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RSS2003 Vol. 15, No. 11
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2003,
15.
Abstract:
In this paper, the radiation characteristics of constant impedance TEM horn of various geometrical structures are calculated. In each calculation, peaktopeak value of axial electric field obtained from an equivalent ideal aperture is used to normal...
In this paper, the radiation characteristics of constant impedance TEM horn of various geometrical structures are calculated. In each calculation, peaktopeak value of axial electric field obtained from an equivalent ideal aperture is used to normal...
2003,
15.
Abstract:
A new structure of the coaxial vircator is proposed and studied numerically in this paper. Using the coaxial extraction structure, the beam-wave interaction and energy extraction are carried out separately. The left wall of the extraction cavity will...
A new structure of the coaxial vircator is proposed and studied numerically in this paper. Using the coaxial extraction structure, the beam-wave interaction and energy extraction are carried out separately. The left wall of the extraction cavity will...
2003,
15.
Abstract:
In this paper, coupling of electromagnetic fields generated by electrostatic discharge (ESD) spark in near area into a metallic cavity with an aperture is studied by using Finite-Difference Time-Domain (FDTD) method and a numerical coupling model is ...
In this paper, coupling of electromagnetic fields generated by electrostatic discharge (ESD) spark in near area into a metallic cavity with an aperture is studied by using Finite-Difference Time-Domain (FDTD) method and a numerical coupling model is ...
2003,
15.
Abstract:
In this paper, by using rigorous field analysis, a coupled-cavity（ＣＣ） chain filled with plasma has been analyzed. How the hybrid wave between the cavity mode and plasma mode is formed has been studied. The periodical CC chain filled with plasma demon...
In this paper, by using rigorous field analysis, a coupled-cavity（ＣＣ） chain filled with plasma has been analyzed. How the hybrid wave between the cavity mode and plasma mode is formed has been studied. The periodical CC chain filled with plasma demon...
2003,
15.
Abstract:
A single anode magnetron injection electron gun is designed and calculated according to the requirements of gyrotrons with a presented method, which combines synthesis with analysis. A set of computer program has been developed. The electrode shapes,...
A single anode magnetron injection electron gun is designed and calculated according to the requirements of gyrotrons with a presented method, which combines synthesis with analysis. A set of computer program has been developed. The electrode shapes,...
2003,
15.
Abstract:
A repeatedly operating splitcavity oscillator with conducting foils with hole on fool for focusing the electronic beam is presented. An equilibrium equation for foilfocused electron beam is deyived, and the collector of electron beam is designed, W...
A repeatedly operating splitcavity oscillator with conducting foils with hole on fool for focusing the electronic beam is presented. An equilibrium equation for foilfocused electron beam is deyived, and the collector of electron beam is designed, W...
2003,
15.
Abstract:
The radiating characteristics of apertures excited by step and Gaussian pulses are presented in this paper. The relationships of the incoming pulse width, the size of the aperture, and the location of the observer are analyzed. The radiating characte...
The radiating characteristics of apertures excited by step and Gaussian pulses are presented in this paper. The relationships of the incoming pulse width, the size of the aperture, and the location of the observer are analyzed. The radiating characte...
2003,
15.
Abstract:
In a lot of singleshot applications and experiments at remote locations where magnetocumulative generator provide the most practical pulse power, it is impracticable to use a capacitor bank as the initial energy source. Ｖ．Ｖ．Gdovnina et al has used ...
In a lot of singleshot applications and experiments at remote locations where magnetocumulative generator provide the most practical pulse power, it is impracticable to use a capacitor bank as the initial energy source. Ｖ．Ｖ．Gdovnina et al has used ...
2003,
15.
Abstract:
The formula for calculating the threshold of average transmitting power of cylindrical TE-11 mode window is revised by accurate deduction．Ａ practical method for calculating the temperature increment of the dielectric disk in cylindrical box type wind...
The formula for calculating the threshold of average transmitting power of cylindrical TE-11 mode window is revised by accurate deduction．Ａ practical method for calculating the temperature increment of the dielectric disk in cylindrical box type wind...
2003,
15.
Abstract:
By employing hydrodynamic theory, the interaction between the electron beam and the highfrequency field in the radial gap of the radial transittime oscillator is studied. By using numerical method, curves are given to illustrate the relation betwee...
By employing hydrodynamic theory, the interaction between the electron beam and the highfrequency field in the radial gap of the radial transittime oscillator is studied. By using numerical method, curves are given to illustrate the relation betwee...
2003,
15.
Abstract:
In this paper，the research methods for linear coupling of microwave pulses into a cavity through slots are discussed. The physical basis for the linear coupling is provided. The coupling function is defined, and the formulation of coupling function f...
In this paper，the research methods for linear coupling of microwave pulses into a cavity through slots are discussed. The physical basis for the linear coupling is provided. The coupling function is defined, and the formulation of coupling function f...
2003,
15.
Abstract:
The disturance experiment of array CCD detectors is represented in this paper. In the experiment the visible-light array CCD detector are irradiated by 1.319μm CW YAG laser. The disturbance saturation reason of CCD detector is analyzed and the satura...
The disturance experiment of array CCD detectors is represented in this paper. In the experiment the visible-light array CCD detector are irradiated by 1.319μm CW YAG laser. The disturbance saturation reason of CCD detector is analyzed and the satura...
