Email alert
RSS2009 Vol. 21, No. 06
Recommend Articles
Display Method:
2009,
21.
Abstract:
This paper summarized worldwide latest progresses in fast Z-pinch plasma research and the application prospect of fusion energy. The meaning of fast Z-pinch plasma research for high energy density physics and inertial confinement fusion was introduce...
This paper summarized worldwide latest progresses in fast Z-pinch plasma research and the application prospect of fusion energy. The meaning of fast Z-pinch plasma research for high energy density physics and inertial confinement fusion was introduce...
2009,
21.
Abstract:
An experiment is designed to explore the ambient temperature distribution in an ICF driver’s target building. Multi-channel PC-2WS temperature monitoring recorders and PTWD-2A precision temperature sensors are used to measure temperatures on the thre...
An experiment is designed to explore the ambient temperature distribution in an ICF driver’s target building. Multi-channel PC-2WS temperature monitoring recorders and PTWD-2A precision temperature sensors are used to measure temperatures on the thre...
2009,
21.
Abstract:
An auxiliary optical system has been designed, which can provide precise positioning for aiming Kirkpatrick-Baez(KB) microscope object location. An 8 keV X-ray imaging system by KB microscope with periodic multilayer films has been designed. The fiel...
An auxiliary optical system has been designed, which can provide precise positioning for aiming Kirkpatrick-Baez(KB) microscope object location. An 8 keV X-ray imaging system by KB microscope with periodic multilayer films has been designed. The fiel...
2009,
21.
Abstract:
Frequency downshift and upshift of microwaves reflected by laser-induced plasma were experimentally studied. In the experiments, the microwave produced by a microwave generator impinged on the laser-induced plasma. The frequency of the microwave refl...
Frequency downshift and upshift of microwaves reflected by laser-induced plasma were experimentally studied. In the experiments, the microwave produced by a microwave generator impinged on the laser-induced plasma. The frequency of the microwave refl...
2009,
21.
Abstract:
To study the deformation of optical surface when optical components deposited with high power laser films are exposed to room air, theoretical analysis was carried out to make clear that water-induced stress is and it is the main reason to cause such...
To study the deformation of optical surface when optical components deposited with high power laser films are exposed to room air, theoretical analysis was carried out to make clear that water-induced stress is and it is the main reason to cause such...
2009,
21.
Abstract:
The preparation of microcellular foam in sub-millimeter cylindrical gold targets is described. Small, open-ended, gold cylinders of 400 μm diameter, 700 μm length, and 20 μm wall thickness were fabricated by electroplating gold onto a silicon bronze ...
The preparation of microcellular foam in sub-millimeter cylindrical gold targets is described. Small, open-ended, gold cylinders of 400 μm diameter, 700 μm length, and 20 μm wall thickness were fabricated by electroplating gold onto a silicon bronze ...
2009,
21.
Abstract:
Available test technique for the subsurface defects to be applied in optical process has become an urgent requirement of the manufacture of optics with high resistance to damage. Based on theory of total internal reflection illumination, the research...
Available test technique for the subsurface defects to be applied in optical process has become an urgent requirement of the manufacture of optics with high resistance to damage. Based on theory of total internal reflection illumination, the research...
2009,
21.
Abstract:
To better understand the basic physics of fast ignition target compression, the effects of laser pulse shape on the compression of flat target are analyzed and simulated using hydrodynamic code MULTI. Results show that high material density can be ac...
To better understand the basic physics of fast ignition target compression, the effects of laser pulse shape on the compression of flat target are analyzed and simulated using hydrodynamic code MULTI. Results show that high material density can be ac...
2009,
21.
Abstract:
Shock compression is the main source of entropy changes in ICF implosions. How to realize a nearly isentropic implosion with a series of shock waves after pulse shaping will be crucial for the optimization design of ignition targets. With the ideal a...
Shock compression is the main source of entropy changes in ICF implosions. How to realize a nearly isentropic implosion with a series of shock waves after pulse shaping will be crucial for the optimization design of ignition targets. With the ideal a...
2009,
21.
