2003 Vol. 15, No. 03
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2003,
15.
Abstract:
Based on the explosive emission model, the self-consistent and 2.5 dimensional electromagnetic particle-in-cell MAGIC code was employed to simulate the dynamics of the particles, including electron and proton, in a planar magnetically insulated ion d...
Based on the explosive emission model, the self-consistent and 2.5 dimensional electromagnetic particle-in-cell MAGIC code was employed to simulate the dynamics of the particles, including electron and proton, in a planar magnetically insulated ion d...
2003,
15.
Abstract:
This paper presents a new method for measuring the timing jitter of micropulse with high sensitivity. Using the traditional four-stripline beam monitor which has been used to measure the electron beam position and electron charge, and by comparing t...
This paper presents a new method for measuring the timing jitter of micropulse with high sensitivity. Using the traditional four-stripline beam monitor which has been used to measure the electron beam position and electron charge, and by comparing t...
2003,
15.
Abstract:
It’s very important to get information on beam profile for researching of accelerator. Measurement technology of beam profile of the highcurrent shortpulse electronbeam such as Faraday cup array, Multiwire method, bremsstrahlung radiation, cerenk...
It’s very important to get information on beam profile for researching of accelerator. Measurement technology of beam profile of the highcurrent shortpulse electronbeam such as Faraday cup array, Multiwire method, bremsstrahlung radiation, cerenk...
2003,
15.
Abstract:
Amorphous hydrogenated silicon carbide(aSiC:H) films were prepared by the reactive sputtering method,which were irradiated by high energy neutrons.Using resistivity,Raman scattering,and infrared transimissing spectroscopy,the authors investigated th...
Amorphous hydrogenated silicon carbide(aSiC:H) films were prepared by the reactive sputtering method,which were irradiated by high energy neutrons.Using resistivity,Raman scattering,and infrared transimissing spectroscopy,the authors investigated th...
2003,
15.
Abstract:
The plasma wave nonlinear effect of IonChannel Electron Cyclotron Maser (ICECM) is investigated. Using these methods of fluid theory and self nonlinear theory, the micromechanism in ICECM are analyzed. Studies find that the longitudinal focus is in...
The plasma wave nonlinear effect of IonChannel Electron Cyclotron Maser (ICECM) is investigated. Using these methods of fluid theory and self nonlinear theory, the micromechanism in ICECM are analyzed. Studies find that the longitudinal focus is in...
2003,
15.
Abstract:
This paper presents an estimate method on radiationinduced charge effect from LC4007A and LC4007B device in lowdose space environment. According to the result, on the basis of MILSTD 883C, Test Method 1019.4, 60Co irradiation plus 25℃ annealing ca...
This paper presents an estimate method on radiationinduced charge effect from LC4007A and LC4007B device in lowdose space environment. According to the result, on the basis of MILSTD 883C, Test Method 1019.4, 60Co irradiation plus 25℃ annealing ca...
2003,
15.
Abstract:
Aiming at the triplet quadrupole system of 9 MeV traveling wave LINAC used for customs container inspection system, this paper analyses that the influences of beam focusing characteristics between quadrupole and skew quadrupole system. Along with ana...
Aiming at the triplet quadrupole system of 9 MeV traveling wave LINAC used for customs container inspection system, this paper analyses that the influences of beam focusing characteristics between quadrupole and skew quadrupole system. Along with ana...
2003,
15.
Abstract:
This paper reported the results of the investigation of a 200kV/100kA low jtter low prefire probability ring rail field distortion switch. Its jitter was less than 2 ns when its working voltage was larger than 70% of selfbreakdown voltage. When its w...
This paper reported the results of the investigation of a 200kV/100kA low jtter low prefire probability ring rail field distortion switch. Its jitter was less than 2 ns when its working voltage was larger than 70% of selfbreakdown voltage. When its w...
2003,
15.
Abstract:
Xray is always returned to visible light for detection by scintillator in high energy radiography systems. The system spatial resolution is affected by scintillator thickness, material and energy of the input X photons. This influence is analyzed th...
Xray is always returned to visible light for detection by scintillator in high energy radiography systems. The system spatial resolution is affected by scintillator thickness, material and energy of the input X photons. This influence is analyzed th...
2003,
15.
Abstract:
The experimental apparatus of coaxial water capacitor was set up in microsecond charging condition. Some experiments were done in this device, the voltage of breakdown of coaxial capacitor is measured with positive and negative pulse voltage to charg...
The experimental apparatus of coaxial water capacitor was set up in microsecond charging condition. Some experiments were done in this device, the voltage of breakdown of coaxial capacitor is measured with positive and negative pulse voltage to charg...
2003,
15.
Abstract:
Plasma characteristics of an RF ion source were investigated by emission spectroscopy. The RF ion source, applied in ZF200keV neutron generator, is an orbicular discharge RF ion source coupled with inductance. The spectral line intensities of the fi...
Plasma characteristics of an RF ion source were investigated by emission spectroscopy. The RF ion source, applied in ZF200keV neutron generator, is an orbicular discharge RF ion source coupled with inductance. The spectral line intensities of the fi...
2003,
15.
Abstract:
Beams emittance is a very important parameter of the RFinjector, it is growth due to RF field space charge effects and so on. The analytical expression of beams emittance in RF injector has been given in this paper, it shows that beams emittance is ...
Beams emittance is a very important parameter of the RFinjector, it is growth due to RF field space charge effects and so on. The analytical expression of beams emittance in RF injector has been given in this paper, it shows that beams emittance is ...
