2020 Vol. 32, No. 7
Display Method:
2020,
32: 1-2.
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...
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...
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...
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...
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 ...
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 ...
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 ...
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 ...
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...
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...
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...
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...
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...
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...
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, ...
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, ...
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...
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...
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...
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...
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
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...
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...
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...
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...
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...
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...
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...
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
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...
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...
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....
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...