2015 Vol. 27, No. 12

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High power fiber end-cap with 6 kW output power
Zhou Xuanfeng, Chen Zilun, Hou Jing, Wang Zefeng, Xu Xiaojun
2015, 27: 120101. doi: 10.11884/HPLPB201527.120101
Abstract:
High power fiber end-cap is an essential component for kW-level fiber lasers, the key technique of which is the splicing of fiber end-caps with low loss and high tension strength. Due to the huge difference of the diameters of fiber and large-size en...
Fabrication of 2.5 THz quantum cascade laser
Wang Xuemin, Shen Changle, Jiang Tao, Zhan Zhiqiang, Li Weihua, Peng Liping, Deng Qinghua, Fan Long, Wang Xinming, Yan Dawei, Zhao Yan, Wu Weidong, Tang Yongjian
2015, 27: 120102. doi: 10.11884/HPLPB201527.120102
Abstract:
Based on bound-to-continuum intersubband transition, the 2.5 THz quantum cascade laser with a continuous-wave (CW) output power of several mW is achieved. The lasing frequency of the device can be tuned by changing the applied current. The device sho...
Review of high-frequency field-to-line coupling models with multi-conductor transmission line
Zhao Xiang, Yan Qilin, Yan Liping
2015, 27: 120201. doi: 10.11884/HPLPB201527.120201
Abstract:
Field-to-line coupling model research is an important part of electromagnetic compatibility analysis and electromagnetic effects assessment. At low frequency, the classical field-to-line model based on quasi-TEM wave approximation can be used to calc...
Research development on conceptual design of subcritical blanket driven by magnetic fusion reactor
Huang Hongwen, Peng Shuming, Li Zhenghong, Qian Dazhi, Ma Jimin, Guo Haibing, Liu Zhiyong, Zeng Herong, Wang Shaohua
2015, 27: 120202. doi: 10.11884/HPLPB201527.120202
Abstract:
In order to achieve tritium self-sustaining and energy amplification of the magnetic confinement fusion reactors, sub-critical blanket and tritium breeding blanket were set around the plasma region. We adopted natural uranium alloy as fuel, light wat...
Controlling technology of temperature field for absorbers of gilded-reflection-cone high energy laser energy meter
Wei Jifeng, Lu Fei, Jiang Zhixiong, Chang Yan, Zhou Wenchao, Zhou Shan, Hu Xiaoyang
2015, 27: 121001. doi: 10.11884/HPLPB201527.121001
Abstract:
High energy laser will sharply increase the surface temperature of the absorbers until the surfaces of them are damaged, meanwhile, there is a large temperature gradient for a long time, which makes it difficult to accurately measure the temperature ...
COIL operation process monitoring by kernel principal component analysis
Wang Gang, Gao Peiliang, Lin Fanghua, Xie Xiangyun, He Xin
2015, 27: 121002. doi: 10.11884/HPLPB201527.121002
Abstract:
A laser output process monitoring method for the chemical oxygen iodine laser (COIL) is proposed based on the kernel principal component analysis (KPCA), which is well suit for the analysis of stable non-linear process. Based on the expansion of norm...
Improvement of film thickness uniformity in meniscus coating
Lin Jiping, Liu Zhengkun, Hong Yilin, Jiang Xiaolong, Qiu Keqiang, Liu Ying, Xu Xiangdong, Fu Shaojun
2015, 27: 121003. doi: 10.11884/HPLPB201527.121003
Abstract:
It is difficult to coat photoresist uniformly on large plates for diffraction optics component fabrication. The relationship between photoresist thickness and scan velocity is experimentally explored by a small meniscus coating applicator. Aside from...
Detecting approximately-circular object in image
You Anqing, Wang Lei, Zhang Rong, Song Haifeng
2015, 27: 121004. doi: 10.11884/HPLPB201527.121004
Abstract:
A method is introduced for detecting approximately-circular object in infrared image by using the multi-feature joint probability. Bending direction of short-length curves in the image is calculated to get the directing probability of circles existin...
