coaxial vircator with a bar reflector in a drift region." IEEE Transactions on Plasma Science 34, no. 3 (2006): 937–44. http://dx.doi.org/10.1109/tps.2006.875729.

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18

Parson, Jonathan M., John J. Mankowski, James C. Dickens, and Andreas A. Neuber. "Imaging of Explosive Emission Cathode and Anode Plasma in a Vacuum-Sealed Vircator High-Power Microwave Source at 250 A/cm \(^{2}\)." IEEE Transactions on Plasma Science 42, no. 10 (2014): 2592–93. http://dx.doi.org/10.1109/tps.2014.2331688.

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19

Benford, James. "Space Applications of High-Power Microwaves." IEEE Transactions on Plasma Science 36, no. 3 (2008): 569–81. http://dx.doi.org/10.1109/tps.2008.923760.

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20

Otsuka, M., and M. Shimizu. "Mode filter for high-power microwaves." IEEE Transactions on Microwave Theory and Techniques 39, no. 9 (1991): 1650–54. http://dx.doi.org/10.1109/22.83842.

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21

Pottier, Sebastien B., Franck Hamm, Dominique Jousse, Patrick Sirot, Friedman Tchoffo Talom, and Rene Vezinet. "High Pulsed Power Compact Antenna for High-Power Microwaves Applications." IEEE Transactions on Plasma Science 42, no. 6 (2014): 1515–21. http://dx.doi.org/10.1109/tps.2014.2321416.

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22

Li, G. L., C. W. Yuan, J. Y. Zhang, T. Shu, and J. Zhang. "A diplexer for gigawatt class high power microwaves." Laser and Particle Beams 26, no. 3 (2008): 371–77. http://dx.doi.org/10.1017/s0263034608000384.

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AbstractWith the rapid development of high power microwave (HPM) technologies, HPM devices with several output frequencies are becoming more and more attractive. Diplexer is a microwave device with two output frequencies, here, an L/X band diplexer with novel structure is tried to be employed in the HPM system. In order to obtain the same radiation direction for the L and X band microwaves in the diplexer, the reflection of L band microwaves and transmission of X band microwaves are realized by an array of irises. To obtain the required performance, the width and thickness of the irises and th

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23

Mumtaz, Sohail, Pradeep Lamichhane, Jun Sup Lim, et al. "Enhancement in the power of microwaves by the interference with a cone-shaped reflector in an axial vircator." Results in Physics 15 (December 2019): 102611. http://dx.doi.org/10.1016/j.rinp.2019.102611.

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24

Hirshfield, J. L. "Generation and Application of High Power Microwaves." Nuclear Fusion 38, no. 8 (1998): 1257. http://dx.doi.org/10.1088/0029-5515/38/8/703.

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25

Li, Guolin, Ting Shu, Chengwei Yuan, et al. "Coupling output of multichannel high power microwaves." Physics of Plasmas 17, no. 12 (2010): 123110. http://dx.doi.org/10.1063/1.3524563.

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26

Neuber, A., J. Dickens, D. Hemmert, H. Krompholz, L. L. Hatfield, and M. Kristiansen. "Window breakdown caused by high-power microwaves." IEEE Transactions on Plasma Science 26, no. 3 (1998): 296–303. http://dx.doi.org/10.1109/27.700757.

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27

Li, Guolin, Ting Shu, Chengwei Yuan, et al. "Simultaneous operation of X band gigawatt level high power microwaves." Laser and Particle Beams 28, no. 1 (2010): 35–44. http://dx.doi.org/10.1017/s0263034609990541.

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AbstractAs the pulse power and high power microwave source technologies gradually matured, technologies for enhancing the output capacities of high power microwaves are becoming more and more attractive. In this paper, two different methods for the increasing of X band microwave powers are discussed: diplexers based on microwave filter and photonic crystal. For the case of diplexer based on microwave filter, the dual channel X band microwaves transmit through the filters with high efficiencies, the polarization and radiation directions for the microwaves are the same. With the application of m

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28

Selemir, V. D., A. E. Dubinov, E. A. Ryaslov, V. I. Kargin, I. A. Efimova, and M. V. Loyko. "A high-power vircator operating as an X-ray bremsstrahlung generator." Plasma Physics Reports 30, no. 9 (2004): 772–78. http://dx.doi.org/10.1134/1.1800223.

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29

Sze, H., J. Benford, and W. Woo. "High-power microwave emission from a virtual cathode oscillator." Laser and Particle Beams 5, no. 4 (1987): 675–81. http://dx.doi.org/10.1017/s0263034600003189.

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Pinched electron beams emit high power microwaves by formation of a virtual cathode. Radiation occurs simultaneously with pinching or slightly thereafter. Observations of strong electrostatic fields and the partitioning of current into reflexing and transmitting populations at the same time that microwaves are emitted indicate virtual cathode formation. Microwaves originate mainly from the virtual cathode side of the anode. A two-dimensional model for the electron flow in the presence of a virtual cathode is presented. The model allows for electron reflexing and velocity distribution spread. S

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30

Fang, Jinyong, Huijun Huang, Jing Sun, et al. "A synthesizer for gigawatt class high power microwaves." Laser and Particle Beams 31, no. 4 (2013): 567–78. http://dx.doi.org/10.1017/s0263034613000578.

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AbstractThe high power microwave (HPM) synthesis method is presented in this paper for gigawatt level. The gigawatt level HPM could be synthesized from two separate input wave-guides according to the coupled-wave and orthogonal polarization theory. The synthesizer is used by two back to back circular wave-guides. The main channel is the circular wave-guide connected to the output port, which transmits horizontal polarization TE011 mode. The operating bandwidth is only limited by the barrier wave-length λc of circular wave-guide. The sub-channel transmits vertical polarization TE011 mode and th

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31

Zhang, Qiang, Shengren Peng, Chengwei Yuan, and Lie Liu. "Waveguide‐based combining S‐band high power microwaves." IET Microwaves, Antennas & Propagation 8, no. 10 (2014): 770–74. http://dx.doi.org/10.1049/iet-map.2013.0570.