Abstract:
The effect of the thermal shock and thermal conduction of target irradiated by multi-pulse laser is studied. Based on the non-Fourier law and thermo-elastic theory, the non-Fourier expressions of the temperature field and the thermal stress field of ...
The effect of the thermal shock and thermal conduction of target irradiated by multi-pulse laser is studied. Based on the non-Fourier law and thermo-elastic theory, the non-Fourier expressions of the temperature field and the thermal stress field of ...
2009,
21.
Abstract:
The thermal distortions of a high average power solid-state laser could be compensated by cube corner arrays (CCA) due to the quasi phase conjugation. But the applications of a CCA have been limited when it is used as a resonator, because of the nume...
The thermal distortions of a high average power solid-state laser could be compensated by cube corner arrays (CCA) due to the quasi phase conjugation. But the applications of a CCA have been limited when it is used as a resonator, because of the nume...
2009,
21.
Abstract:
A laser-induced breakdown spectroscopy(LIBS) set-up has been established, and a series of experiments have been carried out with soil samples. The calibration curves of the lines intensities versus the mass fraction of the elements were acquired by t...
A laser-induced breakdown spectroscopy(LIBS) set-up has been established, and a series of experiments have been carried out with soil samples. The calibration curves of the lines intensities versus the mass fraction of the elements were acquired by t...
2009,
21.
Abstract:
In order to improve polymer’s propulsion Performance, polyformaldehydes(POM) seeded with metallic powders have been researched with a CO2 laser.The results show that metallic powders can improve POM’s propulsion performance under proper condition. Th...
In order to improve polymer’s propulsion Performance, polyformaldehydes(POM) seeded with metallic powders have been researched with a CO2 laser.The results show that metallic powders can improve POM’s propulsion performance under proper condition. Th...
2009,
21.
Abstract:
Jets injection in the TRIP gain generator can be either pure helium or mixture of helium and deuterium. Both of the cavity flowfield were numerically simulated to investigate their difference. The simulation results show that mixing enhanement of tri...
Jets injection in the TRIP gain generator can be either pure helium or mixture of helium and deuterium. Both of the cavity flowfield were numerically simulated to investigate their difference. The simulation results show that mixing enhanement of tri...
2009,
21.
Abstract:
Frequency feature of an S-band tapered magnetically insulated transmission line oscillator with slowly tapered vanes and sharply tapered vanes is analyzed. Comparing the frequency hopping phenomena in the experiments and cavity characteristics analys...
Frequency feature of an S-band tapered magnetically insulated transmission line oscillator with slowly tapered vanes and sharply tapered vanes is analyzed. Comparing the frequency hopping phenomena in the experiments and cavity characteristics analys...
2009,
21.
Abstract:
Based on negative refractive index materials' constitutive relations, the finite-difference time-domain(FDTD) formulations are obtained by using piecewise linear recursive convolution(PLRC) method. It is named PLRC-FDTD method. Then the PLRC-FDTD met...
Based on negative refractive index materials' constitutive relations, the finite-difference time-domain(FDTD) formulations are obtained by using piecewise linear recursive convolution(PLRC) method. It is named PLRC-FDTD method. Then the PLRC-FDTD met...
2009,
21.
Abstract:
Combining the characteristics of foil focusing and electrostatically-charged-wire focusing, the transmission of foil-focused intense relativistic annular electron beam in a coaxial cylindrical waveguide is studied. The electric filed and the space-ch...
Combining the characteristics of foil focusing and electrostatically-charged-wire focusing, the transmission of foil-focused intense relativistic annular electron beam in a coaxial cylindrical waveguide is studied. The electric filed and the space-ch...
2009,
21.
Abstract:
The three-dimensional whole-tube model for a C-band relativistic klystron amplifier is designed. With the integrated model, the high frequency characteristic analysis and optimization of the tube are presented. A three-dimensional full-electromagneti...
The three-dimensional whole-tube model for a C-band relativistic klystron amplifier is designed. With the integrated model, the high frequency characteristic analysis and optimization of the tube are presented. A three-dimensional full-electromagneti...
2009,
21.
