2020 Vol. 32, No. 7

Recommend Articles
Overview of development of microwave power amplifiers
Li Jianbing, Lin Pengfei, Hao Baoliang, Sun Jianbang
2020, 32: 073001. doi: 10.11884/HPLPB202032.200095
Research on several test issues of electromagnetic radiation susceptibility for electronic equipment
Pan Xiaodong, Wei Guanghui, Wan Haojiang, Lu Xinfu, Zhao Kai
2020, 32: 073002. doi: 10.11884/HPLPB202032.200088
Influence of nitrogen ion implantation on surface charge accumulation and dissipation of polytetrafluoroethylene
Liu Chang, Song Falun, Zhu Mingdong, Li Chunxia, Zhang Beizhen, Li Fei, Wang Ganping, Gong Haitao, Gan Yanqing, Jin Xiao
2020, 32: 075001. doi: 10.11884/HPLPB202032.200045
Cover and Contents
Cover and Contents, High Power Laser and Particle Beams, No 7, Vol 32, 2020
Editorial Office
2020, 32: 1-2.
High Power Laser Physics and Technology
Principle study on exposure technique for double pulse high speed imaging based on direct control of CCD driving electrodes
Jiang Xiaoguo, Yang Xinglin, Yang Guojun, Zhang Xiaoding, Li Yiding, Li Hong, Jiang Wei, Wei Tao
2020, 32: 071001. doi: 10.11884/HPLPB202032.200012
Abstract:
Charge coupled device(CCD) is one kind of photoelectric solid-state imaging device with excellent performance. It has the features of large array and good image quality. Working under very complex driving timing, it usually has low frame frequency an...
Impact of annealing on laser resistance of HfO2 films fabricated byALD, IBS and EBE techniques
Liu Hao, Ma Ping, Pu Yunti, Zhao Zuzhen
2020, 32: 071002. doi: 10.11884/HPLPB202032.200006
Abstract:
Annealing is one of the most accessible post-treatment techniques in high power laser coatings, however, the impact of annealing on laser resistance of the coatings is not clear until today. In this experiment, HfO2 films have been prepared by EBE, I...
Diffuser that can simulate different background pressure
2020, 32: 071003. doi: 10.11884/HPLPB202032.190474
Abstract:
To study the pressure recovery ability of the diffuser of chemical lasers, an equipment that can simulate different background pressure is designed. The simulated background pressure can be changed by changing the valve’s pass area. The influence of ...
Experimental investigation on cooling uniformity of open single nozzle spray
Yang Chunguang, Zhang Hao, Liu Jun
2020, 32: 071004. doi: 10.11884/HPLPB202032.200021
Abstract:
Aiming at the requirements of efficient heat dissipation and uniform cooling for high heat flux laser medium, an experimental platform of open single nozzle spray was designed and established by using the deionized water as cooling medium. The spray ...
Research on fiber coupling of multi-single emitters diode laser based on beam filling
Yang Yifei, Qin Wenbin, Liu Youqiang, Zhao Fan, Li Jing, Zhao Ming, Lan Tian, Wang Zhiyong
2020, 32: 071005. doi: 10.11884/HPLPB202032.200007
Abstract:
To further improve the output power of the multi-single emitters diode laser, based on the analysis of the common stepped multi-single emitters diode laser array, this paper proposes to fill the beam in the slow axis direction with small spot size, a...
Electric field enhancement effect and damage characteristics of nodular defect in 45° high-reflection coating
Pan Shunmin, Wei Yaowei, An Chenhui, Luo Zhenfei, Wang Jian
2020, 32: 071006. doi: 10.11884/HPLPB202032.200028
Abstract:
Nodular defect is one of the most common defects that affect the laser damage resistance of optical thin films. It has been an important research object in the field of high power laser thin films at home and abroad. 45° multilayer mirrors with a cen...
