Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator

Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator

Radio frequency Ohmic loss due to non-ideal conductor boundaries seriously limits the performance of electronic devices. In this paper, the Ohmic losses of two simple models are calculated by particle-in-cell (PIC) simulation, which is also verified by theoretical calculation. Thereafter, based on P...

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Main Authors: Nongchao Tan, Ping Wu, Jun Sun, Ye Hua, Yibing Cao, Dongyang Wang, Zhimin Song, Meng Zhu, Wenhui Huang
Format: Article
Language:English
Published: AIP Publishing LLC 2021-09-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0054609
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spelling doaj-c93dd29b6a7649f18484a641cd99a94d2021-10-06T14:17:12ZengAIP Publishing LLCAIP Advances2158-32262021-09-01119095209095209-510.1063/5.0054609Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillatorNongchao Tan0Ping Wu1Jun Sun2Ye Hua3Yibing Cao4Dongyang Wang5Zhimin Song6Meng Zhu7Wenhui Huang8Key Laboratory of Particle and Radiation Imaging (Tsinghua University), Ministry of Education, Beijing 100084, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaScience and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi’an, Shaanxi 710024, ChinaKey Laboratory of Particle and Radiation Imaging (Tsinghua University), Ministry of Education, Beijing 100084, ChinaRadio frequency Ohmic loss due to non-ideal conductor boundaries seriously limits the performance of electronic devices. In this paper, the Ohmic losses of two simple models are calculated by particle-in-cell (PIC) simulation, which is also verified by theoretical calculation. Thereafter, based on PIC simulation, we have studied the variation of the Ohmic losses of relativistic backward wave oscillators (RBWOs) with operating frequency and material conductivity. The PIC simulation results show that as the frequency advances, the Ohmic losses of RBWOs deteriorate sharply. The power loss becomes non-negligible when compared with the output power. The loss-power ratio of a V-band RBWO made of stainless steel is over 25%. The non-negligible Ohmic loss can explain to some extent that the difference between the simulated and the experimental output power of the RBWO becomes apparent as the working frequency increases.http://dx.doi.org/10.1063/5.0054609
collection DOAJ
language English
format Article
sources DOAJ
author Nongchao Tan
Ping Wu
Jun Sun
Ye Hua
Yibing Cao
Dongyang Wang
Zhimin Song
Meng Zhu
Wenhui Huang
spellingShingle Nongchao Tan
Ping Wu
Jun Sun
Ye Hua
Yibing Cao
Dongyang Wang
Zhimin Song
Meng Zhu
Wenhui Huang
Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
AIP Advances
author_facet Nongchao Tan
Ping Wu
Jun Sun
Ye Hua
Yibing Cao
Dongyang Wang
Zhimin Song
Meng Zhu
Wenhui Huang
author_sort Nongchao Tan
title Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
title_short Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
title_full Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
title_fullStr Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
title_full_unstemmed Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
title_sort analysis of ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2021-09-01
description Radio frequency Ohmic loss due to non-ideal conductor boundaries seriously limits the performance of electronic devices. In this paper, the Ohmic losses of two simple models are calculated by particle-in-cell (PIC) simulation, which is also verified by theoretical calculation. Thereafter, based on PIC simulation, we have studied the variation of the Ohmic losses of relativistic backward wave oscillators (RBWOs) with operating frequency and material conductivity. The PIC simulation results show that as the frequency advances, the Ohmic losses of RBWOs deteriorate sharply. The power loss becomes non-negligible when compared with the output power. The loss-power ratio of a V-band RBWO made of stainless steel is over 25%. The non-negligible Ohmic loss can explain to some extent that the difference between the simulated and the experimental output power of the RBWO becomes apparent as the working frequency increases.
url http://dx.doi.org/10.1063/5.0054609
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