Broadly tunable MgO: PPLN mid-infrared OPO synchronously pumped by Innoslab amplifier
Han Kezhen, Li Jing, Ning Jian, Hou Jia, Zhang Baitao, He Jingliang
2015, 27: 121005. doi: 10.11884/HPLPB201527.121005
Abstract:
In this paper, we demonstrated a broadly tunable MgO:PPLN mid-infrared optical parametric oscillator(OPO) synchronously pumped by a picosecond(ps) Innoslab amplifier. The signal wavelength tuning range from 1415 nm to 1557 nm and idler from 3362 nm t...
Natural convection flow in a liquid tank induced by laser irradiation
Jiao Luguang, Zhao Guomin, Li Junshen, Chen Minsun, Yang Zaifu
2015, 27: 121006. doi: 10.11884/HPLPB201527.121006
Abstract:
Liquid tank is a potential part irradiated by laser in laser-matter interaction research. In this paper, laser irradiation effects on a water tank were investigated by experiments and numerical simulations on the condition that the water was in a nat...
Simulative investigation of the threshold characteristics of CW pumped four-level XPAL system
Huang Wei, Tan Rongqing, Li Zhiyong, Lu Xiaochuan
2015, 27: 121007. doi: 10.11884/HPLPB201527.121007
Abstract:
This paper presents a continuous wave exciplex pumped alkali laser (XPAL) four-level theoretical model ,which can simulate the pump threshold. The model is based on rate equation and calculated by the iterative algorithm. The pump threshold character...
Adaptive tool path of magnetorheological polishing based on discrete gradient clustering
Jia Yang, Ji Fang, Zhang Yunfei, Huang Wen
2015, 27: 121008. doi: 10.11884/HPLPB201527.121008
Abstract:
To solve the problem that tool paths will bring iterative errors in the process of magnetorheological polishing, an adaptive polishing path method is proposed, in which the step size can be adjusted according to the optical surface gradient. Firstly,...
Design and application of Ross filter spectrometer covering 18-88 keV
Zheng Jianhua, Yan Ji, Wei Minxi, Jiang Shaoen
2015, 27: 122001. doi: 10.11884/HPLPB201527.122001
Abstract:
A Ross filter spectrometer, consisting of 7 energy channels and covering 18-88 keV energy range, was designed by calculation with the optimization goal of band-pass flat response, in which the residual response, relative error outside the energy chan...
Light deflection of ultrahigh temporal resolution optical scanning module
Wei Huiyue, Xu Tao, Li Yulong, Wang Feng, Li Nan, Peng Xiaoshi
2015, 27: 122002. doi: 10.11884/HPLPB201527.122002
Abstract:
The studies of inertial confinement fusion (ICF) propose increasing demands for high precision detection devices. This paper is mainly about the studies on a novel optical streak camera with ultrahigh time resolution based on the photo-generated carr...
Influence of front-surface mitigation pits on distribution of light intensity inside KDP crystal
Chen Mingjun, Hu Kehui, Cheng Jian, Xiao Yong, Ma Wenjing
2015, 27: 122003. doi: 10.11884/HPLPB201527.122003
Abstract:
Micro-machining is the most effective method for KDP crystal to mitigate the surface damage growth in high power laser systems. In this work, spherical and Gaussian mitigation pits are fabricated by micro-milling with an efficient machining procedure...
Influence of pressure on structure and properties of hollow glass microspheres
Xu Wei, Wang Tao, Wu Zhangwen, He Zhibing
2015, 27: 122004. doi: 10.11884/HPLPB201527.122004
Abstract:
By using chemical vapor deposition-depolymerizable mandrel method, hollow glass microspheres for inertial confinement fusion targets were fabricated at different coating pressure. Surface roughness, sphericity, wall thickness uniformity and compositi...
Effect of inert gas on radicals during diamond film being deposited by HFCVD
Fan Yongzhi, Wang Chuanxin, Yi Cheng, Dai Kai, Ma Zhibin, Wang Shenggao, Wu Chao
2015, 27: 122005. doi: 10.11884/HPLPB201527.122005
Abstract:
The optical emission spectroscopy(OES) is an effective method for plasma diagnosing. In this article, OES was used to in situ measure the hot filament chemical vapor deposition(HFCVD) plasma of acetone/H2 system, acetone/H2/He system and acetone/H2/A...
