Experimental studies of long-lifetime cold cathode for high-power microwave oscillators; IEEE Transactions on Plasma Science; Vol. 28, iss. 3
| Parent link: | IEEE Transactions on Plasma Science Vol. 28, iss. 3.— 2000.— [P. 537-541] |
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| Altres autors: | , , , , , |
| Sumari: | Title screen Operation of explosive-emission cold cathodes made from various materials was studied at a large number of pulses at current densities of /spl sim/1.0/sup 4/ A/cm/sup 2/. The cathode voltage and the beam current were /spl sim/500 kV and 5 kA, respectively, with a pulsewidth of /spl sim/20 ns. At a small number of pulses (/spl les/10/sup 3/), cathodes of like geometry (even made from different materials) demonstrated similar emission properties. For most of the materials tested, with a large number of pulses (/spl ges/10/sup 3/), the current risetime increased to the fullwidth of the voltage pulse and the maximum current of the vacuum diode decreased. When using a graphite cathode, the maximum current remained invariant until 10/sup 8/ pulses. Mass losses were measured for a series of cathode materials. The results obtained offered the possibility to realize long-lived operation of an X-band relativistic backward-wave oscillator with an almost invariant output power of 350-400 MW during 10/sup 8/ pulses at a pulse repetition rate of 100-150 p.p.s. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | anglès |
| Publicat: |
2000
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| Matèries: | |
| Accés en línia: | https://doi.org/10.1109/27.887668 |
| Format: | MixedMaterials Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=653617 |
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| 200 | 1 | |a Experimental studies of long-lifetime cold cathode for high-power microwave oscillators |f A. V. Gunin [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 13 tit.] | ||
| 330 | |a Operation of explosive-emission cold cathodes made from various materials was studied at a large number of pulses at current densities of /spl sim/1.0/sup 4/ A/cm/sup 2/. The cathode voltage and the beam current were /spl sim/500 kV and 5 kA, respectively, with a pulsewidth of /spl sim/20 ns. At a small number of pulses (/spl les/10/sup 3/), cathodes of like geometry (even made from different materials) demonstrated similar emission properties. For most of the materials tested, with a large number of pulses (/spl ges/10/sup 3/), the current risetime increased to the fullwidth of the voltage pulse and the maximum current of the vacuum diode decreased. When using a graphite cathode, the maximum current remained invariant until 10/sup 8/ pulses. Mass losses were measured for a series of cathode materials. The results obtained offered the possibility to realize long-lived operation of an X-band relativistic backward-wave oscillator with an almost invariant output power of 350-400 MW during 10/sup 8/ pulses at a pulse repetition rate of 100-150 p.p.s. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t IEEE Transactions on Plasma Science | ||
| 463 | |t Vol. 28, iss. 3 |v [P. 537-541] |d 2000 | ||
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Gunin |b A. V. | |
| 701 | 1 | |a Landl |b V. F. | |
| 701 | 1 | |a Korovin |b S. D. | |
| 701 | 1 | |a Mesyats |b G. A. |c russian physicist |c academican, vice-president of RAS |c graduate of Tomsk Polytechnic Institute |f 1936- |g Gennady Andreyevich |3 (RuTPU)RU\TPU\pers\28088 |4 070 | |
| 701 | 1 | |a Pegel |b I. V. |c specialist in the field of automation equipment and electronics |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1964- |g Igor Valerievich |3 (RuTPU)RU\TPU\pers\33780 | |
| 701 | 1 | |a Rostov |b V. V. |g Vladislav Vladimirovich | |
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