2018 Vol. 30, No. 10

Recommend Articles
Research Letter
Generation of 563 W all-fiber white-light supercontinuum source
Dong Kegong, Zhang Haoyu, Li Yue, Lin Honghuan, Zhao Lei, Wang Jianjun, Jing Feng
2018, 30: 100101. doi: 10.11884/HPLPB201830.180220
Abstract:
Supercontinuum spectrum has wide applications in many fields, and it was one of the hottest research directions the past twenty years. However, limited by the mismatch of mode area between pig-tail of amplifier and the photonic crystal fiber and the ...
High Power Laser and Optics
Effect of target position on phase matching in high-order harmonic generation
Wang Chao, Kang Yifan, Bai Yonglin, Wang Yishan, Xu Peng, Wang Xianglin
2018, 30: 101001. doi: 10.11884/HPLPB201830.180096
Abstract:
This paper presents an experimental method to realize the best high-order harmonic generation(HHG) phase matching in the interaction of strong optical field and gas target. By studying the effects of the relative location between gas target source an...
Simulation and optimization of DF chemical lasers' diffuser
Li Jinxue, Wang Jie, Yan Feixue, Wang Zhijie, Guo Jianzeng
2018, 30: 101002. doi: 10.11884/HPLPB201830.180113
Abstract:
The model of diffuser used on chemical laser's pressure recovery system is built, the fluid field is simulated. The results show that when the supersonic part of the diffuser is 1310 mm long, the background pressure that the chemical laser can lase n...
ICF and Laser Plasma
Laser fatigue damage effect on chemical antireflection film
Jiang Yong, Jia Kui, Qiu Rong, Liao Wei, Yan Lianghong, Wang Biyi, Guan Shanghong, Guo Decheng, Zhou Qiang, Yuan Xiaodong
2018, 30: 102001. doi: 10.11884/HPLPB201830.180150
Abstract:
Fatigue effect is one of the factors leading to the damage of chemical film on optical components in high power laser system. However, few attentions are given on this issue. In this work, two irradiation types, single fluences with multi-shots and m...
High Power Microwave
Simulation and design of orbital angular momentum antenna with broadband and multimode in X-band
Wang Wenxing, Jiang Honglin, Yang Jingjing, Huang Ming
2018, 30: 103001. doi: 10.11884/HPLPB201830.180157
Abstract:
As a novel, safe and high efficient spectrum utilization technology, orbital angular momentum(OAM) has attracted a great deal of attention in scientific community. In this paper, a broadband and multimode OAM antenna which works in X-band is designed...
Preliminary design of axial foilless diode guided by composite magnetic field system
Li Chunxia, Wang Ganping, Jin Xiao
2018, 30: 103002. doi: 10.11884/HPLPB201830.180143
Abstract:
A composite guide magnetic field system for axial foilless diode was designed, which included a solenoid, a permanent magnet and a soft magnet. The cathode emission region was put outside the solenoid magnet, to get smaller inner radius of solenoid a...
Terahertz Technology
0.3 THz TM10, 1, 0 mode coaxial coupled cavity chain
Xiao Yujie, Lin Fumin
2018, 30: 103101. doi: 10.11884/HPLPB201830.180153
Abstract:
In this paper, the eigen equation is utilized to study the high-order mode coaxial resonant cavity operating in the terahertz (THz) band, the cavity's resonant frequencies of TMm, 1, 0 mode, TMm, 2, 0 mode and TMm, 1, 1 mode associating with the geom...
Complex Electromagnetic Environment
Effect of fast rise-time electromagnetic pulse on UAV transceiver
Li Yan, Cheng Erwei, Zhang Dongxiao, Zhang Qinglong, Chen Yazhou
2018, 30: 103201. doi: 10.11884/HPLPB201830.180127
Abstract:
In order to explore the damage threshold of the fast electromagnetic pulse (FRTEMP) to the transceiver of UAV, a UAV transceiver is taken as the equipment under test(EUT), and a type of pulse source along the GTEM chamber is used to generate the fast...
Coupling test of cable on ground under condition of natural lightning
Fu Yapeng, Zhang Qi, Gao Cheng, Sun Zheng, Du Lihang
2018, 30: 103202. doi: 10.11884/HPLPB201830.180130
Abstract:
A test system capable of simultaneously measuring the induced currents in the cable shield and inner conductor was developed to study the coupling problem of the cable on the ground under the natural lightning condition. The results show that: Wavefo...
