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RSS2006 Vol. 18, No. 03
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2006,
18.
Abstract:
A TEA CO2 laser was employed to ablate spray droplets for laser propulsion. The momentum coupling coefficient was derived from the force sensor data. Experimental results indicate that the coupling coefficient is largely dependent on droplet Sauter m...
A TEA CO2 laser was employed to ablate spray droplets for laser propulsion. The momentum coupling coefficient was derived from the force sensor data. Experimental results indicate that the coupling coefficient is largely dependent on droplet Sauter m...
2006,
18.
Abstract:
The corner cube mirror cavity consists of a corner cube mirror as the totally reflecting mirror and a parallel flat partially reflecting mirror as the output mirror. This paper presents an experimental study of the anti-misalignment stability and the...
The corner cube mirror cavity consists of a corner cube mirror as the totally reflecting mirror and a parallel flat partially reflecting mirror as the output mirror. This paper presents an experimental study of the anti-misalignment stability and the...
2006,
18.
Abstract:
Based on weak turbulence theory, an average coupling efficiency model and a relative power fluctuations model are derived for coupling space light into single mode fiber in the presence of atmospheric turbulence. The effects of turbulence-induced wav...
Based on weak turbulence theory, an average coupling efficiency model and a relative power fluctuations model are derived for coupling space light into single mode fiber in the presence of atmospheric turbulence. The effects of turbulence-induced wav...
2006,
18.
Abstract:
Two automatic data-collecting systems were set up respectively in inland and along the coast for measuring the atmospheric turbulence. By long-time observation a great amount of data were obtained. The daily variations and probability of the inner an...
Two automatic data-collecting systems were set up respectively in inland and along the coast for measuring the atmospheric turbulence. By long-time observation a great amount of data were obtained. The daily variations and probability of the inner an...
2006,
18.
Abstract:
The temporal and spectral properties of Bessel-Gauss pulsed beams with constant diffraction length in a linear dispersive medium are studied. It is shown that by a suitable choice of the spatial parameter β, Bessel-Gauss pulsed beams propagate along ...
The temporal and spectral properties of Bessel-Gauss pulsed beams with constant diffraction length in a linear dispersive medium are studied. It is shown that by a suitable choice of the spatial parameter β, Bessel-Gauss pulsed beams propagate along ...
2006,
18.
Abstract:
The study of boundary layer inhomogeneous is of great importance in studying the characteristic of atmospheric turbulence and the applicability of the classic theory. In this paper, the development of atmosphere boundary layer is simulated in a labor...
The study of boundary layer inhomogeneous is of great importance in studying the characteristic of atmospheric turbulence and the applicability of the classic theory. In this paper, the development of atmosphere boundary layer is simulated in a labor...
2006,
18.
Abstract:
The interactions between Gaussian-shaped solitons in the logarithmic saturable nonlinear media were numerically investigated. The results show that the interactions between Gaussian-shaped solitons are sensitive to relative amplitude and relative pha...
The interactions between Gaussian-shaped solitons in the logarithmic saturable nonlinear media were numerically investigated. The results show that the interactions between Gaussian-shaped solitons are sensitive to relative amplitude and relative pha...
2006,
18.
Abstract:
In this paper, by means of boundary finite-element method, the field distributions and eigenvalues of the fundamental mode of the plano-concave resonator with a tilted even-reflectivity plane mirror or a tilted Gaussian-reflectivity plane mirror are ...
In this paper, by means of boundary finite-element method, the field distributions and eigenvalues of the fundamental mode of the plano-concave resonator with a tilted even-reflectivity plane mirror or a tilted Gaussian-reflectivity plane mirror are ...
2006,
18.
Abstract:
In order to investigate the tribological performance of laser remelting layers, laser remelting processes were carried out on grey cast iron matrix. The microstructures consist typical γ austenite dendrite distributed on the eutectic substrate and th...
In order to investigate the tribological performance of laser remelting layers, laser remelting processes were carried out on grey cast iron matrix. The microstructures consist typical γ austenite dendrite distributed on the eutectic substrate and th...
2006,
18.
Abstract:
Using a 20 W fiber coupled LD as the pump source, the experiment of the gain-swithed Nd3+:YVO4 microchip laser was presented. 1 Hz～25 kHz repetition rate controllable Q switched laser with several W was obtained. The gain-switching from rate equation...
Using a 20 W fiber coupled LD as the pump source, the experiment of the gain-swithed Nd3+:YVO4 microchip laser was presented. 1 Hz～25 kHz repetition rate controllable Q switched laser with several W was obtained. The gain-switching from rate equation...