Soft X-ray energy corresponding of CsI(Tl) scintillator
Wang Jing, Su Ming, Yang Zuhua, Zhang Wenhai, Zhang Xing, Xie Xufei, Yang Guohong, Liu Shenye, Yang Jiamin, Jiang Shaoen, Wei Minxi
2015, 27: 122006. doi: 10.11884/HPLPB201527.122006
Abstract:
The CsI(Tl) scintillator is a key part for the transition from X-ray to visible light in X-ray detectors, which is of crucial importance in X-ray diagnosis for inertial confined fusion. Geant4 is used to imitate the mechanism of the energy deposition...
Effect of Tween 20 nonionic surfactant on preparation of large size double-layer hollow microspheres
Su Lin, Li Jie, Chu Qiaomei, Liu Yiyang, Liu Meifang, Li Jing, Zhang Zhanwen, Li Bo
2015, 27: 122007. doi: 10.11884/HPLPB201527.122007
Abstract:
The investigation of the preparation technique of polymeric hollow microsphere is very important for the fuel container of inertial confinement fusion (ICF). The 1% of Tween 20 (T-20) nonionic surfactant is used to modify ozonated polystyrenes micros...
Effect of radial polarization modulation on smoothing and polarization properties of focal speckle
Ren Guangsen, Sun Quan, Wu Wuming, Ning Yu, Chen Qianrong, Zhang Wenpan
2015, 27: 122008. doi: 10.11884/HPLPB201527.122008
Abstract:
Numerical calculation model of beam smoothing is established based on scalar diffraction theory. The model takes account of smoothing by spectral dispersion (SSD), random phase plate (RPP), and polarization smoothing (PS). Effect of radial polarizati...
Two novel broadband couplers in W band for sheet beam travelling wave tube
Yang Liya, Wang Jianxun, Yao Yelei, Liu Guo, Shu Guoxiang, Zheng Yuan, Luo Yong
2015, 27: 123001. doi: 10.11884/HPLPB201527.123001
Abstract:
Two input/output couplers consisting of multiple apertures in E plane and H plane are designed and analyzed for a W-band broadband sheet beam traveling wave tube (TWT). Multi-apertures are adopted in the couplers to separate the electromagnetic field...
Circular waveguide TE11-HE11 mode transducing antenna loaded with radial double mediums
Zhang Xin’ge, Li Shaofu, Zhang Keyu
2015, 27: 123002. doi: 10.11884/HPLPB201527.123002
Abstract:
A circular waveguide TE11-HE11 mode transducing antenna loaded with radial double mediums is reported based on measurements and simulations. The mode transducing antenna includes a novel broadband circular waveguide TE11-HE11 mode converter and a rad...
An improved computer-aided tuning method for microwave filters
Zhang Yongliang, Su Tao, Wu Bian, Yan Jiaxin
2015, 27: 123003. doi: 10.11884/HPLPB201527.123003
Abstract:
The traditional diagnosis and tuning method for microwave filter only extract, the equivalent circuit parameters, but not the tuning magnitude. The couplings between the tuning elements are not considered, and it is very inefficient. In order to diag...
Design of iris cavity for TE02 mode W-band third harmonic gyrotron
Sun Dimin, Ma Guowu, Huang Yinhu, Zhuo Tingting, Chen Hongbin
2015, 27: 123004. doi: 10.11884/HPLPB201527.123004
Abstract:
The design of an iris cavity for a W-band third harmonic gyrotron is presented. The gyrotron is designed to operate at the low loss, circular symmetric TE02 mode. The minimum start current is 2.9 A and the ohmic efficiency is 67%. When the gyrotron i...