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32

Bhattacharjee, Sudeep, Hiroshi Amemiya, and Yasushige Yano. "Plasma buildup by short-pulse high-power microwaves." Journal of Applied Physics 89, no. 7 (2001): 3573–79. http://dx.doi.org/10.1063/1.1352565.

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33

Zhao, Pengcheng, Ju Feng, and Cheng Liao. "Breakdown in Air Produced by High Power Microwaves." IEEE Transactions on Plasma Science 42, no. 6 (2014): 1560–66. http://dx.doi.org/10.1109/tps.2014.2317492.

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34

Klimov, A. I. "Diagnosis of high-power nanosecond pulses of microwaves." Russian Physics Journal 39, no. 12 (1996): 1241–49. http://dx.doi.org/10.1007/bf02436167.

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35

Selemir, V. D., A. E. Dubinov, B. G. Ptitsyn, et al. "A high-power vircator based on an ironless linear induction accelerator of electrons." Technical Physics 46, no. 11 (2001): 1415–19. http://dx.doi.org/10.1134/1.1418505.

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36

Fang, Jinyong, Huijun Huang, Jing Sun, et al. "A synthesizer for gigawatt class high power microwaves—ERRATUM." Laser and Particle Beams 31, no. 4 (2013): 759. http://dx.doi.org/10.1017/s0263034613000736.

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37

Nusinovich, G. S., G. M. Milikh, and B. Levush. "Removal of halocarbons from air with high‐power microwaves." Journal of Applied Physics 80, no. 7 (1996): 4189–95. http://dx.doi.org/10.1063/1.363559.

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38

Barton, J. H., C. R. Garcia, E. A. Berry, R. G. May, D. T. Gray, and R. C. Rumpf. "All-Dielectric Frequency Selective Surface for High Power Microwaves." IEEE Transactions on Antennas and Propagation 62, no. 7 (2014): 3652–56. http://dx.doi.org/10.1109/tap.2014.2320525.

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39

Zapevalov, V. E. "High-power microwaves against locusts and other harmful animals." EPJ Web of Conferences 149 (2017): 02030. http://dx.doi.org/10.1051/epjconf/201714902030.

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40

Zapevalov, V. E. "High-power Microwaves Against Locusts and Other Harmful Animals." EPJ Web of Conferences 195 (2018): 10015. http://dx.doi.org/10.1051/epjconf/201819510015.

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41

Zhang, T. B., T. C. Marshall, and J. L. Hirshfield. "A Cerenkov source of high-power picosecond pulsed microwaves." IEEE Transactions on Plasma Science 26, no. 3 (1998): 787–93. http://dx.doi.org/10.1109/27.700833.

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42

Kekez, Mladen M. "Method to achieving high-power microwaves in air and argon." IEEE Transactions on Plasma Science 45, no. 8 (2017): 2243–59. http://dx.doi.org/10.1109/tps.2017.2717875.

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43

Li, J. W., G. J. Deng, L. T. Guo, W. H. Huang, and H. Shao. "Polarization controllable TM01-TE11 mode converter for high power microwaves." AIP Advances 8, no. 5 (2018): 055230. http://dx.doi.org/10.1063/1.5026962.

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44

Yang, Wenyuan, Zhiwei Dong, and Ye Dong. "3-D Particle-in-Cell Simulations on a Novel High-Power and High-Efficiency Coaxial Triode Vircator." IEEE Transactions on Electron Devices 63, no. 9 (2016): 3713–18. http://dx.doi.org/10.1109/ted.2016.2586603.

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45

Litvin, V. O., and O. T. Loza. "Plasma high-current generator of wideband high-power microwaves with magnetic self-insulation." Physics of Wave Phenomena 25, no. 1 (2017): 52–55. http://dx.doi.org/10.3103/s1541308x17010083.

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46

Li Guolin, 李国林, 舒挺 Shu Ting, 袁成卫 Yuan Chengwei, et al. "Selection of spatial harmonics for diplexer illuminated by high power microwaves." High Power Laser and Particle Beams 23, no. 4 (2011): 1013–19. http://dx.doi.org/10.3788/hplpb20112304.1013.

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47

Naqvi, S. A., G. S. Kerslick, J. A. Nation, and L. Schächter. "Axial extraction of high‐power microwaves from relativistic traveling wave amplifiers." Applied Physics Letters 69, no. 11 (1996): 1550–52. http://dx.doi.org/10.1063/1.117058.

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48

Wharton, C. B., L. M. Earley, and W. P. Ballard. "Calorimetric measurements of single‐pulse high‐power microwaves in oversized waveguides." Review of Scientific Instruments 57, no. 5 (1986): 855–58. http://dx.doi.org/10.1063/1.1138824.

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49

Sieger, G. E., J. H. Lee, and D. J. Mayhall. "Computer simulation of nonlinear coupling of high-power microwaves with slots." IEEE Transactions on Plasma Science 17, no. 4 (1989): 616–21. http://dx.doi.org/10.1109/27.31201.

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50

Vykhodtsev, Pavel V., Aleksei I. Klimov, Vladislav V. Rostov, Ruslan V. Tsygankov, and Pavel V. Priputnev. "Wideband Overmoded Liquid Calorimeter for High-Power Microwaves: Centimeters to Millimeters." IEEE Transactions on Instrumentation and Measurement 70 (2021): 1–6. http://dx.doi.org/10.1109/tim.2020.3034971.

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