Analysis of thermal effect on explosives of single-pulse femtosecond laser ablation
Liu Jiaxi, Wu Junying, Yang Lijun, Li Yaojiang, Wu Jiaojiao, Lu Jianying, Chen Lang
2020, 32: 071007. doi: 10.11884/HPLPB202032.200061
Abstract:
Femtosecond laser can ablate explosives to generate a high-temperature, high-pressure plasma in extremely short time. The femtosecond laser can be used to precisely process energetic materials or assemblies containing energetic materials. Deep unders...
Laser beam coherence and divergence angle complex controlling technique
Ni Xiaolong, Zhu Xufang, Yu Xin, Yao Haifeng, Chen Chunyi, Liu Zhi
2020, 32: 071008. doi: 10.11884/HPLPB202032.200078
Abstract:
To reduce the complexity and cost of partially coherent optical system, increase the convenience of partially coherent laser beam application, in this paper, we presents a method to control the coherence and divergence angle of laser beam complexly, ...
Inertial Confinement Fusion Physics and Technology
Dynamic modeling on a linear rolling guide based on thin layer element and spring element
Chen Xueqian, Shen Zhanpeng, Elin Zhongyang, Fan Xuanhua
2020, 32: 072001. doi: 10.11884/HPLPB202032.200069
Abstract:
The guide-slider joint of the transmission mechanism with a long stroke has a great effect on the dynamic characteristic of the structure. Aiming at the dynamic modeling on the joint part of the LM linear rolling guide in some large laser facility, t...
Suppression of higher diffraction orders using quasiperiodic array of rectangular holes with large size tolerance
Wei Lai, Chen Yong, Wang Shaoyi, Fan Quanping, Zhang Qiangqiang, Zhang Zhong, Wang Zhanshan, Cao Leifeng
2020, 32: 072002. doi: 10.11884/HPLPB202032.200117
Abstract:
Advances in basic and applied research of conventional grating have been attracting much attention from optical engineering community. However, the higher orders diffraction contamination degrades the spectral purity obtained by conventional gratings...
High Power Microwave Technology
Overview of development of microwave power amplifiers
Li Jianbing, Lin Pengfei, Hao Baoliang, Sun Jianbang
2020, 32: 073001. doi: 10.11884/HPLPB202032.200095
Abstract:

Microwave power amplifiers are divided into vacuum and solid devices. This paper analyzes the principles, advantages and disadvantages of these two types of devices, and then introduces their development history, current technical research status and...

Research on several test issues of electromagnetic radiation susceptibility for electronic equipment
Pan Xiaodong, Wei Guanghui, Wan Haojiang, Lu Xinfu, Zhao Kai
2020, 32: 073002. doi: 10.11884/HPLPB202032.200088
Abstract:
According to the practical problem that some electronic equipments still exist electromagnetic incompatibility phenomenon in training and fighting stage after passing the normal electromagnetic compatibility test required by National Military Standar...
Analysis of safety threat from high electromagnetic pulses and power protection research of vehicle electronic control unit
Zheng Haoyue, He Yu, He Xiaodong, Yang Siqian, Wu Qi, Yang Dong
2020, 32: 073003. doi: 10.11884/HPLPB202032.200092
Abstract:
By coupling with cables, the high electromagnetic pulse poses a serious threat to the electronic control unit of vehicle platform, which affects the performance of the vehicle. Based on a typical vehicle platform, the effect mechanism of electronic c...
Electromagnetic environment effects of vehicle ignition pulses on shortwave radio receivers
Le Bo, Liu Zhong, Hou Zhilin, Cao Chunxia
2020, 32: 073004. doi: 10.11884/HPLPB202032.190441
Abstract:
To evaluate Electromagnetic Environment Effects (E3) of the vehicle ignition pulses on High Frequency Receiving Station (HFRS), a model of the vehicle ignition circuit has been analyzed, and frequency spectrums of the noises induced by a car and a tr...