A dual-branch vector synthesis millimeter-wave predistortion linearizer
Deng Hailin, Zhang Dewei, Zhou Dongfang, Li Wenchao, Lv Dalong, Zhan Li
2015, 27: 123005. doi: 10.11884/HPLPB201527.123005
Abstract:
In view of the strong correlation between amplitude and phase characteristics of Traveling Wave Tube Amplifier (TWTA) analog predistortion technology, a dual-branch vector synthesis predistortion linearizer is proposed, which consists of branch line ...
A dual-branch vector synthesis millimeter-wave predistortion linearizer
Deng Hailin, Zhang Dewei, Zhou Dongfang, Li Wenchao, Lv Dalong, Zhan Li
2015, 27: 123006. doi: 10.11884/HPLPB201527.123006
Abstract:
In view of the strong correlation between amplitude and phase characteristics of Traveling Wave Tube Amplifier (TWTA) analog predistortion technology, a dual-branch vector synthesis predistortion linearizer is proposed, which consists of branch line ...
Minimizing the impact of ground reflection on high power microwave E-field measurement

Jiang Tingyong, Gao Lin, Liu Xiaolong, Ning Hui
2015, 27: 123007. doi: 10.11884/HPLPB201527.123007
Abstract:
This paper presents a new measuring method of minimizing the impact of ground reflection on the microwave electronic field measurement using double antenna array. The character of ground reflection is studied using the electromagnetic geometric optic...
Electron energy deposition in RBWO collector
Zhang Liang, Ma Tengyue, Yang Ning, Hu Pan, Song Wei, Liang Yuqin
2015, 27: 123008. doi: 10.11884/HPLPB201527.123008
Abstract:
In the circular symmetrical magnetic field, the annular electron beam impacts on the cylindrical relativistic backward-wave oscillator (RBWO), in which the energy of the electrons are deposited. The model of the electron energy deposition is built wi...
Design of 0.34 THz bandpass filter based on frequency selective surface
Tian Yaoling, Jiang Jun, Lu Bin, Deng Xianjin
2015, 27: 123101. doi: 10.11884/HPLPB201527.123101
Abstract:
In order to meet the requirement of THz communication, a 0.34 THz bandpass filter was designed based on thinfilm processing and double screen frequency selective surface(FSS). The frequency characteristics of the FSS filter were analyzed by using th...
Analysis of solenoid magnetic field based on Maxwell equation
Cai Wei, Wu Fancheng, Yang Zhiyong, Hou Yuguo, Xing Junhui
2015, 27: 123201. doi: 10.11884/HPLPB201527.123201
Abstract:
In order to analyze the distortion mechanism of the magnetic field inside a long solenoid driven by square wave, the magnetic field distribution inside and outside the solenoid was studied using Maxwells equations. Internal and external electric fiel...
Experimental study on effects of electromagnetic pulse on pipeline supervisory control and data acquisition (SCADA ) system
Qi Guocheng, Li Kejie, Li Yafeng, Lv Feng, Wang Shaofei, Wang Zhaoyang, Wang Di, Xie Yanzhao
2015, 27: 123202. doi: 10.11884/HPLPB201527.123202
Abstract:
In order to study the vulnerability SCADA(Supervisory Control And Data Acquisition) system and to protect the system under EMP(electromagnetic pulse), a typical oil gas pipeline simulation system was built up and some experiments were conducted. Duri...
Total ionizing effects of polymethyl phenyl vinyl siloxane rubber
Zheng Yuzhan, Cai Zhenbo
2015, 27: 124001. doi: 10.11884/HPLPB201527.124001
Abstract:
Polymethyl phenyl vinyl siloxane rubber(MPVQ) has excellent performances of resistance of high or low temperatures and vibration abatement, etc., it should have spread application to spacecraft vibration abatement and seal. The total ionizing dose ef...
Global optimization for mesh model reconstructed by industrial CT serial images
Duan Liming, Wang Haoyu, Liu Ying, Zhao Caihong, Gao Jianbo, Wang Yanlin
2015, 27: 124002. doi: 10.11884/HPLPB201527.124002
Abstract:
The quality of the mesh model is poor by direct-reconstruction from the industrial CT slice images. This paper proposed a global optimization methods based on implicit surface reconstruction without topology restrictions. In this method, 3D surface m...
