2021 Vol. 33, No. 5

Recommend Articles
Research progress of stimulated Brillouin scattering pulse compression technique
Lian Yudong, Wang Yuhe, Zhang Yuqin, Han Shiwei, Yu Yang, Qi Xuan, Luan Nannan, Bai Zhenxu, Wang Yulei, Lü Zhiwei
2021, 33: 051001. doi: 10.11884/HPLPB202133.210006
JASMIN-based fast shielding effectiveness prediction of enclosure containing thin composite layer
Zhong Jinyu, Liu Qiang, Yan Liping, Zhao Xiang, Meng Xuesong, Zhou Haijing
2021, 33: 053003. doi: 10.11884/HPLPB202133.210048
Design of stripline beam position monitor for Shanghai soft X-ray free electron laser
Wu Tong, Lai Longwei, Yu Luyang, Yuan Renxian, Chen Jian, Yan Yingbing, Leng Yongbin
2021, 33: 054003. doi: 10.11884/HPLPB202133.210015
Cover and Contents
Cover and Contents, High Power Laser and Particle Beams, No 5, Vol 33, 2021
Editorial Office
2021, : 1-2.
High Power Laser Physics and Technology
Research progress of stimulated Brillouin scattering pulse compression technique
Lian Yudong, Wang Yuhe, Zhang Yuqin, Han Shiwei, Yu Yang, Qi Xuan, Luan Nannan, Bai Zhenxu, Wang Yulei, Lü Zhiwei
2021, 33: 051001. doi: 10.11884/HPLPB202133.210006
Abstract:

Stimulated Brillouin scattering (SBS) as a third-order optical effect is widely used in laser beam combination, distributed fiber sensing, Brillouin lasers and other fields. In recent years, SBS pulse compression has also received special attention. ...

Influence of robotic structural deformation on bonnet polishing removal function
Lin Zewen, Wang Zhenzhong, Huang Xuepeng, Kong Liuwei
2021, 33: 051002. doi: 10.11884/HPLPB202133.200293
Abstract:
Precision polishing system for opticals based on bonnet polishing technology and industrial robot can not only meet the requirements of high efficiency and precision of rapid polishing, but also reduce the development cost, thus it is a potential dev...
High Power Microwave Technology
Microstructure characterization and thermionic emission performance of barium-tungsten cathode
Wang Ziyu, Shang Jihua, Yang Xinyu, Zhang Jiuxing
2021, 33: 053001. doi: 10.11884/HPLPB202133.200335
Abstract:
The effect of the parameters (sintering temperature, pressure, holding time) of spark plasma sintering technique on the W porosity of Ba-W cathode was studied by orthogonal method. When the W porosity varied in the range of 23%−30%, the corresponding...
Modeling and statistical analysis of distribution parameters of random cable bundles based on image recognition technology
Rong Fan, Zhong Longquan, Liu Qiang, Yan Liping, Zhao Xiang
2021, 33: 053002. doi: 10.11884/HPLPB202133.210007
Abstract:
In this paper, a modeling method of actual bending random bundled wire harness is proposed. Firstly, based on image recognition technology, the three-dimensional coordinates of bending wire harness axis are reconstructed by using two photos of actual...
JASMIN-based fast shielding effectiveness prediction of enclosure containing thin composite layer
Zhong Jinyu, Liu Qiang, Yan Liping, Zhao Xiang, Meng Xuesong, Zhou Haijing
2021, 33: 053003. doi: 10.11884/HPLPB202133.210048
Abstract:
The subgridding boundary condition (SGBC) based modeling of thin composite layer in Finite-Difference Time-Domain (FDTD) simulation of enclosures breaks the constraint that the mesh size should be less than the smallest dimension of thin composite la...
