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ÌâÃû£ºDesign and microfabrication of folded waveguide circuit for THz TWT
ÆÚ¿¯£ºJournal of Infrared and Millimeter Waves
¾íÆÚ£º2014, 33(1)
µÚ¶þƪ(SCI ºÍEI)
ÌâÃû£ºFast design and cold-circuit properties simulation for the slow wave structure of a 0.14 THz broadband folded waveguide traveling wave tube
ÆÚ¿¯£ºJOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
¾íÆÚ£º2010(08)
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ÌâÃû£º220 GHz folded waveguide slow-wave structure
ÆÚ¿¯£ºHigh Power Laser and Particle Beams
¾íÆÚ£º2011, 23(6)
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Design and microfabrication of folded waveguide circuit for THz TWT

×÷Õß:Wang, YJ (Wang Ya-Jun)[ 1,2 ] ; Chen, Z (Chen Zhang)[ 1,2 ] ; Cheng, YL (Cheng Yan-Lin)[ 1 ] ; Shi, ZG (Shi Zhi-Gui)[ 1 ]

JOURNAL OF INFRARED AND MILLIMETER WAVES

¾í: 33

ÆÚ: 1

Ò³: 62-67

DOI: 10.3724/SP.J.1010.2014.00062

³ö°æÄê: FEB 2014

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A simple method based on the physical characteristics to get the main parameters of folded waveg-uide traveling wave tube (TWT) circuit is presented. Providing the operating frequency and beam voltage, the authors can obtain the initial structural parameters of the FWTWT. A D-band folded waveguide circuit was used to verify this method. The cold characteristics including dispersion relation and interaction impedance were analyzed. The simulation results show good agreement with their theory formula analysis. The folded waveguide slow-wave structure has flat dispersion relation, fairly high interaction impedance about 3. 5 ohms at the center frequency of 220 GHz. The large signal performance of 27 mm (50 periods) folded waveguide circuit was predicted. Simulations show the nonlinear gain is 13. 5 dB at 220 GHz where beam voltage and current are 20. 6 kV and 15 mA, respectively. A saturated 3 dB bandwidth is 11 GHz (213 224 GHz). The Microfabrication process to produce the folded waveguide circuits was discussed. The first example of the folded waveguide circuit was fabricated by UV-LIGA process.
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×÷Õ߹ؼü´Ê:TWT; folded waveguide; simulation; UV-LIGA; terahertz radiation

KeyWords Plus:VACUUM ELECTRON DEVICES; HIGH-POWER
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ͨѶ×÷ÕßµØÖ·: Wang, YJ (ͨѶ×÷Õß)
[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         China Acad Engn Phys, Inst Elect Engn, Mianyang 621900, Sichuan, Peoples R China.

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[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         [ 1 ] China Acad Engn Phys, Inst Elect Engn, Mianyang 621900, Sichuan, Peoples R China
[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         [ 2 ] China Acad Engn Phys, Terahertz Res Ctr, Mianyang 621900, Sichuan, Peoples R China

µç×ÓÓʼþµØÖ·:yjwang01@163.com
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Advance Research Program of China Academy of Engineering Physics          
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SCIENCE PRESS, 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
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Ñо¿·½Ïò:Optics

Web of Science Àà±ð:Optics
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ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000332438600010

ISSN: 1001-9014
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    Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®

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IDS ºÅ: AC3RJ

Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 18

Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
EI:
Accession number:        

20141217481921
          Title:         Design and microfabrication of folded waveguide circuit for THz TWT
          Authors:         Wang, Ya-Jun1, 2 Email author [email]yjwang01@163.com[/email]; Chen, Zhang1, 2; Cheng, Yan-Lin1; Shi, Zhi-Gui1
          Author affiliation:         1 Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China
                  2 Terahertz Research Center, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China
          Corresponding author:         Wang, Y.-J. ([email]yjwang01@163.com[/email])
          Source title:         Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
          Abbreviated source title:         Hongwai Yu Haomibo Xuebao
          Volume:         33
          Issue:         1
          Issue date:         February 2014
          Publication year:         2014
          Pages:         62-67
          Language:         English
          ISSN:         10019014
          CODEN:         HHXUEZ
          Document type:         Journal article (JA)
          Publisher:         Chinese Optical Society
          Abstract:         A simple method based on the physical characteristics to get the main parameters of folded waveguide traveling wave tube (TWT) circuit is presented. Providing the operating frequency and beam voltage, the authors can obtain the initial structural parameters of the FWTWT. A D-band folded waveguide circuit was used to verify this method. The cold characteristics including dispersion relation and interaction impedance were analyzed. The simulation results show good agreement with their theory formula analysis. The folded waveguide slow-wave structure has flat dispersion relation, fairly high interaction impedance about 3.5 ohms at the center frequency of 220 GHz. The large signal performance of 27 mm (50 periods) folded waveguide circuit was predicted. Simulations show the nonlinear gain is 13.5 dB at 220 GHz where beam voltage and current are 20.6 kV and 15 mA, respectively. A saturated 3 dB bandwidth is 11 GHz (213~224 GHz). The Microfabrication process to produce the folded waveguide circuits was discussed. The first example of the folded waveguide circuit was fabricated by UV-LIGA process.
          Number of references:         18
          Main heading:         Waveguides
          Controlled terms:         Dispersions  -  Microanalysis  -  Microfabrication  -  Quantum theory  -  Slow wave structures
          Uncontrolled terms:         Folded waveguides  -  Simulation  -  Terahertz radiation  -  TWT  -  UV LIGA
          Classification code:         604 Metal Cutting and Machining -  714.3 Waveguides -  801 Chemistry -  931.4 Quantum Theory; Quantum Mechanics -  951 Materials Science
          DOI:         10.3724/SP.J.1010.2014.00062
          Database:         Compendex
                  Compilation and indexing terms, © 2015 Elsevier Inc.
2Â¥2015-05-25 22:51:56
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EI: Accession number:        

20102813076962
SCI:
Èë²ØºÅ: WOS:000279211300006
3Â¥2015-05-25 22:54:42
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EI: Accession number:        

20113014176646
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