2003,
15.
Abstract:
Transient Stimulated Brillouin Scattering (SBS) coupled equations are solved for onedimension approximation. Through numerical study, dependence of influence induced by SBS procession on parameters of laser and medium is investigated respectively. T...
Transient Stimulated Brillouin Scattering (SBS) coupled equations are solved for onedimension approximation. Through numerical study, dependence of influence induced by SBS procession on parameters of laser and medium is investigated respectively. T...
2003,
15.
Abstract:
A realtime data acquisition system is designed to investigate the supersonic diffuser in COIL. The hardware is based on EVOC PCI data acquiring board and the software is developed under VB6.0. By this system, high precision of data acquisition can b...
A realtime data acquisition system is designed to investigate the supersonic diffuser in COIL. The hardware is based on EVOC PCI data acquiring board and the software is developed under VB6.0. By this system, high precision of data acquisition can b...
2003,
15.
Abstract:
In this paper, the Nd:YAG laser with wavelength 1 064nm is used to study the improvement effect of damage threshold of HfO2/SiO2 coating samples. The experiment of laser conditioning effect was taken by use of N-on-1 mode, namely the irradiation ener...
In this paper, the Nd:YAG laser with wavelength 1 064nm is used to study the improvement effect of damage threshold of HfO2/SiO2 coating samples. The experiment of laser conditioning effect was taken by use of N-on-1 mode, namely the irradiation ener...
2003,
15.
Abstract:
The principle of cube corner array's approximate phase conjugation was analyzed. The cube corner array's restraining effect from wave-front aberration of low spatial frequency was validated, and the optimization of array's cell number was researched,...
The principle of cube corner array's approximate phase conjugation was analyzed. The cube corner array's restraining effect from wave-front aberration of low spatial frequency was validated, and the optimization of array's cell number was researched,...
2003,
15.
Abstract:
Using a new cleaning technology, K9 glass substrates were cleaned, and some singlelayer films were prepared with various oxide materials on the surface of the substrates using the electron beam evaporation technique. The laser induced damage thresho...
Using a new cleaning technology, K9 glass substrates were cleaned, and some singlelayer films were prepared with various oxide materials on the surface of the substrates using the electron beam evaporation technique. The laser induced damage thresho...
2003,
15.
Abstract:
The absorption characteristics of the composite reinforced by polyaryl amide fibers irradiated by laser beam with a wavelength of 1.06μm were investigated using two integrated spheres and photodiode system. The intensity of laser beam, surface and vo...
The absorption characteristics of the composite reinforced by polyaryl amide fibers irradiated by laser beam with a wavelength of 1.06μm were investigated using two integrated spheres and photodiode system. The intensity of laser beam, surface and vo...
2003,
15.
Abstract:
In this paper, an integrated diagnostic system built and used at Shenguang II and Xingguang II laser facility for inertial confinement fusion experiment has been reviewed. The progress of diagnostic technique for Xray optical band, fusion products h...
In this paper, an integrated diagnostic system built and used at Shenguang II and Xingguang II laser facility for inertial confinement fusion experiment has been reviewed. The progress of diagnostic technique for Xray optical band, fusion products h...
2003,
15.
Abstract:
Particleincell algorithms for computing current density and explosion electron emitting from cathode are briefly introduced. The current density algorithm which satisfies charge and current continuity equation, can avoid complex Poisson adjustment ...
Particleincell algorithms for computing current density and explosion electron emitting from cathode are briefly introduced. The current density algorithm which satisfies charge and current continuity equation, can avoid complex Poisson adjustment ...
2003,
15.
Abstract:
A synthesis technique for the preliminary design of convergent Pierce electron guns is introduced briefly which has a series of advantages over the traditional methods. A thermal cathode electron gun used in the accelerator for radiation sterilizatio...
A synthesis technique for the preliminary design of convergent Pierce electron guns is introduced briefly which has a series of advantages over the traditional methods. A thermal cathode electron gun used in the accelerator for radiation sterilizatio...
2003,
15.
Abstract:
One of the important building blocks on Qiangguang I accelerator is longpulse highimpedance intense electron beam diode, which is mainly used to convert electrical pulse from long pulse power generator into electron beam and intense bremsstrahlung...
One of the important building blocks on Qiangguang I accelerator is longpulse highimpedance intense electron beam diode, which is mainly used to convert electrical pulse from long pulse power generator into electron beam and intense bremsstrahlung...
2003,
15.
Abstract:
The prepulse phenomena in the discharge process of accelerator are analyzed in this paper. The prepulse will result in forming plasma, and further affect the diode performance. To remove or reduce this effect, a crowbar tube with cold cathode was ado...
The prepulse phenomena in the discharge process of accelerator are analyzed in this paper. The prepulse will result in forming plasma, and further affect the diode performance. To remove or reduce this effect, a crowbar tube with cold cathode was ado...
2003,
15.
Abstract:
There are abnormally accelerated particles with very high energy during pseudospark discharge, and it has been verified by using analyses magnet field. The authors consider that it has the common reason of vortex dynamics with other abnormal accelera...
There are abnormally accelerated particles with very high energy during pseudospark discharge, and it has been verified by using analyses magnet field. The authors consider that it has the common reason of vortex dynamics with other abnormal accelera...