Abstract:
The magnetically insulated transmission line oscillator(MILO) is a crossed-field microwave tube that is closely related to the linear magnetron. The theoretical model of the self-magnetically insulated transmission line oscillator is established, and...
The magnetically insulated transmission line oscillator(MILO) is a crossed-field microwave tube that is closely related to the linear magnetron. The theoretical model of the self-magnetically insulated transmission line oscillator is established, and...
2009,
21.
Abstract:
The space-charge field characteristics of a uniform sheet electron beam in a rectangular waveguide have been investigated theoretically and numerically. The expressions of the space-charge field components are derived, and numerically calculated for ...
The space-charge field characteristics of a uniform sheet electron beam in a rectangular waveguide have been investigated theoretically and numerically. The expressions of the space-charge field components are derived, and numerically calculated for ...
2009,
21.
Abstract:
A compact gigawatt relativistic backward wave oscillator with coaxial extractor is investigated using the KARAT 2-5 D particle simulation code. Detailed physical interaction pictures of beam and wave in the oscillator are presented. Simulation result...
A compact gigawatt relativistic backward wave oscillator with coaxial extractor is investigated using the KARAT 2-5 D particle simulation code. Detailed physical interaction pictures of beam and wave in the oscillator are presented. Simulation result...
2009,
21.
Abstract:
The Mini-LIA is a double-pulse linear induction electron accelerator with megahertz repetition rates, which consists of a double-pulse power system, a thermal cathode electron gun, two induction cells, beam transportation systems and diagnosis system...
The Mini-LIA is a double-pulse linear induction electron accelerator with megahertz repetition rates, which consists of a double-pulse power system, a thermal cathode electron gun, two induction cells, beam transportation systems and diagnosis system...
2009,
21.
Abstract:
The local bump of beam closed orbit is designed for some specific beamline in the Hefei Light Source. The design demands local orbit adjustment of 1~2 mm, horizontal and vertical closed orbit distortion outside the bump orbit less than 50 μm and 30 μ...
The local bump of beam closed orbit is designed for some specific beamline in the Hefei Light Source. The design demands local orbit adjustment of 1~2 mm, horizontal and vertical closed orbit distortion outside the bump orbit less than 50 μm and 30 μ...
2009,
21.
Abstract:
According to the interaction cavity structure of HPM, a two-surface multipactor discharge model was presented. Through the calculation of susceptibility curves and secondary electron evolution using statistical and Monte-Carlo simulation methods, the...
According to the interaction cavity structure of HPM, a two-surface multipactor discharge model was presented. Through the calculation of susceptibility curves and secondary electron evolution using statistical and Monte-Carlo simulation methods, the...
2009,
21.
Abstract:
FPGA and dedicated micro-controller chips are widely used in HIRFL-CSR monitor and control systems.This paper discusses the characteristics of HIRFL-CSR’s dedicated micro-controllers and it’s requirement for micro-controllers. Using programmable tech...
FPGA and dedicated micro-controller chips are widely used in HIRFL-CSR monitor and control systems.This paper discusses the characteristics of HIRFL-CSR’s dedicated micro-controllers and it’s requirement for micro-controllers. Using programmable tech...
2009,
21.
Abstract:
Small angle X-ray scattering(SAXS) methods were employed to investigate the aggregations of Pt nanoparticles in three kinds of Pt/C catalysts produced by microwave heating process, soakage-reducing process and glycol synthesis process. The experiment...
Small angle X-ray scattering(SAXS) methods were employed to investigate the aggregations of Pt nanoparticles in three kinds of Pt/C catalysts produced by microwave heating process, soakage-reducing process and glycol synthesis process. The experiment...
2009,
21.
Abstract:
The three-dimensional model of cubic defect has heen built. 3D finite-difference time-domain method and perfectly matched layer are used. The modulation caused by TM incident laser is simulated while the cubic defect is on the front surface or on the...
The three-dimensional model of cubic defect has heen built. 3D finite-difference time-domain method and perfectly matched layer are used. The modulation caused by TM incident laser is simulated while the cubic defect is on the front surface or on the...