Field-circuit co-simulation of electromagnetic pulse interference to electronics
Sun Fengjie, Deng Jianhong
2015, 27: 124003. doi: 10.11884/HPLPB201527.124003
Abstract:
In order to make relatively accurate analysis for electromagnetic interference problem occurred in interior circuit of equipment chassis, this paper adopts an analysis method based on field-circuit co-simulation to realize electromagnetic interferenc...
Tests method for space-ionizing-radiation-induced coloration in glasses
Du Jishi, Song Lixin
2015, 27: 124004. doi: 10.11884/HPLPB201527.124004
Abstract:
According to complexity of space ionizing radiation, from study on kinetic of space-ionizing-radiation-induced coloration in glasses, this paper discussed problems faced in performance tests of space-ionizing-radiation-induced coloration in glasses, ...
Three-dimensional numeric simulation of multiplication process of secondary electrons in microchannel plate
Wang Qiangqiang, Deng Keli, Deng Caibo, Deng Bo, Yuan Zheng, Chen Tao, Dong Jianjun, Cao Zhurong, Liu Shenye, Jiang Shaoen
2015, 27: 124005. doi: 10.11884/HPLPB201527.124005
Abstract:
In this paper, the three-dimensional structure of a lead glass MCP was established under CST Particle Studio environment. The Finite Integration Method and the Monte Carlo Method were combined to simulate the multiplication process of secondary elect...
Effect of atomic oxygen and ultraviolet on surface structure and composition of Kapton/Al film
Jiang Haifu, Li Shenggang, Zhou Jingjing, Mou Yongqiang, Chai Lihua, Yuan Xiaoxue, Zang Weiguo
2015, 27: 124006. doi: 10.11884/HPLPB201527.124006
Abstract:
Atomic oxygen (AO), near ultraviolet (NUV) and vacuum ultraviolet (VUV) irradiation test of Kapton/Al second surface mirror film was conducted using laser-induced AO simulation facility; the mass, solar absorptance, surface structure and composition ...
Component determination of sealed californium source and the correction of neutron emission rate
Li Junjie, Du Jinfeng, Zheng Chun
2015, 27: 124007. doi: 10.11884/HPLPB201527.124007
Abstract:
When the age of a Cf source exceeds 20 years, the relative contribution of Cf-250 and Cm-248 isotopes will increase gradually. Then the total neutron emission rate will not follow the simple index law determined by Cf-252. Based on the laws of radioa...
Numerical simulation of MHD magnetic control inlet flow field distribution
Shen Shuangyan, Jin Xing
2015, 27: 124008. doi: 10.11884/HPLPB201527.124008
Abstract:
The use of magnetic control method could improve the scramjet propulsion performance. The Maxwell equations and N-S equations were combined and these equations were simplified. The flow field numerical simulation model of distribution was established...
Parametric design method of Tx and Rx filter in bulk acoustic wave duplexer
Cai Xun, Gao Yang, Huang Zhenhua
2015, 27: 124101. doi: 10.11884/HPLPB201527.124101
Abstract:
In design of the bulk acoustic wave (BAW) duplexer, the resonance area of each thin film bulk acoustic wave resonator (FBAR) in Tx or Rx filters affects its performance of insertion loss and out of band rejection. However, these two properties of the...
Processing technique of reticular microstructure for infrared remote sensor
Wu Boqi, Dong Lianhe, Sun Yanjun, Leng Yanbing, Wang Li
2015, 27: 124102. doi: 10.11884/HPLPB201527.124102
Abstract:
To reach the requirement of optical elements in the aerospace infrared remote sensor being highly transmissive and thermally diffusive, this paper proposed a reticular microstructure with the wavelength selection characteristic. The characteristic pa...