Design of high frequency system of 0.34 THz high order mode two-beam folded waveguide traveling wave tube
Zhao Zhengyuan, Liu Wenxin, Yang Longlong, Ou Yue
2021, 33: 053004. doi: 10.11884/HPLPB202133.210002
Abstract:
High frequency system is the key part of folded-waveguide (FW) traveling-wave tube (TWT), it will directly affect the operating frequency, bandwidth, gain and other indicators of TWT. In order to obtain larger output power and higher gain than a conv...
A miniaturized dual-band frequency selective surface with low frequency ratio for electromagnetic shielding
Zhang Jinghan, Yan Liping, Huang Yu, Zhao Xiang
2021, 33: 053005. doi: 10.11884/HPLPB202133.210044
Abstract:
A miniaturized dual-stopband frequency selective surface (FSS) is proposed in this paper to shield the sensitive electronic equipment from interference signals with closely spaced frequency bands. The proposed FSS composes of a dielectric layer and t...
Electromagnetic shielding analysis of electronic systems containing frequency selective surface structure in K/Ka band
Shen Ning, Yan Liping, Gu Zhiyuan, Zhao Xiang
2021, 33: 053006. doi: 10.11884/HPLPB202133.210043
Abstract:
The frequency continuous extension to K/Ka band for electronic devices and wireless technology, as well the fast development of integrated electronic system have made the electromagnetic shielding design of electronic systems increasingly challenging...
RF power source system for boron neutron capture therapy test facility
Rong Linyan, Mu Zhencheng, Zhou Wenzhong, Wan Maliang, Xie Zhexin, Wang Bo, Liu Meifei, Li Jian, Xu Xin’an, Zhang Hui, Li Song, Ouyang Huafu, Fu Shinian
2021, 33: 053007. doi: 10.11884/HPLPB202133.200307
Abstract:
An accelerator-based boron neutron capture therapy (BNCT) experimental facility has been built by Institute of High Energy Physics, Chinese Academy of Sciences. The radio frequency (RF) power source system provides 352.2 MHz pulse power for radio-fre...
Performance analysis and development of high-power and high-linearity current injection probes
Sun Jiangning, Pan Xiaodong, Lu Xinfu, Wan Haojiang, Wei Guanghui
2021, 33: 053008. doi: 10.11884/HPLPB202133.200350
Abstract:
Aiming at the problem that the impedance of the probe is prone to non-linear changes when applied to the bulk current injection test replacing high field intensity radiation, the linearity test of the existing commercial current probe is carried out ...
Particle Beams and Accelerator Technology
Vibration of scanning magnet for space environment simulation and research infrastructure
Yu Jiuwei, Yang Yaqing, Lü Minbang, Cheng Wenjun, Zheng Yajun, Xu Xiaowei, Lu Haijiao, Pan Yongxiang
2021, 33: 054001. doi: 10.11884/HPLPB202133.200311
Abstract:
This article presents, the research about the vibration of the space environment simulation and research infrastructure (SESRI) scanning magnet for Harbin Institute of Technology (HIT), which uses laser displacement sensors to measure the amplitudes ...
Study on imaging simulation of electronic photography
Jia Qinggang, Yang Bo, Xu Haibo, She Ruogu
2021, 33: 054002. doi: 10.11884/HPLPB202133.200300
Abstract:
High energy electron radiography is a useful nondestructive method for density material diagnosis. The higher the kinetic energy, the stronger penetrability the electron has. Thus electron with GeV energy is considered for probing the density materia...
Design of stripline beam position monitor for Shanghai soft X-ray free electron laser
Wu Tong, Lai Longwei, Yu Luyang, Yuan Renxian, Chen Jian, Yan Yingbing, Leng Yongbin
2021, 33: 054003. doi: 10.11884/HPLPB202133.210015
Abstract:
Shanghai Soft X-ray Free Electron Laser (SXFEL) is the first fourth-generation light source in China that can work in soft X-ray band. With the advantages of short wavelength, full coherence, ultra-high brightness, and ultra-short pulse, it is expect...
