<trans-title>Investigation on a W-band high efficiency extended interaction oscillator based on phase re-synchronization technology</trans-title>

Zi-Cheng WANG; Xin-Wen SHANG; Lin-Lin CAO; Bo-Jun TANG; Liu XIAO

doi:10.11972/j.issn.1001-9014.2020.02.008

Journal of Infrared and Millimeter Waves, Volume. 39, Issue 2, 211(2020)

Investigation on a W-band high efficiency extended interaction oscillator based on phase re-synchronization technology

Zi-Cheng WANG¹, Xin-Wen SHANG¹, Lin-Lin CAO^1,2, Bo-Jun TANG¹, and Liu XIAO¹

¹Key Laboratory of Science and Technology on High Power Microwave Sources and Technologies, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing0400, China

²School of Electric,Electrical and Communicaion Engineering, University of Chinese Academy of Sciences, Beijing100039, China

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Figures & Tables(11)

Fig. 1. Model for calculating s₁₁ of a single cavity composed of 12 periods of SDRWSWS and calculated results (a) a period of SDRWSWS, (b)model for calculating s₁₁, (c) calculated s₁₁;(d)the calculated results E_zc of the z component of electric field intensity at the z-axis and the fitness E_zs

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Fig. 2. Dispersion curve of even period resonant cavity and 19 kV electron beam line

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Fig. 3. Affects on even period EIO of beam voltage (a)PIC model for a single cavity EIO based on 12 periods of even SDRWSWS, (b)normalized output voltage under a 19 kV，300 mA beam, (c) FFT of normalized output voltage under a 19 kV，300mA beam, (d)curve of frequencies vs beam voltage, (e) curve of powers vs beam voltage and electron efficiencies vs beam voltage, (f) normalized output voltage under a 21 kV，300 mA beam

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Fig. 4. Affects on even period EIO of beam current (a) curve of frequencies vs beam current, (b) curve of powers vs beam current and electron efficiencies vs beam voltage

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Fig. 5. Compared performances of even period EIO and uneven period EIO (a)Frequencies of even period EIO and uneven period EIO under varied beam voltage, (b) powers of even period EIO and uneven period EIO under varied beam voltage, (c) electron efficiencies of even period EIO and uneven period EIO under varied beam voltage, (d)Frequencies of even period EIO and uneven period EIO under varied beam current, (e) powers of even period EIO and uneven period EIO under varied beam current, (f) electron efficiencies of even period EIO and uneven period EIO under varied beam current

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Fig. 6. Calculated results of the even period cavity compared with of the uneven period cavity (a) calculated s₁₁ of the even period cavity compared with calculated s₁₁ of the uneven period cavity, (b) calculated result E_zcof E_z in the even period cavity compared with calculated result E_zc-unevenof E_z in the uneven period cavity

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Fig. 7. The calculated results E_zc of the z component of electric field intensity at the z-axis and the fitness E_zs (i ) (a)comparison between E_zcand E_zs (1) within periods 1～4, (b)comparison between E_zcand E_zs (2) within periods 5～6, (c)comparison between E_zcand E_zs (3) within periods7～12

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Fig. 8. Calculated power vs time of even period EIO compared with of uneven period EIO under a 300 mA，18.7 kV beam

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Table 1. Structural parameters of SDRWSWS
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Table 1. Structural parameters of SDRWSWS
a/mm b/mm p/mm t/mm r/mm
1.8 0.8 0.8 0.24 0.22

Table 2. Calculated frequencies according to the minimums of s₁₁ of even period resonant cavity
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Table 2. Calculated frequencies according to the minimums of s₁₁ of even period resonant cavity
n 1 2 3 4 5
f_min(n)/GHz 94.55 95.4 96.79 98.66 100.89

Table 3. calculated frequencies according to the minimums of s₁₁ of uneven period resonant cavity
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Table 3. calculated frequencies according to the minimums of s₁₁ of uneven period resonant cavity
n 1 2 3 4 5
f_1min(n)/GHz 94.76 95.53 96.95 98.88 101.06

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Zi-Cheng WANG, Xin-Wen SHANG, Lin-Lin CAO, Bo-Jun TANG, Liu XIAO. Investigation on a W-band high efficiency extended interaction oscillator based on phase re-synchronization technology[J]. Journal of Infrared and Millimeter Waves, 2020, 39(2): 211

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Paper Information

Category: Millimeter Wave and Terahertz Technology

Received: May. 21, 2019

Accepted: --

Published Online: Apr. 29, 2020

The Author Email:

DOI:10.11972/j.issn.1001-9014.2020.02.008

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Structural parameters of SDRWSWS

Table 1. Structural parameters of SDRWSWS

Table 2. Calculated frequencies according to the minimums of s11 of even period resonant cavity

Table 2. Calculated frequencies according to the minimums of s11 of even period resonant cavity

Table 3. calculated frequencies according to the minimums of s11 of uneven period resonant cavity

Table 3. calculated frequencies according to the minimums of s11 of uneven period resonant cavity

Table 2. Calculated frequencies according to the minimums of s₁₁ of even period resonant cavity

Table 2. Calculated frequencies according to the minimums of s₁₁ of even period resonant cavity

Table 3. calculated frequencies according to the minimums of s₁₁ of uneven period resonant cavity

Table 3. calculated frequencies according to the minimums of s₁₁ of uneven period resonant cavity