Experiment research on electromagnetic effects of minimum safety system in nuclear power plant
Shu Guogang, Du Ziweihua, Huang Wei, Chen Yuhao, Chen Weihua, Zhou Yi, Zhai Shouyang, He Qi, Xie Yanzhao
2018, 30: 103203. doi: 10.11884/HPLPB201830.180115
Abstract:
High-altitude electromagnetic pulse (HEMP) can couple into electronic equipment through channels, such as cables and apertures, causing temporary or permanent damage to various electronic systems. Considering the extremely high level of safety protec...
Performances of absorbing boundary conditions on 2-D leapfrog alternating direction implicit FDTD
Wang Wenbing, Zhou Hui, Liu Yifei, Ma Liang, Cheng Yinhui
2018, 30: 103204. doi: 10.11884/HPLPB201830.180052
Abstract:
This paper presents two kinds of absorbing boundaries for the two-dimensional (2-D) Leapfrog Alternating Direction Implicit Finite-Difference Time-Domain (Leapfrog ADI-FDTD) method—Mur boundary and CPML absorbing boundary condition. Leapfrog ADI-FDTD...
Real-time simplified correction method for tropospheric refraction error
Qiao Jiang, Du Xiaoyan, Wei Peipei
2018, 30: 103205. doi: 10.11884/HPLPB201830.180146
Abstract:
Tropospheric refraction error is one of the main factors that affect the accuracy of radar measurement and positioning system. In view of the poor real-time and low resolution of the Vienna Mapping Function 1 (VMF1) in refraction error correction, th...
Design of beam scanning metamaterial antenna
Ma Yu, Zhang Haifeng, Liu Ting, Li Wenyu
2018, 30: 103206. doi: 10.11884/HPLPB201830.180088
Abstract:
A beam scanning metamaterial planar reflective array antenna is designed by combining square and octagonal rings. Compared with the traditional array antenna design, this array antenna adopts a new phase compensation method thus by combining the phas...
Effect of variation of electromagnetic pulse repetition rate ondigital communication stations
Qi Chao, Wei Guanghui, Pan Xiaodong, Li Wei, Wang Yaping
2018, 30: 103207. doi: 10.11884/HPLPB201830.180112
Abstract:
In order to study the blocking effect of digital communication stations with the change of the electromagnetic pulse train repetition rate, an electromagnetic pulse injection test was performed on a digital communication station. The bit error rate (...
Pulsed Power Technology
Pulse width adjustable pulse generator with steepened falling edge
Cui Yancheng, Yang Hanwu, Gao Jingming, Li Song, Shi Chengyu, Wu Qilin
2018, 30: 105001. doi: 10.11884/HPLPB201830.180147
Abstract:
The magnetic switch is used widely in the field of pulsed power technology due to its special saturation conduction mechanism, and it can be used as a pry off switch to steepen the falling edge. A high-voltage pulse quasi square wave with a certain f...
Diagnosis on the optical images of surface flashover discharge channel under pulsed voltage in air
Li Feng, Weng Weifeng, Jiang Jihao, Wang Meng, Wei Caihua
2018, 30: 105002. doi: 10.11884/HPLPB201830.170420
Abstract:
We investigated the discharge channel optical images of surface flashover on insulator under pulsed voltage in air. The CCD camera was used to diagnose the flashover characteristics of PMMA with finger electrodes in air. The experiments show that dis...
Breakdown jitter characteristics of small field distortion gas switch
Zhang Kaiye, Song Falun, Zhang Beizhen, Zhang Qi, Gan Yanqing, Gong Haitao, Jin Xiao
2018, 30: 105003. doi: 10.11884/HPLPB201830.180069
Abstract:
This paper presents the design of a repetitive frequency gas spark switch. The switch adopts a three-electrode field-distortion structure, which has the advantages of small size and compactness, and it can work at voltage 100 kV, current 10 kA. Exper...
Measurement of hard X-ray spectrum during wire array implosion on PTS
Zhang Siqun, Wang Kunlun, Li Jing, Yang Liang, Huang Xianbin
2018, 30: 105004. doi: 10.11884/HPLPB201830.180183
Abstract:
A 7-channel hard X-ray spectrometer was designed for measuring the photon energy distribution of the hard X-ray emitting from the loads used in Z-pinch experiments on PTS. In this paper, we present the measuring principle, configuration, measuring pa...
Accelerator Technology
Development of rotating coil measurement system for China Spallation Neutron Source
Zhou Jianxin, Kang Wen, Li Shuai, Yin Baogui, Wu Yuwen, Liu Yiqin, Wu Xi, Li Li, Deng Changdong
2018, 30: 105101. doi: 10.11884/HPLPB201830.180186
Abstract:
The China Spallation Neutron Source (CSNS) accelerator mainly consists of a linear accelerator, a 1.6 GeV rapid cycling synchrotron (RCS), a low energy transport line and a high energy transport line. A rotating coil measurement system was developed ...
