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RSS2017 Vol. 29, No. 10
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2017,
29: 100101.
doi: 10.11884/HPLPB201729.170363
Abstract:
First lasing of the CAEP THz FEL (CTFEL) facility was obtained in August 29, 2017. The facility consists of a GaAs photocathode high-voltage DC gun, a superconducting RF linac, a planar undulator and a quasi-concentric optical resonator. The central ...
First lasing of the CAEP THz FEL (CTFEL) facility was obtained in August 29, 2017. The facility consists of a GaAs photocathode high-voltage DC gun, a superconducting RF linac, a planar undulator and a quasi-concentric optical resonator. The central ...
2017,
29: 100201.
doi: 10.11884/HPLPB201729.170181
Abstract:
The recent progress in fundamentals of high-average-power fiber lasers technology is summarized, the mutual-benefit process between high power fiber lasers technology and in-depth investigations into fundamental scientific issues such as oscillator c...
The recent progress in fundamentals of high-average-power fiber lasers technology is summarized, the mutual-benefit process between high power fiber lasers technology and in-depth investigations into fundamental scientific issues such as oscillator c...
2017,
29: 100202.
doi: 10.11884/HPLPB201729.170182
Abstract:
The basic setup, main components and their functions of a fiber laser oscillator are briefly introduced, and the current development status of fiber oscillator is presented. The temporal, spatial and spectral properties of the oscillator are analyzed...
The basic setup, main components and their functions of a fiber laser oscillator are briefly introduced, and the current development status of fiber oscillator is presented. The temporal, spatial and spectral properties of the oscillator are analyzed...
2017,
29: 101001.
doi: 10.11884/HPLPB201729.170107
Abstract:
In this paper, we studied the factors that affect the high frequency modulation performance of semiconductor laser in the process of direct modulation. The equivalent circuit model of LD is derived from the rate equation of semiconductor laser, which...
In this paper, we studied the factors that affect the high frequency modulation performance of semiconductor laser in the process of direct modulation. The equivalent circuit model of LD is derived from the rate equation of semiconductor laser, which...
2017,
29: 101002.
doi: 10.11884/HPLPB201729.170111
Abstract:
Through the analysis of the characteristics and development trend of the ultraviolet communication receiving optical system, a method of designing off-axial TMA ultraviolet communication receiving optical system is presented based on coaxial three-re...
Through the analysis of the characteristics and development trend of the ultraviolet communication receiving optical system, a method of designing off-axial TMA ultraviolet communication receiving optical system is presented based on coaxial three-re...
2017,
29: 103001.
doi: 10.11884/HPLPB201729.170116
Abstract:
In this paper, we present a new structure cathode named co-axis double annulus cathode. By modeling and solving the Laplace equation, we get the accurate distribution of potential in the diode, through which we have the connection of parameters to ge...
In this paper, we present a new structure cathode named co-axis double annulus cathode. By modeling and solving the Laplace equation, we get the accurate distribution of potential in the diode, through which we have the connection of parameters to ge...
2017,
29: 103002.
doi: 10.11884/HPLPB201729.170144
Abstract:
This paper presents a method for design a suitable two stage depressed collector of X band large duty ratio coupled-cavity traveling wave tube (CC-TWT). The axial, radial velocities and radius of 96 electron trajectories in the output potion of this ...
This paper presents a method for design a suitable two stage depressed collector of X band large duty ratio coupled-cavity traveling wave tube (CC-TWT). The axial, radial velocities and radius of 96 electron trajectories in the output potion of this ...
2017,
29: 103101.
doi: 10.11884/HPLPB201729.170118
Abstract:
Cross-linked polystyrene is a kind of thermosetting plastic with excellent dielectric properties and high breakdown voltage. We measured the terahertz spectra of cross-linked polystyrene and polystyrene using THz-TDS based on THz-ABCD(air biased cohe...
Cross-linked polystyrene is a kind of thermosetting plastic with excellent dielectric properties and high breakdown voltage. We measured the terahertz spectra of cross-linked polystyrene and polystyrene using THz-TDS based on THz-ABCD(air biased cohe...
2017,
29: 103102.
doi: 10.11884/HPLPB201729.170275
Abstract:
In order to realize the medium-range and long-distance detection in one radar, we studied and realized a kind of antenna array meeting the long- and medium-range radar demand. The simulation and measurement results show that the radar antenna array c...
In order to realize the medium-range and long-distance detection in one radar, we studied and realized a kind of antenna array meeting the long- and medium-range radar demand. The simulation and measurement results show that the radar antenna array c...