2009,
21.
Abstract:
This paper analyzes the localization of traditional sacrificial layer material aluminum and brings forward a new sacrificial layer—ZnO-Al complex sacrificial layer. By means of sputtering to prepare aluminum film and evaporating to prepare zinc-oxide...
This paper analyzes the localization of traditional sacrificial layer material aluminum and brings forward a new sacrificial layer—ZnO-Al complex sacrificial layer. By means of sputtering to prepare aluminum film and evaporating to prepare zinc-oxide...
2009,
21.
Abstract:
A series of concentration-varied Tb3+-doped silicate glasses were synthesized by the melt-quenching process. Photoluminescence and radioluminescence of Tb3+-doped silicate glasses were studied under UV and X-ray excitation, respectively. The similar ...
A series of concentration-varied Tb3+-doped silicate glasses were synthesized by the melt-quenching process. Photoluminescence and radioluminescence of Tb3+-doped silicate glasses were studied under UV and X-ray excitation, respectively. The similar ...
2009,
21.
Abstract:
Part of low-earth orbit’s space radiation environment was simulated to investigate the influence on the transmittance change of the aluminum filter used on the space solar telescope in extreme-ultraviolet(EUV) waveband. The transmittance was measured...
Part of low-earth orbit’s space radiation environment was simulated to investigate the influence on the transmittance change of the aluminum filter used on the space solar telescope in extreme-ultraviolet(EUV) waveband. The transmittance was measured...
2009,
21.
Abstract:
In this paper, the modulation of light field by the subsurface defects is investigated in detail by solving Maxwell equations employing the finite-difference time-domain method. Meanwhile, the model of three-dimensional defect is set up. Taking cuboi...
In this paper, the modulation of light field by the subsurface defects is investigated in detail by solving Maxwell equations employing the finite-difference time-domain method. Meanwhile, the model of three-dimensional defect is set up. Taking cuboi...
2009,
21.
Abstract:
The choice principle and obtaining method were presented for the trigger signal and surrounding electric-field inspecting signal, based on the characteristics of the radiated-wave electromagnetic pulse(EMP) simulator test and the need of the equipmen...
The choice principle and obtaining method were presented for the trigger signal and surrounding electric-field inspecting signal, based on the characteristics of the radiated-wave electromagnetic pulse(EMP) simulator test and the need of the equipmen...
2009,
21.
Abstract:
Based on the Laplace equation in cylindrical coordinates, coefficient matrix equations of the magnetic field series expression were derived with magnetostatic method for the Tesla transformer. Thus, we obtained the axial magnetic field distributions ...
Based on the Laplace equation in cylindrical coordinates, coefficient matrix equations of the magnetic field series expression were derived with magnetostatic method for the Tesla transformer. Thus, we obtained the axial magnetic field distributions ...
2009,
21.
Abstract:
A new trigatron with a discal trigger electrode has been tested on its trigger characteristics. And the effects of different polarity combinations, trigger pulse amplitudes and trigger resistances on trigger characteristics of the trigatron have been...
A new trigatron with a discal trigger electrode has been tested on its trigger characteristics. And the effects of different polarity combinations, trigger pulse amplitudes and trigger resistances on trigger characteristics of the trigatron have been...
2009,
21.
Abstract:
The two-electrode switch has no trigger electrode and longer life than the three-electrode switch. In order to trigger the switch, the trigger voltage’s peak-to-peak value should be very high and the rise time of trigger pulse should be short. This p...
The two-electrode switch has no trigger electrode and longer life than the three-electrode switch. In order to trigger the switch, the trigger voltage’s peak-to-peak value should be very high and the rise time of trigger pulse should be short. This p...
2009,
21.
Abstract:
Increasing importance is being placed on the compact and lightweight repetitive high power nanosecond pulse generator. Based on the ceramic capacitor with neglectable self-inductance, a new high energy density pulse forming module which can form low ...
Increasing importance is being placed on the compact and lightweight repetitive high power nanosecond pulse generator. Based on the ceramic capacitor with neglectable self-inductance, a new high energy density pulse forming module which can form low ...
