2018 Vol. 30, No. 6

Recommend Articles
Project Progress Report
10 kW-level pump-gain integrated functional laser fiber
Lin Aoxiang, Zhan Huan, Peng Kun, Wang Xiaolong, Ni Li, Wang Yuying, Li Yuwei, Liu Shuang, Sun Shihao, Jiang Jiali, Tang Xuan, Liu Yu, Jiang Lei, Yu Juan, Wang Jianjun, Jing Feng
2018, 30: 060101. doi: 10.11884/HPLPB201830.180110
Overview
Fundamentals of high-average-power fiber laser technology: Mode
Zhou Pu
2018, 30: 060201. doi: 10.11884/HPLPB201830.180087
Abstract:
Mode (transverse mode) is one of the key parameters, which could be deduced from the status of the fiber lasers with different mode properties. The relationship between mode and beam quality is analyzed by numerical calculations, based on which it is...
High Power Laser and Optics
Laterally graded periodic Mo/B4C multilayer for extreme ultraviolet wavelength of 6.8-11.0 nm
Zhu Jingtao, Li Miao, Zhu Shengming, Zhang Jiayi, Ji Bin, Cui Mingqi
2018, 30: 061001. doi: 10.11884/HPLPB201830.170492
Abstract:
Laterally graded periodic [Mo/B4C]60 multilayer mirrors for an EUV interval of 6.8-11.0 nm were deposited by direct current magnetron sputtering on silicon substrate. The structure properties and performance of laterally graded [Mo/B4C]60 multilayers...
Tracking of infrared dim small target in complex sky background
Zhao Dong, Zhou Huixin, Yu Junna, Wang Shicheng, Qin Hanlin, Cheng Kuanhong
2018, 30: 061002. doi: 10.11884/HPLPB201830.170511
Abstract:
The complex sky cloud background edge and infrared dim small target cannot be distinguished using traditional tracking algorithms, and the "deviation" problem is produced when tracking the target. To solve this problem, this paper proposes a target t...
ICF and Laser Plasma
Two parameter optimization methods for large aperture mirror
Shen Zhanpeng, Chen Xiaojuan, Chen Xueqian, Fan Xuanhua
2018, 30: 062001. doi: 10.11884/HPLPB201830.180011
Abstract:
Much deformation of the large aperture mirror by deadweight leads to large PV (peak-to-valley) value of its aperture surface, and it is hard to ensure the point accuracy on laser beams of optical facility. Finite element model is built up to calculat...
Optical design of Wolter X-ray microscope for laser plasma diagnostics
Li Yaran, Xie Qing, Chen Zhiqiang, Xin Qiuqi, Mu Baozhong
2018, 30: 062002. doi: 10.11884/HPLPB201830.170440
Abstract:
Based on the urgent need of conducting imaging diagnostics of dense laser-produced plasma, we present the optical system design of Wolter type X-ray microscope based on Abbe's sine condition. This paper details the structural features and optical des...
Restraining mid-spatial-frequency error of large-size off-axis parabolic mirrors by multi-tool NC polishing
Li Zhigang, Bao Zhenjun, Zhu Heng, Cai Hongmei, Zhou Heng
2018, 30: 062003. doi: 10.11884/HPLPB201830.170457
Abstract:
The mid-spatial-frequency error (MSFR) of large aperture aspherical optical elements have a direct influence on the precision of the beam diffusion function and the energy scattering of the high energy laser. To solve this problem, we put forward a k...
High Power Microwave
Analysis for pattern of reflector antenna with physical optics method
Wang Lulu, Huang Wenhua, Zhang Yonghua, Fang Wenrao
2018, 30: 063001. doi: 10.11884/HPLPB201830.170463
Abstract:
Analysis for the radiation pattern of antennas with physical optics method is now widely used in the calculation for far field pattern of reflector antennas, which has fast computing speed and low memory requirements. The expression to calculate the ...
Influence of pulse interval on thermal damage process of PIN limiter
Wang Ming, Ma Hongge
2018, 30: 063002. doi: 10.11884/HPLPB201830.170426
Abstract:
Based on the device physics simulation, focusing on the influence of pulse interval on thermal damage process of PIN limiter, the peak temperature of combined pulses with different pulse interval from 1 to 20 ns is studied. Numerical simulation resul...
Investigations on TE01 circular waveguide mode transducer
Zhang Qiang, Yuan Chengwei, Chen Jun, Yu Longzhou, Zhao Xuelong
2018, 30: 063003. doi: 10.11884/HPLPB201830.170462
Abstract:
The design methodologies, numerical results for TE01 circular waveguide mode transducer were reported. It is shown that, TE01 circular waveguide mode can realize high transmission efficiency in a wide band by utilizing travelling wave power divide st...
Ka-band wideband harmonic-suppression directional coupler
Bao Xin, Zhang Dewei, Deng Hailin, Lü Dalong, Zhang Yi
2018, 30: 063004. doi: 10.11884/HPLPB201830.170405
Abstract:
In order to solve the problem that the traditional directional coupler has a narrow bandwidth and is greatly influenced by harmonic signals, this paper presents a broadband directional coupler with the function of harmonic suppression. The directiona...