2006,
18.
Abstract:
Electromagnetic field theory and electron motion conservation equations are used to derive numerical model of transverse space-charge flow and magnetically insulated critical condition in the four usual transmission lines: planes, cylinders, cones an...
Electromagnetic field theory and electron motion conservation equations are used to derive numerical model of transverse space-charge flow and magnetically insulated critical condition in the four usual transmission lines: planes, cylinders, cones an...
2006,
18.
Abstract:
To calibrate photoconductive detectors with the synchrotron soft X-ray source, a new method based on gated integration has been proposed. It will replace the high sensitive measurement system based on high performance oscilloscopes and improve the pr...
To calibrate photoconductive detectors with the synchrotron soft X-ray source, a new method based on gated integration has been proposed. It will replace the high sensitive measurement system based on high performance oscilloscopes and improve the pr...
2006,
18.
Abstract:
In the inertial confinement fusion (ICF) system, there exists a special requirement of waveform of the laser pulse(a shaping pulse with a width of ns). This paper proposes a coherent pulse stacking method which can make the output stacking pulse meet...
In the inertial confinement fusion (ICF) system, there exists a special requirement of waveform of the laser pulse(a shaping pulse with a width of ns). This paper proposes a coherent pulse stacking method which can make the output stacking pulse meet...
2006,
18.
Abstract:
In order to understand the good qualities of the laser driving scheme with grazing incidence against to the scheme with normal incidence, the schemes of Ni-like Ag driven by normal incident lasers with long wavelengths of 6 μm and 3 mm were studied. ...
In order to understand the good qualities of the laser driving scheme with grazing incidence against to the scheme with normal incidence, the schemes of Ni-like Ag driven by normal incident lasers with long wavelengths of 6 μm and 3 mm were studied. ...
2006,
18.
Abstract:
Based on the two-dimensional magnetohydrodynamic(MHD) theory, the magnetic field penetration process at the conduction stage of a high-density, coaxial plasma opening switch (POS) was numerically simulated, and the evolution of the magnetic field dis...
Based on the two-dimensional magnetohydrodynamic(MHD) theory, the magnetic field penetration process at the conduction stage of a high-density, coaxial plasma opening switch (POS) was numerically simulated, and the evolution of the magnetic field dis...
2006,
18.
Abstract:
For the demands of inertial confinement fusion experiments, DT fuel gas and some diagnostic gases such as Ar should be filled into hollow glass microsphere(HGM). However, Ar could not be filled into HGM by means of usual thermal diffusion due to its ...
For the demands of inertial confinement fusion experiments, DT fuel gas and some diagnostic gases such as Ar should be filled into hollow glass microsphere(HGM). However, Ar could not be filled into HGM by means of usual thermal diffusion due to its ...
2006,
18.
Abstract:
During the development of the additional beam system of “Shengguang-Ⅱ” facility, two vacuum cones and inner final optical systems would be fabricated on the ICF target chamber in order to offer Thompson probe and X-ray probe, which would influence th...
During the development of the additional beam system of “Shengguang-Ⅱ” facility, two vacuum cones and inner final optical systems would be fabricated on the ICF target chamber in order to offer Thompson probe and X-ray probe, which would influence th...
2006,
18.
Abstract:
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse. The results show that the pulse shape and the bandwidth remain essentially consta...
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse. The results show that the pulse shape and the bandwidth remain essentially consta...
2006,
18.
Abstract:
Metal films with material theoretical density are important to measurement of equation of state under high pressure. In this paper, an aluminum film and a copper film used in EOS(equation of state) experiment are produced by diamond turning technolog...
Metal films with material theoretical density are important to measurement of equation of state under high pressure. In this paper, an aluminum film and a copper film used in EOS(equation of state) experiment are produced by diamond turning technolog...
2006,
18.
Abstract:
An X-band magnetically insulated transmission line oscillator (MILO) is configured and investigated numerically with KARAT code. The design thought is introduced, and the typical simulation results are illustrated and analyzed. In simulation, when th...
An X-band magnetically insulated transmission line oscillator (MILO) is configured and investigated numerically with KARAT code. The design thought is introduced, and the typical simulation results are illustrated and analyzed. In simulation, when th...
2006,
18.
Abstract:
This paper presents the simulation of the radiation from both the pure mode of TE11 and the mixed modes of TE11 and TM01 with different power proportion for circular wave-guides of different diameters. The directivities of E plane and of H plane are ...
