Multi-pole multi-electron injection radiation source based on cold cathode
The invention belongs to the field of microwave, millimeter wave and terahertz frequency band electric vacuum devices, and particularly provides a multi-pole multi-electron injection radiation sourcebased on a cold cathode. The device mainly comprises a cathode baffle, a radiation source core, a fee...
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Format | Patent |
Language | Chinese English |
Published |
06.09.2019
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Abstract | The invention belongs to the field of microwave, millimeter wave and terahertz frequency band electric vacuum devices, and particularly provides a multi-pole multi-electron injection radiation sourcebased on a cold cathode. The device mainly comprises a cathode baffle, a radiation source core, a feed system, a metal shell and an output window sheet; the relatively high high-frequency field at themiddle part of a high-frequency structure is fully utilized to act on the surface of the cold cathode through a multi-stage emission and multi-pole modulation mode, so that the emission current is increased and the electron injection modulation depth is deepened, so that the electronic injection has a remarkable pre-modulation effect. According to the method, a very high-quality field emission pre-modulation electron injection can be obtained, the wave-injecting interaction efficiency is obviously improved, and the output power is obviously improved; the complexity of the device is greatly reduced without an optical-o |
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AbstractList | The invention belongs to the field of microwave, millimeter wave and terahertz frequency band electric vacuum devices, and particularly provides a multi-pole multi-electron injection radiation sourcebased on a cold cathode. The device mainly comprises a cathode baffle, a radiation source core, a feed system, a metal shell and an output window sheet; the relatively high high-frequency field at themiddle part of a high-frequency structure is fully utilized to act on the surface of the cold cathode through a multi-stage emission and multi-pole modulation mode, so that the emission current is increased and the electron injection modulation depth is deepened, so that the electronic injection has a remarkable pre-modulation effect. According to the method, a very high-quality field emission pre-modulation electron injection can be obtained, the wave-injecting interaction efficiency is obviously improved, and the output power is obviously improved; the complexity of the device is greatly reduced without an optical-o |
Author | LI HAILONG WANG RUI WANG BIN YIN YONG MENG LIN YUAN XUESONG CHEN QINGYUN YAN YANG |
Author_xml | – fullname: MENG LIN – fullname: YAN YANG – fullname: WANG RUI – fullname: LI HAILONG – fullname: YIN YONG – fullname: YUAN XUESONG – fullname: CHEN QINGYUN – fullname: WANG BIN |
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DocumentTitleAlternate | 一种基于冷阴极的多极多电子注辐射源 |
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Notes | Application Number: CN201910480337 |
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Snippet | The invention belongs to the field of microwave, millimeter wave and terahertz frequency band electric vacuum devices, and particularly provides a multi-pole... |
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Title | Multi-pole multi-electron injection radiation source based on cold cathode |
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