Monte Carlo simulation of a novel multipacting cathode
Dong Ye, Liu Qingxiang, Li Xiangqiang, Zhou Haijing, Dong Zhiwei
2018, 30: 063005. doi: 10.11884/HPLPB201830.170431
Abstract:
In this paper, a novel high current diode with multipacting cathode is studied and verified by using simplified dynamic theory and Monte Carlo simulation. Firstly, based on the design-prototype and the emission characteristics of secondary electron, ...
Error analysis of microwave power measurement instruments
Wang Jianshu, Zheng Kun, Wang Honggang, Ge Xingjun, Yuan Chengwei, Li Jie
2018, 30: 063006. doi: 10.11884/HPLPB201830.170455
Abstract:
Power meters, oscilloscopes, detectors, and vector network analyzers are commonly used in microwave measurements. The introduced errors by these instruments have direct impact on the measurement accuracy. In this paper, the measurement methods of pow...
Periodic permanent focusing magnet of relativistic klystron
Wei Yuanzhang, Li Shifeng, Wang Zhanliang, Huang Hua, Liu Zhenbang, He Hu, Gong Yubin
2018, 30: 063007. doi: 10.11884/HPLPB201830.170468
Abstract:
In order to explore the miniaturized relativistic klystron amplifier(RKA), we develop the theoretical analysis and simulation on the periodic permanent magnet (PPM) of the coaxial RKA. The Halbach arrays are applied to this PPM system and generate pe...
Design and implementation of data acquisition system for high power microwave remote measurement
Liu Min, Yan Feng, Zhuang Qinghe, Xiong Zhengfeng, Hao Wenxi, Yang Wensen
2018, 30: 063008. doi: 10.11884/HPLPB201830.170461
Abstract:
In order to detect microwave pulse parameters at aerial target areas (tens of meters to hundreds of kilometers)of a certain type high power microwave radiation system, a data acquisition system whose structure is simple and compact for high power mic...
Simulation research of three-phases AC/AC converter based on AC-link parallel resonance
Bu Lang, Liu Qingxiang, Wang Bangji, Zhang Zhengquan, Li Wei
2018, 30: 063009. doi: 10.11884/HPLPB201830.170458
Abstract:
Charging power supply based on AC-link has the advantage of high power density and can be used for primary energy source of high-power microwave (HPM) system. In order to meet the requirement of high power density, a three-phase AC/AC converter based...
Comparative study of electron seeding in multipactor test
Wang Xinbo, Cui Wanzhao, Wei Huan, He Yun, Sun Qinfen
2018, 30: 063010. doi: 10.11884/HPLPB201830.170310
Abstract:
Aiming at improving the effectiveness of the experimental multipactor tests, three different methods of electron seeding based on radioactive sources, ultra violet light sources and electron gun are investigated. Advantages and application range of t...
Terahertz Technology
THz hybrid metal-plasma Yagi antenna with right-angle reflector
Song Zhe, Liu Yubao, Zhao Xinyue, Ruan Jiufu, Yin Zhiping
2018, 30: 063101. doi: 10.11884/HPLPB201830.180015
Abstract:
A new kind of THz hybrid metal-plasma Yagi antenna has been proposed on the basis of plasma antenna to meet the requirements of good directivity and high gain, in which reflection oscillator is replaced by right-angle reflector. The structure is desi...
Complex Electromagnetic Environment
Analysis and optimization of cross section of metal space frame bars in radome
Xin Zeyu, Zhou Dongfang, Liu Qikun, Yu Daojie, Lü Pu
2018, 30: 063201. doi: 10.11884/HPLPB201830.170479
Abstract:
Based on the polarization decomposition theory, the scattering field of the bar of the metal space frame is analyzed. The mechanical strength and scattering characteristics of the cylindrical bar and the rectangular bar are compared. Considering the ...
Research on realization method of radar electronic warfare composable simulation
Guo Jinliang, Fu Shuqin, Li Xiaoyan, Yuan Lu
2018, 30: 063202. doi: 10.11884/HPLPB201830.170365
Abstract:
Aiming at the develop requirement of the radar EW(electronic warfare) simulation under the complex electromagnetic environment, the method of radar EW composable simulation was brought up. This paper expounds the basic theory of composable simulation...
Particle Beams Technology
Simulation of imaging ability of 11 MeV proton radiography with energy-loss imaging lens
Lu Yaxin, Li Yiding, Wei Tao, Yang Guojun, Zhang Kaizhi, Long Quanhong, Ma Chaofan
2018, 30: 064001. doi: 10.11884/HPLPB201830.170414
Abstract:
Energy loss and scattering angle of penetrating protons are main sources of image blur for proton radiography (PRAD). PRAD relying on Zumbro lens can basically eliminate the image blur caused by scattering angle and achieve spatial resolution of seve...