This paper presents the simulation of the radiation from both the pure mode of TE11 and the mixed modes of TE11 and TM01 with different power proportion for circular wave-guides of different diameters. The directivities of E plane and of H plane are ...
2006,
18.
Abstract:
A generalized perfectly matched layer(GPML) in lossless and lossy media is proposed. The GPML is derived from the Maxwell’s equations in stretched coordinates and can be easily used in multiresolution time domain(MRTD). The validation of GPML is anal...
A generalized perfectly matched layer(GPML) in lossless and lossy media is proposed. The GPML is derived from the Maxwell’s equations in stretched coordinates and can be easily used in multiresolution time domain(MRTD). The validation of GPML is anal...
2006,
18.
Abstract:
A method to precisely measure the voltage standing wave ratio(VSWR) of a component with nonstandard interfaces, named directional coupler method, is put forward in the paper. The measurement principle of the method is presented, and the errors by the...
A method to precisely measure the voltage standing wave ratio(VSWR) of a component with nonstandard interfaces, named directional coupler method, is put forward in the paper. The measurement principle of the method is presented, and the errors by the...
2006,
18.
Abstract:
Some interesting characteristics of the solid-state semiconductor switch, the reverse switching dynistor(RSD), such as the time of voltage fall, current carrying capability and current rise rate, were investigated under the condition of being the clo...
Some interesting characteristics of the solid-state semiconductor switch, the reverse switching dynistor(RSD), such as the time of voltage fall, current carrying capability and current rise rate, were investigated under the condition of being the clo...
2006,
18.
Abstract:
The theory and characteristic of a compact Tesla transformer are introduced, and an unitized configuration design is performed for 1.0 MV, 100 Hz Tesla transformer and 40 W, 40 ns pulse forming line (PFL). Two coaxial open cores in Tesla transformer ...
The theory and characteristic of a compact Tesla transformer are introduced, and an unitized configuration design is performed for 1.0 MV, 100 Hz Tesla transformer and 40 W, 40 ns pulse forming line (PFL). Two coaxial open cores in Tesla transformer ...
2006,
18.
Abstract:
The lifetime of electron beam is an important parameter, which is directly relative to the operation of HLS. In this paper, the influence of the RF cavity voltage, the coupling factor, and the bunch length on the HLS electron lifetime is studied. It ...
The lifetime of electron beam is an important parameter, which is directly relative to the operation of HLS. In this paper, the influence of the RF cavity voltage, the coupling factor, and the bunch length on the HLS electron lifetime is studied. It ...
2006,
18.
Abstract:
A 22 stage 5 MV laser-triggered multi-stage switch was designed based on the principle of laser-produced plasma and over-voltage wave. A metal ring was connected to a voltage divider to form a voltage-holding ring which was used to solve the problem ...
A 22 stage 5 MV laser-triggered multi-stage switch was designed based on the principle of laser-produced plasma and over-voltage wave. A metal ring was connected to a voltage divider to form a voltage-holding ring which was used to solve the problem ...
2006,
18.
Abstract:
1D magnetohydrodynamics (MHD) model is used to describe the explosion of electric explosive wires. Using numerical method, the results about electric current of circuit, the voltage of electric explosive wires vs time, and the density, current densit...
1D magnetohydrodynamics (MHD) model is used to describe the explosion of electric explosive wires. Using numerical method, the results about electric current of circuit, the voltage of electric explosive wires vs time, and the density, current densit...
2006,
18.
Abstract:
The photocathode RF gun requests accurate synchronization between laser pulse and RF phase in Thomson scattering X-ray source facility. Based on theoretical analysis on mode-locked laser phase noise, methods of phase error detection and feedback cont...
The photocathode RF gun requests accurate synchronization between laser pulse and RF phase in Thomson scattering X-ray source facility. Based on theoretical analysis on mode-locked laser phase noise, methods of phase error detection and feedback cont...
2006,
18.
Abstract:
Radiochromic films containing a multi-arylamino methane compound were prepared, and their color changed from clear to green after irradiation under ultraviolet (UV) light. As the absorption spectrums show, the main absorption peak in the visual regio...
Radiochromic films containing a multi-arylamino methane compound were prepared, and their color changed from clear to green after irradiation under ultraviolet (UV) light. As the absorption spectrums show, the main absorption peak in the visual regio...
2006,
18.
Abstract:
According to proton radiography concepts of the Los Alamos National Laboratory, the expressions of areal density in high-energy proton radiography are obtained by studying the high-energy protons interactions with materials. The areal density uncerta...