Numerical simulation of magnetically driven aluminum flyer plate on PTS accelerator
Kan Mingxian, Zhang Zhaohui, Duan Shuchao, Wang Ganghua, Yang Long, Xiao Bo, Wang Guilin
2015, 27: 125001. doi: 10.11884/HPLPB201527.125001
Abstract:
Magnetically driven flyer plate experiments, shot 151 with a 370 m thick aluminum flyer plate and shot 164 with a 330 m thick aluminum flyer plate, carried out in the large current pulse device PTS are simulated and analyzed with the two-dimensional ...
Effect assessment of electromagnetic pulse at equipment level based on bayesian method
Huang Zhongsheng, Chen Yuhao, Yang Ming, Li Kejie, Qi Guocheng, Lv Feng, Xie Ping, Liu Qing, Xie Yanzhao
2015, 27: 125002. doi: 10.11884/HPLPB201527.125002
Abstract:
Normally, very limited data can be collected during the electromagnetic effect experiments. So it is hard to fit effect threshold curve based on classical mathematical statistics. This paper employs Bayesian mathematical statistics to fit the data of...
4H-SiC photoconductive switch with low on-state resistance
Sun Yanling, Yang Meng, Song Chaoyang, Shi Shunxiang, Guo Hui
2015, 27: 125003. doi: 10.11884/HPLPB201527.125003
Abstract:
4H-SiC photoconductive switches with a lateral geometry are fabricated. Phosphate ion implantation is adopted to decrease the resistance. The results show that phosphate ion implantation can effectively reduce the resistance nearing the electrode and...
An uneven dual-output pulse generator
Pan Yafeng, Liu Sheng, Zhang Xibo
2015, 27: 125004. doi: 10.11884/HPLPB201527.125004
Abstract:
An uneven dual-output pulse generator was presented in this paper, whose pulse forming line consisted of three coaxial cylinders and a build-in Tesla transform. Such a generator possessed two uneven output ports with high and low wave impedance each....
Analysis of inactivation saccharomyces cerevisiae by 13 μs, 200 ns and 2 ns pulsed electric fields
Jin Xuejian, Li Hongtao, Deng Weijun, Jiang Yan, He Ping
2015, 27: 125005. doi: 10.11884/HPLPB201527.125005
Abstract:
The effect of the pulse width change is studied on the membrane voltage and energy of cell membranes and organelles membrane under the high voltage pulse electric field. The sterilization effect of saccharomyces cerevisiae (CICC31180) changes with th...
Development of electromagnetic pulse measurement system based on FPGA
Wang Chao, Dong Xiucheng, Zhang Mintao, Zhou Kaiming, Tang Yong, Yang Qiuyan
2015, 27: 125006. doi: 10.11884/HPLPB201527.125006
Abstract:
In order to measure the electric field of electromagnetic pulse with nanosecond rise time, a kind of broad-band electric field of electromagnetic pulse measurement system based on FPGA is proposed. Monopole antenna is used to receive electrical signa...
Analysis of shine-through of EAST neutral beam
Hu Chundong, Zhang Weitang, Xu Yongjian, Liu Sheng, Yu Ling
2015, 27: 126001. doi: 10.11884/HPLPB201527.126001
Abstract:
High-energy neutral beam injection(NBI) is one of the four Tokamak auxiliary heating methods(The four methods are the neutral beam injection, lower hybrid, ion cyclotron waves paragraph, and the section electron cyclotron waves). Due to the highest h...
Effects of outlet height on passive containment cooling system
Liu Youhong, Sun Mingyue
2015, 27: 126002. doi: 10.11884/HPLPB201527.126002
Abstract:
The containment external heat environment of a large nuclear reactor passive containment cooling system (PCS) was studied. A natural convection heat transfer model of the containment narrow space was established, the flow field was simulated based on...
2015, 27: 120000.
Laser-induced SWCNTs-Al thin film and field emission property
Liu Xuan, Kong Long, Wang Yarong, Li Bikui, Wang Shiming, Zhang Yafei
2015, 27: 124103. doi: 10.11884/HPLPB201527.124103
Abstract:
The single-walled carbon nanotubes-Al (SWCNTs-Al) thin film is successfully fabricated by combining the electrophoretic deposition and laser nanowelding technology at room temperature. First, the single-walled carbon nanotubes are deposited onto an A...