Simulation study of secondary electron effect of proton beam bombardment on metallic target surface
Meng Xiaohui, Dong Zhiwei
2018, 30: 064002. doi: 10.11884/HPLPB201830.170498
Abstract:
Using the technique of Particle-In-Cell to simulate the secondary electron effect of proton beams bombarding the target surface, we obtained the results of the quality of proton beams and the quantity of secondary electrons affected by the extracted ...
Micro-nano Technology
Common ground inductance effect in combined acoustic-electromagnetic simulation of bulk acoustic wave filter
Gao Yang, Jia Le, Zhang Dapeng
2018, 30: 064101. doi: 10.11884/HPLPB201830.180006
Abstract:
Aiming at the phenomenon that left transmission zero of bulk acoustic wave(BAW) filter has a leftward deviation in combined acoustic-electromagnetic simulation, we verified the existence of common inductance effect in simulation and analyzed the infl...
Pulsed Power Technology
Pre-pulse mechanism and effects of parameters in semiconductor opening switches
Hao Yong, Li Yongdong, Ding Zhenjie, Wang Hongguang, Fang Xu
2018, 30: 065001. doi: 10.11884/HPLPB201830.170516
Abstract:
As the key components of all solid-state pulse sources, semiconductor opening switches have the advantages of high frequency, long life, fast interruption, and large power capacity. The pre-pulse in output pulse voltage of semiconductor opening switc...
Two dimensional elastoplastic MHD numerical simulation
Kan Mingxian, Wang Ganghua, Xiao Bo, Duan Shuchao, Yang Long
2018, 30: 065002. doi: 10.11884/HPLPB201830.170306
Abstract:
In magnetically driven experiments, such as solid liner implosion, magnetically driven flyer plate emission and magnetically driven quasi-isentropic/impulse compression, the metal starts from a solid phase and gradually turns into liquid phase by ohm...
Design and experimental research of high power repetitive pulse charging power supply
Gan Yanqing, Song Falun, Li Fei, Luo Guangyao, Zhang Beizhen, Wang Ganping, Gong Haitao, Jin Xiao
2018, 30: 065003. doi: 10.11884/HPLPB201830.170335
Abstract:
Based on the need of high power repetitive pulse power source, the repetitive frequency characteristics of high power pulse charging power supply are studied in this paper. The constant current charging technology based on the full bridge series reso...
Accelerator Technology
Realignment of MSE3 of separated sector cyclotron
Yuan Jiandong, Ma Lizhen, Zhang Xiaoqi, Zhang Bin, Cai Guozhu, Yang Peng, Wang Shaoming, Chen Wenjun, Xu Xiaowei, Zhao Bo, Jin Xiaofeng
2018, 30: 065101. doi: 10.11884/HPLPB201830.170214
Abstract:
Due to the small space and invisibility in MSE3, the alignment of MSE3 of separated sector cyclotron remains a longstanding challenging for the aligned personnel. Coupled with the compressed time, to quickly and accurately find MSE3's fault and reali...
Nuclear Science and Engineering
Numerical calculation of detection efficiency of response functions of Segmented Gamma Scanning system
Yan Yucheng, Liu Mingzhe, Fu Yu, Li Wenzhong, Yan Zelin
2018, 30: 066001. doi: 10.11884/HPLPB201830.170245
Abstract:
The research of Segmented Gamma Scanning(SGS) technique is mainly focused on two aspects: self-absorption correction of waste drum and efficiency calibration of the system. For the purpose of self-absorption correction, it is necessary to calculate t...
Error analysis of reactivity measurement with reactor oscillator method
Duan Zhiwei, Yin Yanpeng, Zheng Chun
2018, 30: 066002. doi: 10.11884/HPLPB201830.170382
Abstract:
The reactor oscillator method is a method for measuring small reactivity, its measurement precision is related to the selection of experimental conditions. In order to select the optimal conditions of experiment, several major factors which affect me...
Applications of Laser and Particle Beams
Simulation and experimental investigation on nano-second pulsed laser drilling of titanium alloy
Liu Dan, Kong Dexin, Miao Zaiqiang, Zhang Xin
2018, 30: 069001. doi: 10.11884/HPLPB201830.170386
Abstract:
To describe morphological changes in the drilling hole and simulate the temperature distribution during nanosecond laser drilling, a physical model of titanium nanosecond-pulsed laser drilling was established and programmed using ANSYS Parametric Des...
Analysis on flow characteristics of vortex wave flow field within symmetric channel using proper orthogonal decomposition technology
Liu Ge, Deng Yangqin, Jin Xing, Chen Bin
2018, 30: 069002. doi: 10.11884/HPLPB201830.170480
Abstract:
The vortex wave flow field of symmetric channel has a wide range of applications in industrial mass transfer and heat transfer. To further analyze the flow characteristics and variation laws of the vortex wave flow field within symmetric channel unde...
本期封面及目录
Cover and Contents, High Power Laser and Particle Beams, No 6, Vol 30, 2018
2018, 30: 060000.