Particle Beams and Accelerator Technology
Design and implementation of digital delay and pulse generator of BEPC II linear accelerator
Yang Jing, Cao Jianshe, Du Yaoyao, Wang Lin, Ma Yufei, Zhang Xing’er, Ye Qiang, Ma Huizhou, Wei Shujun, Yue Junhui, Sui Yanfeng
2020, 32: 074001. doi: 10.11884/HPLPB202032.200018
Abstract:
A digital delay and pulse generator with high precision delay control, short rise time and flexible parameter adjustment is designed to meet the needs of BPM electronics for external trigger signals in the process of upgrading the BEPC II linear acce...
Signal processing algorithm optimization of bunch-by-bunch phase measurement system for storage ring
Zhou Yimei, Leng Yongbin, Xu Xingyi, Gao Bo, Cao Shanshan
2020, 32: 074002. doi: 10.11884/HPLPB202032.200033
Abstract:
To further improve the accuracy of phase measurement, the Shanghai Synchrotron Radiation Facility (SSRF) Beam Instrumentation (BI) Group proposed a new signal processing method, the correlation function method, based on the bunch-by-bunch phase measu...
Pulsed Power Technology
Influence of nitrogen ion implantation on surface charge accumulation and dissipation of polytetrafluoroethylene
Liu Chang, Song Falun, Zhu Mingdong, Li Chunxia, Zhang Beizhen, Li Fei, Wang Ganping, Gong Haitao, Gan Yanqing, Jin Xiao
2020, 32: 075001. doi: 10.11884/HPLPB202032.200045
Abstract:
To suppress the accumulation of charge on the surface of polytetrafluoroethylene (PTFE) material, radio frequency nitrogen plasma was generated to perform plasma immersion ion implantation (PIII) on the PTFE surface to improve its surface properties....
Influence of metal surface electrodeposited polymer film on threshold of vacuum breakdown
Hu Xianggang, Su Jiancang, Zhang Yu, Zhu Xiaoxin, Li Xiaoze, Tan Weibing, Zhang Ligang
2020, 32: 075002. doi: 10.11884/HPLPB202032.190439
Abstract:
It is of great significance for the development and application of pulse power technology to explore ways to improve the vacuum breakdown threshold of metal surface. Based on the theoretical analysis of electron on metal surface, the variation of sur...
Design of square pulse forming network with adjacent mutual coupling inductors
Wang Chuanwei, Li Hongtao
2020, 32: 075003. doi: 10.11884/HPLPB202032.190429
Abstract:
Considering the application requirement of compact and miniaturized pulse source, the design technique of the quasi-square wave pulse forming network with adjacent mutual coupling inductors is studied. Firstly, the network optimization technique base...
Research on high voltage energy storage power supply of pulse plasma thruster based on LCC-LC resonant converter
Qian Litao, Wang Deyu, Yu Jianping, Zhao Qinglin
2020, 32: 075004. doi: 10.11884/HPLPB202032.200074
Abstract:
This paper studies a new type of LCC-LC resonant converter for the application background of high voltage storage capacitor charging of pulsed plasma thruster (PPT). While keeping the basic characteristics of LCC resonant network, the converter is pr...
3D particle-in-cell simulations of current convolute structure on pulsed power facility using NEPTUNE3D
Zhao Hailong, Dong Ye, Zhou Haijing, Wang Ganghua, Wang Qiang
2020, 32: 075005. doi: 10.11884/HPLPB202032.200066
Abstract:
As electron transportation in vacuum convolute structure plays a quite important role during current converging process on pulsed power facility, fully three-dimensional (3D) particle-in-cell (PIC) simulations are performed using NEPTUNE3D code to ex...
Simulation and experimental study on high velocity control of armature in bore
Wang Zhenchun, Dong Zonghao, Bao Zhiyong, Zhang Yuting, Liu Fucai
2020, 32: 075006. doi: 10.11884/HPLPB202032.200020
Abstract:
During the launching of electromagnetic railgun, movement of the armature will be influenced by many factors, such as electromagnetic force, armature initial positive pressure, friction force, air resistance and electrical erosion resistance when the...