2017,
29: 103201.
doi: 10.11884/HPLPB201729.170187
Abstract:
Frequency sweep jamming is one of the main threats to the current frequency-modulated continuous-wave (FMCW) radio fuze while its jamming probability has certain randomness. To improve the jamming performance, an optimized narrow-band sweep jamming a...
Frequency sweep jamming is one of the main threats to the current frequency-modulated continuous-wave (FMCW) radio fuze while its jamming probability has certain randomness. To improve the jamming performance, an optimized narrow-band sweep jamming a...
2017,
29: 103202.
doi: 10.11884/HPLPB201729.170152
Abstract:
Random coupling model(RCM) for key parts of the complex electronic systems cavity to predict pulsed electromagnetic interfrence is a new method in studying high power microwave effects, while the damping of cavity is a key factor determining the effe...
Random coupling model(RCM) for key parts of the complex electronic systems cavity to predict pulsed electromagnetic interfrence is a new method in studying high power microwave effects, while the damping of cavity is a key factor determining the effe...
2017,
29: 103203.
doi: 10.11884/HPLPB201729.170094
Abstract:
The effect of the high-altitude nuclear explosion pulse on cable above ground is studied. Considering the effect of ground, Time Domain Integral Equation(TDIE) combined with reflection coefficient method are proposed to solve the transient current of...
The effect of the high-altitude nuclear explosion pulse on cable above ground is studied. Considering the effect of ground, Time Domain Integral Equation(TDIE) combined with reflection coefficient method are proposed to solve the transient current of...
2017,
29: 103204.
doi: 10.11884/HPLPB201729.170175
Abstract:
High intensity radiation field (HIRF) has been paid more and more attention and HIRF protection has become a necessary condition for aircraft design and equipment installation. This paper demonstrates a massively parallel 3D full-wave electromagnetic...
High intensity radiation field (HIRF) has been paid more and more attention and HIRF protection has become a necessary condition for aircraft design and equipment installation. This paper demonstrates a massively parallel 3D full-wave electromagnetic...
2017,
29: 103205.
doi: 10.11884/HPLPB201729.170156
Abstract:
To study the transient response of electrostatic discharge(ESD) protection device to the EMP with fast rise time, human-metal model (HMM) and transmission line pulse (TLP) current waveforms are widely used for ESD protection devices testing. In this ...
To study the transient response of electrostatic discharge(ESD) protection device to the EMP with fast rise time, human-metal model (HMM) and transmission line pulse (TLP) current waveforms are widely used for ESD protection devices testing. In this ...
2017,
29: 104001.
doi: 10.11884/HPLPB201729.170062
Abstract:
In order to get optimization results of the emission current and the focal spot size of the micro X-ray tube, the geometric structure of the cathode emitter is simulated. Firstly, the relationship among the direct thermal cathode emitter, the emissio...
In order to get optimization results of the emission current and the focal spot size of the micro X-ray tube, the geometric structure of the cathode emitter is simulated. Firstly, the relationship among the direct thermal cathode emitter, the emissio...
2017,
29: 104002.
doi: 10.11884/HPLPB201729.170119
Abstract:
The weighted nonlinear least squares iterative fitting method is an important method to solve the -particle spectra. The appropriate spectrum peak shape function model and the initial values of the parameters are the key to the nonlinear least square...
The weighted nonlinear least squares iterative fitting method is an important method to solve the -particle spectra. The appropriate spectrum peak shape function model and the initial values of the parameters are the key to the nonlinear least square...
2017,
29: 104102.
doi: 10.11884/HPLPB201729.170115
Abstract:
Laser surface melting technology can effectively reduce nano optical waveguide sidewall roughness for scattering loss reduction. To clarify the temperature field evolution law of KrF excimer laser surface melting on waveguide sidewall, a two dimensio...
Laser surface melting technology can effectively reduce nano optical waveguide sidewall roughness for scattering loss reduction. To clarify the temperature field evolution law of KrF excimer laser surface melting on waveguide sidewall, a two dimensio...
2017,
29: 104104.
doi: 10.11884/HPLPB201729.170141
Abstract:
In order to ensure the normal operation of mobile devices in the Wi-Fi band without interference from adjacent frequency bands, a bulk acoustic wave (BAW) filter for the Wi-Fi 802.11b band (2401-2482 MHz) is designed. An initial structure ladder filt...
In order to ensure the normal operation of mobile devices in the Wi-Fi band without interference from adjacent frequency bands, a bulk acoustic wave (BAW) filter for the Wi-Fi 802.11b band (2401-2482 MHz) is designed. An initial structure ladder filt...
2017,
29: 105001.
doi: 10.11884/HPLPB201729.170166
Abstract:
Magnetic switch is the key part of magnetic pulse compression system. The performance parameters of magnetic switch core directly affect the overall performance of the magnetic pulse compression system. According to the physical properties and applic...