Heavy ion medical machine synchrotron RF signal source design based on Field-Programmable Gate Array
Li Shilong, Cong Yan, Xu Shaofan, Zhang Ruifeng, Han Xiaodong, Yi Xiaoping
2018, 30: 105102. doi: 10.11884/HPLPB201830.180116
Abstract:
To meet the needs of different beam energy waveforms output of heavy ion medical machine (HIMM) synchrotron RF system, a synchronous signal source that can output different cavity voltage and bias current waveforms has been designed and realized. The...
Offline research of digital beam position monitor algorithm based on BEPC Ⅱ
Zhang Xing'er, Du Yaoyao, Zhang Qi, Wang Zhizhuo, Zhou Jiashen, Lan Qinghong, Huang Xiyang, Lu Yanhua, Liu Fang, Ma Huizhou, Ye Qiang, Sui Yanfeng, Yue Junhui, Cao Jianshe, Wei Shujun
2018, 30: 105103. doi: 10.11884/HPLPB201830.170523
Abstract:
The signal processing algorithm is one of the keys for digital beam position monitor(BPM) system. In order to optimize the digital BPM algorithm effectively, it is important and significant to research the BPM algorithm offline by using MATLAB. In th...
Slow extraction system for booster ring at HIAF
Ruan Shuang, Yang Jiancheng, Ren Hang, Liu Jie, Sheng Lina, Shen Guodong, Wang Ruliang, Du Heng, Ma Guimei
2018, 30: 105104. doi: 10.11884/HPLPB201830.180056
Abstract:
The HIAF (High Intensity heavy ion Accelerator Facility) project, proposed by the Institute of Modern Physics (IMP) of Chinese Academy of Sciences, has entered the preliminary design stage. As the key accelerator of the HIAF complex, the Booster Ring...
Structure design and optimization of a dump beam window
Nie Xiaojun, Liu Lei, Kang Ling, Chen Jiaxin, Wang Anxin, Yu Jiebing, He Huayan, Zhu Donghui
2018, 30: 105105. doi: 10.11884/HPLPB201830.180057
Abstract:
Dump beam window is an important part of the dump. The Gaussian distribution of energy was decided by the beam size and power. The energy deposition was calculated by the Monte Carlo method. The thermal steady-state analysis of ANSYS was applied to d...
Nuclear Science and Engineering
Latest progress of development of the neutral beam injection heating system on HL-2M Tokamak
Cao Jianyong, Wei Huiling, Liu He, Zou Guiqing, Yang Xianfu, Zhang Xianming, Tang Lixin, Luo Cuiwen, Yu Peixuan, Geng Shaofei, Zhou Hongxia, Zhou Bowen, Li Qing, He Feng, Luo Huaiyu, Zhou Jian, Ren Leilei, Pan Chunhua, Huang Gaoyang, Lei Guangjiu, Rao Jun, Duan Xuru
2018, 30: 106001. doi: 10.11884/HPLPB201830.180051
Abstract:
In order to carry out the physical experiment of magnetic confinement core combustion plasma, the HL-2M device under construction is intended to construct three 5 MW neutral beam injection heating lines. This paper briefly outlines the overall planni...
Coupled neutronics and thermal-hydraulics based on JMCT and FLUENT
Huang Huan, Huang Hongwen, Guo Haibing
2018, 30: 106002. doi: 10.11884/HPLPB201830.180012
Abstract:
A coupling interface between Monte Carlo neutron transport code JMCT2.2 and commercial CFD code FLUENT was developed by C++ language. The one-by-one mapping strategy that one cell in the MCNP model logically corresponded to the computational domain i...
Novel information theory based method of gamma-ray spectra identification
Yin Maowei, Ren Xuemei, Liao Peng, Ren Lixue
2018, 30: 106003. doi: 10.11884/HPLPB201830.180102
Abstract:
In this paper, a relative entropy based method is proposed to identify the gamma-ray spectra of radioactive sources. Firstly, Principal Component Analysis (PCA) algorithm is used to compress data and construct an eigenspace of the gamma-ray spectrum....
Applications of Laser and Particle Beams
A recognition and correction method of declining BGA X-ray image based on transformation matrix
Li Jingyuan, Fang Liyong, Hu Dongcai, Qi Xiaoshi
2018, 30: 109001. doi: 10.11884/HPLPB201830.180092
Abstract:
During the quality inspection of BGA solder balls based on X-ray images, existing image processing algorithm can not effectively deal with the images of unexpectedly inclined PCB. A method which could automatically judge the inclination of X-ray imag...
本期封面及目录
Cover and Contents, High Power Laser and Particle Beams, No 10, Vol 30, 2018
2018, 30: 1-2.