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RSS2020 Vol. 32, No. 10
Recommend Articles
2020, 32: 103001.
doi: 10.11884/HPLPB202032.200228
2020, 32: 103003.
doi: 10.11884/HPLPB202032.200195
column
- Cover and Contents
- Feature Issue on Klystron Amplifier
- High Power Laser Physics and Technology•Research Letter
- High Power Laser Physics and Technology
- Inertial Confinement Fusion Physics and Technology
- High Power Microwave Technology
- Particle Beams and Accelerator Technology
- Pulsed Power Technology
- Nuclear Science and Engineering
Display Method:
2020,
32: 1-2.
2020,
32: 1-1.
2020,
32: 103001.
doi: 10.11884/HPLPB202032.200228
Abstract:
To achieve GW-level amplification output radiation at X-band, a relativistic triaxial klystron amplifier （TKA） with two-stage cascaded double-gap bunching cavities is investigated. The input cavity is optimized to obtain a high absorption rate of the...
To achieve GW-level amplification output radiation at X-band, a relativistic triaxial klystron amplifier （TKA） with two-stage cascaded double-gap bunching cavities is investigated. The input cavity is optimized to obtain a high absorption rate of the...
2020,
32: 103002.
doi: 10.11884/HPLPB202032.200167
Abstract:
To improve the stability of frequency and phase of the output microwave on condition of repetitive operation, an S-band, long-pulse relativistic klystron amplifier (RKA) is investigated by theoretical modeling, numerical simulation and experimental m...
To improve the stability of frequency and phase of the output microwave on condition of repetitive operation, an S-band, long-pulse relativistic klystron amplifier (RKA) is investigated by theoretical modeling, numerical simulation and experimental m...
2020,
32: 103003.
doi: 10.11884/HPLPB202032.200195
Abstract:
High power generation in terahertz frequency band is limited by physical mechanism. A G-band sheet beam extended-interaction klystron was designed to demonstrate the power level and the physical factors that affect the performance of the klystron. An...
High power generation in terahertz frequency band is limited by physical mechanism. A G-band sheet beam extended-interaction klystron was designed to demonstrate the power level and the physical factors that affect the performance of the klystron. An...
2020,
32: 103004.
doi: 10.11884/HPLPB202032.200188
Abstract:
To meet the high power and high gain requirements in engineering applications, we've designed a three-dimensional whole tube model for an X-band high-power high-gain multi-beam relativistic klystron amplifier. This paper presents the high frequency c...
To meet the high power and high gain requirements in engineering applications, we've designed a three-dimensional whole tube model for an X-band high-power high-gain multi-beam relativistic klystron amplifier. This paper presents the high frequency c...
2020,
32: 103005.
doi: 10.11884/HPLPB202032.200202
Abstract:
This paper introduces the development of a new ultra-wideband (relative bandwidth ≥17%) S-band multi-beam klystron (MBK) for the first time in China. By optimizing the electronic optics system, gun construction, high-frequency system, heat removal sy...
This paper introduces the development of a new ultra-wideband (relative bandwidth ≥17%) S-band multi-beam klystron (MBK) for the first time in China. By optimizing the electronic optics system, gun construction, high-frequency system, heat removal sy...
2020,
32: 103006.
doi: 10.11884/HPLPB202032.200227
Abstract:
High-frequency relativistic klystron amplifier is one of the research hotspots in the field of high power microwave in recent years, and its development is mainly limited by mode competition, phase jitter and low efficiency. This paper presents the d...
High-frequency relativistic klystron amplifier is one of the research hotspots in the field of high power microwave in recent years, and its development is mainly limited by mode competition, phase jitter and low efficiency. This paper presents the d...
2020,
32: 103007.
doi: 10.11884/HPLPB202032.200207
Abstract:
This paper briefly introduces the design of a W-band extended interaction klystron (EIK), and gives the test results. The high frequency extended interaction circuit consisted of five 5-gap buncher cavities and one 11-gap output cavity which can obta...
This paper briefly introduces the design of a W-band extended interaction klystron (EIK), and gives the test results. The high frequency extended interaction circuit consisted of five 5-gap buncher cavities and one 11-gap output cavity which can obta...