Orbit correction based on machine learning
Xiao Dengjie, Qiao Yusi, Chu Zhongming
2021, 33: 054004. doi: 10.11884/HPLPB202133.200352
Abstract:
Orbit correction is one of the most fundamental processes used for beam control in accelerators. Algorithms have been developed at various laboratories to meet specific demands. Typically, linear algebraic tools are applied to various response matric...
Development of digital BPM front-end conditioning circuit for BEPCII linac
Yang Jing, Du Yaoyao, Wang Lin, Ye Qiang, Ma Huizhou, Wei Shujun, Yue Junhui, Sui Yanfeng, Gao Guodong, Tang Xuhui, Cao Jianshe
2021, 33: 054005. doi: 10.11884/HPLPB202133.210046
Abstract:
Aiming to control the rising failure rate of electronics system for BEPC II linac’s beam position measurement, considering the physical design parameters of BEPC II and the requirements of band-pass sampling of BPM electronics ADC chip, a digital BPM...
Pulsed Power Technology
Simulation of magnetically driven quasi-isentropic compression experiments with windows
Kan Mingxian, Wang Ganghua, Liu Lixin, Nan Xiaolong, Ji Ce, He Yong, Duan Shuchao
2021, 33: 055001. doi: 10.11884/HPLPB202133.200329
Abstract:
The material parameters and functional modules of LiF are added to the two-dimensional magnetically driven simulation code (MDSC2), which makes MDSC2 code have the ability to simulate the magnetically driven quasi-isentropic compression experiments w...
Flashover characteristics of epoxy/Al2O3 composite under nanosecond rising pulses in SF6 gas
Sun Chuyu, Wang Haiyang, Xie Linshen, Chi Xiaohong
2021, 33: 055002. doi: 10.11884/HPLPB202133.200289
Abstract:
Epoxy/Al2O3 composite is widely used as insulating material in power equipment. However, its performance in SF6 gas under fast-rising pulse is little studied, which limits its application in guiding insulation design of pulse power devices. To invest...
New type of triggered vacuum switch based on gas-breathing electrode
Lu Biao, Peng Taiping, Yan Jie, Qiu Rui, Ke Jianlin, Long Tianjun
2021, 33: 055003. doi: 10.11884/HPLPB202133.210014
Abstract:
Aiming at the difficult problems of trigger delay, jitter and short life of triggered vacuum switch, A new type of triggered vacuum switch based on a gas-breathing electrode was designed to carry out life test and conduction characteristic experiment...
Research on transportation vibration environmental adaptability of coaxial pulse forming line
Fan Hongyan, Wang Junjie, Liu Sheng, Zhang Xuefei, Sun Xu, Wang Gang, Kou Lei, Hou Zhenyuan
2021, 33: 055004. doi: 10.11884/HPLPB202133.210067
Abstract:
To evaluate the vibration environmental adaptability of Tesla-type pulse generator under vehicle transportation condition, simulation and verification test were carried out for the coaxial pulse forming line (PFL) with cantilever support insulators. ...
Experiment and analysis on mathematical model of 1 MV rod pinch diode
Feng Yuanwei, Ma Xun, Qu Junfu, Li Hongtao
2021, 33: 055005. doi: 10.11884/HPLPB202133.210136
Abstract:
Rod pinch diode (RPD) has the characteristics of small focal spot and high brightness, which is a research hotspot in the field of flash radiography. In this paper, based on the Marx generator and pulse forming line technology route, 1 MV high voltag...
Advanced Interdisciplinary Science
Investigation on shape precision of surface exposure selective laser melting
Wang Kaijia, Shen Xianfeng, Wang Guowei, Wang Chenguang, Chen Jinming, Liu Ningzhao, Wu Hualing
2021, 33: 059001. doi: 10.11884/HPLPB202133.210039
Abstract:
Having a new generation of selective laser melting process, surface exposure selective laser melting technology has the advantages of high forming efficiency and uniform temperature field, and is becoming a research focus in additive manufacturing fi...