Magnetic switch is the key part of magnetic pulse compression system. The performance parameters of magnetic switch core directly affect the overall performance of the magnetic pulse compression system. According to the physical properties and applic...
2017,
29: 105002.
doi: 10.11884/HPLPB201729.170161
Abstract:
The electromagnetic driven solid liner implosion is one of the high energy density (HEDP) experimental techniques. Some drivers have been constructed in the past years, these drivers are varied in peak current and current rise time. This paper analyz...
The electromagnetic driven solid liner implosion is one of the high energy density (HEDP) experimental techniques. Some drivers have been constructed in the past years, these drivers are varied in peak current and current rise time. This paper analyz...
2017,
29: 105003.
doi: 10.11884/HPLPB201729.170039
Abstract:
This paper presents the principle and methods for measuring brightness of high-density and high-current electron beam. Measurement were performed on a 4 MeV LIA injector with a time-resolved measurement system using three methods: the emittance measu...
This paper presents the principle and methods for measuring brightness of high-density and high-current electron beam. Measurement were performed on a 4 MeV LIA injector with a time-resolved measurement system using three methods: the emittance measu...
2017,
29: 105004.
doi: 10.11884/HPLPB201729.160551
Abstract:
A fiber system was constructed to trigger photoconductive semiconductor switch(PCSS) at MHz operation frequency. The fibers in fiber system are arranged in alveolate position and each group has different lengths to make stable time delay. This paper ...
A fiber system was constructed to trigger photoconductive semiconductor switch(PCSS) at MHz operation frequency. The fibers in fiber system are arranged in alveolate position and each group has different lengths to make stable time delay. This paper ...
2017,
29: 105005.
doi: 10.11884/HPLPB201729.170069
Abstract:
In order to obtain high current high frequency square wave pulse used in industry, we analyzed and improved the semiconductor full controlled Marx, in charge of the implementation and truncated function. Using the new semi-floating-gate SFGT transist...
In order to obtain high current high frequency square wave pulse used in industry, we analyzed and improved the semiconductor full controlled Marx, in charge of the implementation and truncated function. Using the new semi-floating-gate SFGT transist...
2017,
29: 106001.
doi: 10.11884/HPLPB201729.170224
Abstract:
One of the important performance indexes of the neutron monitor is the detection efficiency for different energy neutrons, which would directly affect the credibility and use of measured value. High sensitivity area neutron monitor produced by the In...
One of the important performance indexes of the neutron monitor is the detection efficiency for different energy neutrons, which would directly affect the credibility and use of measured value. High sensitivity area neutron monitor produced by the In...
2017,
29: 106002.
doi: 10.11884/HPLPB201729.170108
Abstract:
In the process of -source spectrum measurement, influence factors of the detector efficiency of the PIPS- spectrometer are the geometric factor, air layer absorption, dead layer absorption, the intrinsic detection efficiency, and so on. In order to c...
In the process of -source spectrum measurement, influence factors of the detector efficiency of the PIPS- spectrometer are the geometric factor, air layer absorption, dead layer absorption, the intrinsic detection efficiency, and so on. In order to c...
2017,
29: 106003.
doi: 10.11884/HPLPB201729.170197
Abstract:
For critical nuclear cases including radioactive material leakage, illegal freight of special nuclear material, this paper proposes a research on an energy spectrometer with neutron/gamma discrimination via a single probe to achieve detection and mon...
For critical nuclear cases including radioactive material leakage, illegal freight of special nuclear material, this paper proposes a research on an energy spectrometer with neutron/gamma discrimination via a single probe to achieve detection and mon...
2017,
29: 104103.
doi: 10.11884/HPLPB201729.170128
Abstract:
The research and testing technique of friction sensor is an important support for hypersonic aircraft. Compared with the conventional skin friction sensor, the micro shear stress sensor has the advantages of small size, high sensitivity, good stabili...
The research and testing technique of friction sensor is an important support for hypersonic aircraft. Compared with the conventional skin friction sensor, the micro shear stress sensor has the advantages of small size, high sensitivity, good stabili...
2017,
29: 104101.
doi: 10.11884/HPLPB201729.170113
Abstract:
The resonant sensors based on aluminum nitride double-ended tuning fork (AlN DETF) have the characteristics of small size, good stability and reliability, and fast response. In order to improve the sensitivity and resolution, it is necessary to analy...
The resonant sensors based on aluminum nitride double-ended tuning fork (AlN DETF) have the characteristics of small size, good stability and reliability, and fast response. In order to improve the sensitivity and resolution, it is necessary to analy...