2020,
32: 103008.
doi: 10.11884/HPLPB202032.200170
Abstract:
In the multipactor investigation of dielectric window, the effect of low energy electron is usually neglected. In this paper, a homemade Monte Carlo model was developed to simulate the multipactor mechanism of the RF window. By comparing the multipac...
In the multipactor investigation of dielectric window, the effect of low energy electron is usually neglected. In this paper, a homemade Monte Carlo model was developed to simulate the multipactor mechanism of the RF window. By comparing the multipac...
2020,
32: 103009.
doi: 10.11884/HPLPB202032.200193
Abstract:
This paper proposes a Ka-band coaxial multi-gap cavity operating in the TM51-2π mode. The CST eigenmode solver is used to study the characteristics of the electric field distribution, and the mode characteristics of this cavity have been analyzed bas...
This paper proposes a Ka-band coaxial multi-gap cavity operating in the TM51-2π mode. The CST eigenmode solver is used to study the characteristics of the electric field distribution, and the mode characteristics of this cavity have been analyzed bas...
2020,
32: 103010.
doi: 10.11884/HPLPB202032.200171
Abstract:
This paper applies the theory of kinematics and space charge wave to conclude an experiential formula for calculating the phase of the modulated current at the entrance of the gap of the middle cavity. It also applies a nonlinear theory of cavity exc...
This paper applies the theory of kinematics and space charge wave to conclude an experiential formula for calculating the phase of the modulated current at the entrance of the gap of the middle cavity. It also applies a nonlinear theory of cavity exc...
2020,
32: 101001.
doi: 10.11884/HPLPB202032.200143
Abstract:
This paper demonstrates an all-fiber high-power Yb-doped 1064 nm fiber laser based on master oscillator power amplifier structure. The record output power up to 2625 W was achieved, along with a slope efficiency of 76%. The beam quality factor is Mx2...
2020,
32: 101002.
doi: 10.11884/HPLPB202032.200127
Abstract:
Using gold nanocages (GNCs) as saturable absorbers (SAs), passively Q-switched Nd:GAGG lasers at 1106 nm were demonstrated. For the laser at T = 3%, the maximum output power of 98 mW was received under the pump power of 6.70 W, with the shortest puls...
Using gold nanocages (GNCs) as saturable absorbers (SAs), passively Q-switched Nd:GAGG lasers at 1106 nm were demonstrated. For the laser at T = 3%, the maximum output power of 98 mW was received under the pump power of 6.70 W, with the shortest puls...
2020,
32: 102001.
doi: 10.11884/HPLPB202032.200217
Abstract:
The theoretical analysis method is used to calculate the adsorption behavior of water molecules on the surface of lithium hydride, and analyze the influence of surface modification of lithium hydride on its hydrophobic performance. The results show t...
The theoretical analysis method is used to calculate the adsorption behavior of water molecules on the surface of lithium hydride, and analyze the influence of surface modification of lithium hydride on its hydrophobic performance. The results show t...
2020,
32: 103011.
doi: 10.11884/HPLPB202032.200225
Abstract:
Based on the fundamental principle oriented from the single beam klystron, multi-beam klystron can make higher peak output power under a lower working voltage with the help of parallel working mode combining several low perveance electron beams. Lowe...
Based on the fundamental principle oriented from the single beam klystron, multi-beam klystron can make higher peak output power under a lower working voltage with the help of parallel working mode combining several low perveance electron beams. Lowe...
2020,
32: 103012.
doi: 10.11884/HPLPB202032.200211
Abstract:
This paper introduces a technical scheme of X-band high peak power klystron. At present, this klystron has achieved 50 MW pulse output power and 57% efficiency at X band. The pulse width is up to 3.6 μs. By using some key techniques, such as COM meth...
This paper introduces a technical scheme of X-band high peak power klystron. At present, this klystron has achieved 50 MW pulse output power and 57% efficiency at X band. The pulse width is up to 3.6 μs. By using some key techniques, such as COM meth...
2020,
32: 103013.
doi: 10.11884/HPLPB202032.200208
Abstract:
In millimeter wave klystron, the electron optics system is very important. The electron optics system is related to the realization and the life time of the klystron. The size of millimeter wave klystron is small. To achieve kW output power in Ka-ban...
In millimeter wave klystron, the electron optics system is very important. The electron optics system is related to the realization and the life time of the klystron. The size of millimeter wave klystron is small. To achieve kW output power in Ka-ban...