According to proton radiography concepts of the Los Alamos National Laboratory, the expressions of areal density in high-energy proton radiography are obtained by studying the high-energy protons interactions with materials. The areal density uncerta...
2006,
18.
Abstract:
Using time-of-flight mass spectrometry, the multiple ionization process of seeded molecular cluster beams was studied by 532 nm nanosecond laser with intensity from 1010 to 1011 W·cm-2. Ions of Cq+, Oq+ and Iq+ (q=2~4) with translational energy of hu...
Using time-of-flight mass spectrometry, the multiple ionization process of seeded molecular cluster beams was studied by 532 nm nanosecond laser with intensity from 1010 to 1011 W·cm-2. Ions of Cq+, Oq+ and Iq+ (q=2~4) with translational energy of hu...
2006,
18.
Abstract:
Total ionizing dose effects of Actel FPGA chip A1280XL are analyzed in detail with interrupting dynamic bias voltage and dynamic bias voltage conditions. Experimentation results indicate that bias conditions have a great effect on total ionizing dose...
Total ionizing dose effects of Actel FPGA chip A1280XL are analyzed in detail with interrupting dynamic bias voltage and dynamic bias voltage conditions. Experimentation results indicate that bias conditions have a great effect on total ionizing dose...
2006,
18.
Abstract:
In the present work, the effects of correlation are systematically studied for the 4d9-4d85p transition of Xe9+ ion by using the multi-configuration Dirac-Fock method, and the results of the transition energies and probabilities are presented. Compar...
In the present work, the effects of correlation are systematically studied for the 4d9-4d85p transition of Xe9+ ion by using the multi-configuration Dirac-Fock method, and the results of the transition energies and probabilities are presented. Compar...
2006,
18.
Abstract:
A 4 MV water pulse forming line switch that would be used in a water pulse forming line machine was designed based on the experiments of the 1 MV water self-breaking switch. The designed breakdown voltage is 4 MV with a current about 600 kA. The wate...
A 4 MV water pulse forming line switch that would be used in a water pulse forming line machine was designed based on the experiments of the 1 MV water self-breaking switch. The designed breakdown voltage is 4 MV with a current about 600 kA. The wate...
2006,
18.
Abstract:
Based on ceramic pulse capacitors and high press gas switch, a 60 kV coaxial fast rising pulse source was developed. A foil capacitive divider and a resistive divider were developed for measuring the output voltage of the fast rising pulse source. Th...
Based on ceramic pulse capacitors and high press gas switch, a 60 kV coaxial fast rising pulse source was developed. A foil capacitive divider and a resistive divider were developed for measuring the output voltage of the fast rising pulse source. Th...
2006,
18.
Abstract:
A new kind of epoxy compsite for vacuum insulator of the pulsed power devices is developed. The preparation process and the test result of the composite sample are presented in this paper. Some samples with different weight percentage are developed f...
A new kind of epoxy compsite for vacuum insulator of the pulsed power devices is developed. The preparation process and the test result of the composite sample are presented in this paper. Some samples with different weight percentage are developed f...
2006,
18.
Abstract:
In Z-pinch experiment, the one-dimensional temporal-spatial distribution of X-ray power is recorded by photographic films with nonlinear luminosity response. After processing by using a simulative characteristic function, the X-ray images are spatial...
In Z-pinch experiment, the one-dimensional temporal-spatial distribution of X-ray power is recorded by photographic films with nonlinear luminosity response. After processing by using a simulative characteristic function, the X-ray images are spatial...
2006,
18.
Abstract:
It is required that the peak current of high power pulsed driver for fast Z-pinch reaches 60 MA to realize inertial confine fusion（ICF）and high yield (HY). With the conventional technological methods similar to the Z or Saturn apparatus, increasing d...
It is required that the peak current of high power pulsed driver for fast Z-pinch reaches 60 MA to realize inertial confine fusion（ICF）and high yield (HY). With the conventional technological methods similar to the Z or Saturn apparatus, increasing d...
2006,
18.
Abstract:
An electrolysis corrosion method was used in producing ultra-fine tungsten wires with diameters less than 7 μm. The main factors that influence the tangsten wire were investigated, including the temperatures, KOH mass fraction of the electrolytic sol...
An electrolysis corrosion method was used in producing ultra-fine tungsten wires with diameters less than 7 μm. The main factors that influence the tangsten wire were investigated, including the temperatures, KOH mass fraction of the electrolytic sol...