2003,
15.
Abstract:
The damaged spot of copper film mirror irradiated by pulsed Nd:YAG laser is analyzed using an optical microscope. The periodic damage ring is found at the laser irradiation spot, the average spacing of these rings is about 45μm. The damage ring can b...
The damaged spot of copper film mirror irradiated by pulsed Nd:YAG laser is analyzed using an optical microscope. The periodic damage ring is found at the laser irradiation spot, the average spacing of these rings is about 45μm. The damage ring can b...
2003,
15.
Abstract:
Effect of pH value on the scatter particles in KDP crystal was discussed in this paper. The results showed that scatter particles have different size and density at different growth pH value. It can be seen from the results that the scatter particles...
Effect of pH value on the scatter particles in KDP crystal was discussed in this paper. The results showed that scatter particles have different size and density at different growth pH value. It can be seen from the results that the scatter particles...
2003,
15.
Abstract:
Based on the discussion of the law of the interaction between opticfield and fluidfield, this paper uses the physical model of highenergy laser beam crossing through the two dimension supersonic free shot flow. We obtained density map and OPD map...
Based on the discussion of the law of the interaction between opticfield and fluidfield, this paper uses the physical model of highenergy laser beam crossing through the two dimension supersonic free shot flow. We obtained density map and OPD map...
2003,
15.
Abstract:
To insure reliable and accurate measurement results of mirror angular displacement for COIL resonator, indirect measurement was found using electronic autocollimator. Measurement results show that thermal radiation is main reason of mirror angular di...
To insure reliable and accurate measurement results of mirror angular displacement for COIL resonator, indirect measurement was found using electronic autocollimator. Measurement results show that thermal radiation is main reason of mirror angular di...
2003,
15.
Abstract:
The concept of coherent coupling of optics and mechanics is presented here and its mechanism is analyzed. The coupled wave theory of nonlinear optics is adopted to establish nonlinear dynamics model describing generation and evolution of coherent aco...
The concept of coherent coupling of optics and mechanics is presented here and its mechanism is analyzed. The coupled wave theory of nonlinear optics is adopted to establish nonlinear dynamics model describing generation and evolution of coherent aco...
2003,
15.
Abstract:
Taking advantage of a module of impacted sectioned surface discharge source, the changes of resistance, inductance and energy deposition efficiency of the circuit under various experimental parameters including charging voltage, capacitance and gas p...
Taking advantage of a module of impacted sectioned surface discharge source, the changes of resistance, inductance and energy deposition efficiency of the circuit under various experimental parameters including charging voltage, capacitance and gas p...
2003,
15.
Abstract:
With the combination of CCD imaging unit and traditional multiimage camera to measure far-field distribution of laser output, the reconstruction algorithm for focal spot of high power solid state laser output was described. The geometric cores of th...
With the combination of CCD imaging unit and traditional multiimage camera to measure far-field distribution of laser output, the reconstruction algorithm for focal spot of high power solid state laser output was described. The geometric cores of th...
2003,
15.
Abstract:
Through the study of the effect of the static wavefront distortion of optics elements in the multipass amplification system, the phase RMS gradient meeting the demand of the focusing is given, which is about 0.007λ/cm. The maximum phase error value ...
Through the study of the effect of the static wavefront distortion of optics elements in the multipass amplification system, the phase RMS gradient meeting the demand of the focusing is given, which is about 0.007λ/cm. The maximum phase error value ...
2003,
15.
Abstract:
In experiment, three systems were designed to measure the energy distribution of the laser beam in the far field. Under the same conditions, the far field of the laser beam was measured independently by three instruments: long focus lens, rattle pair...
In experiment, three systems were designed to measure the energy distribution of the laser beam in the far field. Under the same conditions, the far field of the laser beam was measured independently by three instruments: long focus lens, rattle pair...
2003,
15.
Abstract:
According to the working principle of the holographic lens, two of the most important parameters, focusing characteristics and diffraction efficiency, were analyzed in this paper. And the factors, which influence the two parameters, were discussed. F...
According to the working principle of the holographic lens, two of the most important parameters, focusing characteristics and diffraction efficiency, were analyzed in this paper. And the factors, which influence the two parameters, were discussed. F...
2003,
15.
Abstract:
The finite-difference time-domain method is used to research the rule of the electromagnetic pulse coupled to the cavity with different kinds of holes on it. The coupling effects of EMP on square, rectangle hole,multi-hole and the rule of EMP having ...
The finite-difference time-domain method is used to research the rule of the electromagnetic pulse coupled to the cavity with different kinds of holes on it. The coupling effects of EMP on square, rectangle hole,multi-hole and the rule of EMP having ...
2003,
15.
Abstract:
The EMP radiator is the key part of the portable measurement equipment of electric field shielding efficacy . In this dissertation a plan of a small-sized EMP radiator is provided, and the radioactive near field emitted by radiator is analyzed by the...
The EMP radiator is the key part of the portable measurement equipment of electric field shielding efficacy . In this dissertation a plan of a small-sized EMP radiator is provided, and the radioactive near field emitted by radiator is analyzed by the...
2003,
15.
Abstract:
The operating process of the multiwave Cerenkov generator with a resonant cavity is simulated when being filled with He gas at various density by PIC method. The generation mechanism of the plasma and its effects on the output microwave are analyzed....
The operating process of the multiwave Cerenkov generator with a resonant cavity is simulated when being filled with He gas at various density by PIC method. The generation mechanism of the plasma and its effects on the output microwave are analyzed....