2020,
32: 103014.
doi: 10.11884/HPLPB202032.200097
Abstract:
In this work, the response characteristics of the microwave limiter under various high power microwave irradiation are investigated via both simulation and experiment, and the simulation results match those of the experiment well. When the input powe...
In this work, the response characteristics of the microwave limiter under various high power microwave irradiation are investigated via both simulation and experiment, and the simulation results match those of the experiment well. When the input powe...
2020,
32: 103015.
doi: 10.11884/HPLPB202032.200226
Abstract:
In common medical/industrial linac systems, ordinary magnetron as the power source has been adopted for about 20 years. Despite of the low power level and the short life time, magnetron is the only choice to drive the compact linac system due to its ...
In common medical/industrial linac systems, ordinary magnetron as the power source has been adopted for about 20 years. Despite of the low power level and the short life time, magnetron is the only choice to drive the compact linac system due to its ...
2020,
32: 104001.
doi: 10.11884/HPLPB202032.200158
Abstract:
In BEPCⅡ, button BPM and stripline BPM cannot reach sufficient precise resolution for beam transverse displacement. This project aims at the design of cavity BPM for BEPCⅡ linac. Position cavity in cavity beam position monitor (CBPM) is an re-entrant...
In BEPCⅡ, button BPM and stripline BPM cannot reach sufficient precise resolution for beam transverse displacement. This project aims at the design of cavity BPM for BEPCⅡ linac. Position cavity in cavity beam position monitor (CBPM) is an re-entrant...
2020,
32: 104002.
doi: 10.11884/HPLPB202032.200053
Abstract:
Considering the neutral particle beams can help cleaning effect in space debris in low-Earth orbit and their potential application prospects in space exploration, this paper analyzes several major mechanisms that cause beam energy loss and density lo...
Considering the neutral particle beams can help cleaning effect in space debris in low-Earth orbit and their potential application prospects in space exploration, this paper analyzes several major mechanisms that cause beam energy loss and density lo...
2020,
32: 105001.
doi: 10.11884/HPLPB202032.200114
Abstract:
Gas spark switch is the most commonly used key device in pulse power device. The difficult problem of electrode erosion, which affects the performance of gas spark switches, has always become a bottleneck restricting the development and application o...
2020,
32: 105002.
doi: 10.11884/HPLPB202032.200102
Abstract:
This paper presents a solid-state pulse generator based on drift step recovery diode (DSRD) - a new high-power, ultra-fast semiconductor opening switch, and a saturable pulse transformer. The topology structure of circuit is designed, the operating p...
This paper presents a solid-state pulse generator based on drift step recovery diode (DSRD) - a new high-power, ultra-fast semiconductor opening switch, and a saturable pulse transformer. The topology structure of circuit is designed, the operating p...
2020,
32: 105003.
doi: 10.11884/HPLPB202032.200135
Abstract:
The inductance gradient of the background field enhancement scheme of the four-rail electromagnetic launcher is simulated. Based on the principle of virtual work, the formula of the inductance gradient of the four-rail launchers under the background ...
The inductance gradient of the background field enhancement scheme of the four-rail electromagnetic launcher is simulated. Based on the principle of virtual work, the formula of the inductance gradient of the four-rail launchers under the background ...
2020,
32: 106001.
doi: 10.11884/HPLPB202032.200118
Abstract:
Energy spectrum data analysis is the main source of nuclide identification. Aiming at the slow recognition speed and low accuracy of the emerging energy spectrum nuclide identification method in the noisy environment of mixed radionuclides, an energy...
Energy spectrum data analysis is the main source of nuclide identification. Aiming at the slow recognition speed and low accuracy of the emerging energy spectrum nuclide identification method in the noisy environment of mixed radionuclides, an energy...
2020,
32: 106002.
doi: 10.11884/HPLPB202032.200159
Abstract:
The mechanical performance of CF2 lead fuel assembly and the thermal-mechanical performance of the fuel rod are evaluated considering the irradiation condition of the irradiation program and the criteria are fulfilled. The major in-pile performance o...
The mechanical performance of CF2 lead fuel assembly and the thermal-mechanical performance of the fuel rod are evaluated considering the irradiation condition of the irradiation program and the criteria are fulfilled. The major in-pile performance o...
