Email alert
RSS2006 Vol. 18, No. 05
Recommend Articles
Display Method:
2006,
18.
Abstract:
A new style boundary scoop pumping diffuser was development. The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux a...
A new style boundary scoop pumping diffuser was development. The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux a...
2006,
18.
Abstract:
A DC discharge method is introduced to improve the production of F atom for all gas-phase iodine laser(AGIL). Characteristics of the DC discharge are studied for the usage of cylinder electrode. About 3 kW input power is obtained when dissociating th...
A DC discharge method is introduced to improve the production of F atom for all gas-phase iodine laser(AGIL). Characteristics of the DC discharge are studied for the usage of cylinder electrode. About 3 kW input power is obtained when dissociating th...
2006,
18.
Abstract:
Annular subaperture test method has been developed for low cost and flexible measurement of large, fast aspheric surfaces without any special elements. The measurement principle of this method is simply introduced. The two representative algorithms b...
Annular subaperture test method has been developed for low cost and flexible measurement of large, fast aspheric surfaces without any special elements. The measurement principle of this method is simply introduced. The two representative algorithms b...
2006,
18.
Abstract:
The disturbance imposed to the stream will grow on the surface of the stream as the stream flows downward. The growth of the disturbance continues until a fluid parcel is pinched off. The fastest growth rate is related to the controllable parameters ...
The disturbance imposed to the stream will grow on the surface of the stream as the stream flows downward. The growth of the disturbance continues until a fluid parcel is pinched off. The fastest growth rate is related to the controllable parameters ...
2006,
18.
Abstract:
In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the Fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid...
In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the Fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid...
2006,
18.
Abstract:
Effect of the measurement errors of atmospheric parameters on the laser propagation effects(the average power density) was numerically analyzed. Based upon the characteristic laser propagation conditions, the demand of measurement precision of atmosp...
Effect of the measurement errors of atmospheric parameters on the laser propagation effects(the average power density) was numerically analyzed. Based upon the characteristic laser propagation conditions, the demand of measurement precision of atmosp...
2006,
18.
Abstract:
The phase transition principle of VO2 thin films is introduced in this paper. The X-ray diffraction pattern and spectral transmission at different temperature of vanadium dioxide thin films deposited on glass by RF magnetron sputtering were measured....
The phase transition principle of VO2 thin films is introduced in this paper. The X-ray diffraction pattern and spectral transmission at different temperature of vanadium dioxide thin films deposited on glass by RF magnetron sputtering were measured....
2006,
18.
Abstract:
A simple engineering method is developed to design and predict the performance of the constant-mixing ejector. The influence of ejector parameters on performance is also analyzed. Since the method is formulated in terms of enthalpy, it is applicable ...
A simple engineering method is developed to design and predict the performance of the constant-mixing ejector. The influence of ejector parameters on performance is also analyzed. Since the method is formulated in terms of enthalpy, it is applicable ...
2006,
18.
Abstract:
The mechanism of ejecting gas-shades of COIL was given. The effect of ejecting gas-shades on pressures and output power of COIL was studied. The result shows that by adopting the action modes of ejecting gas-shades in the optical resonator, the loss ...
The mechanism of ejecting gas-shades of COIL was given. The effect of ejecting gas-shades on pressures and output power of COIL was studied. The result shows that by adopting the action modes of ejecting gas-shades in the optical resonator, the loss ...
2006,
18.
Abstract:
Measurement principle of ingredient and concentration of matter with difference absorption lidar (DIAL) is introduced. The distribution of NO2 concentration within 3.5 km range is measured with the DIAL. The result shows that very accurate concentrat...
Measurement principle of ingredient and concentration of matter with difference absorption lidar (DIAL) is introduced. The distribution of NO2 concentration within 3.5 km range is measured with the DIAL. The result shows that very accurate concentrat...
2006,
18.
Abstract:
An efficient VertiCOIL with a square pipe-array jet-type singlet oxygen generator and without primary buffer gas was demonstrated in our laboratory. The most important motivation for no primary buffer gas is that it easily enables the use of a cryoso...
An efficient VertiCOIL with a square pipe-array jet-type singlet oxygen generator and without primary buffer gas was demonstrated in our laboratory. The most important motivation for no primary buffer gas is that it easily enables the use of a cryoso...
2006,
18.
Abstract:
VICON code was used to simulate COIL cold flowfields, and the obtained geometry nicely reflected the geometry change of the simulated equipment. The grid dimensions of primary and secondary flow reflected gas characteristics of the two dimension plan...
VICON code was used to simulate COIL cold flowfields, and the obtained geometry nicely reflected the geometry change of the simulated equipment. The grid dimensions of primary and secondary flow reflected gas characteristics of the two dimension plan...
2006,
18.
Abstract:
The receiving efficiency is alternately varying with the azimuth or elevation of the telescope when laser guide star(LGS) is launched and received in a common aperture of altazimuth coude telescope with polarizing beam splitting scheme, because of th...
The receiving efficiency is alternately varying with the azimuth or elevation of the telescope when laser guide star(LGS) is launched and received in a common aperture of altazimuth coude telescope with polarizing beam splitting scheme, because of th...
2006,
18.
Abstract:
It is necessary to measure the phase difference between s wave and p wave caused by the telescope for the dynamic phase compensation of the polarizing beam splitting system of laser launched and received in common aperture. A physical model is built ...
It is necessary to measure the phase difference between s wave and p wave caused by the telescope for the dynamic phase compensation of the polarizing beam splitting system of laser launched and received in common aperture. A physical model is built ...
2006,
18.
Abstract:
In adaptive optic system, for correcting the atmosphere turbulence, base on the open-loop atmospheric data, a kind of prediction control algorithm was proposed in this paper to reduce the effect of servo lag. The spatio-temporal recursive least squar...
In adaptive optic system, for correcting the atmosphere turbulence, base on the open-loop atmospheric data, a kind of prediction control algorithm was proposed in this paper to reduce the effect of servo lag. The spatio-temporal recursive least squar...
2006,
18.
Abstract:
Scheme and laboratory demonstration test of composite axes inertial line of sight stabilization of acquisition, tracking and pointing system on moving base are introduced. Inertial angular rate measured by dynamically tuned gyroscope is used to reali...
Scheme and laboratory demonstration test of composite axes inertial line of sight stabilization of acquisition, tracking and pointing system on moving base are introduced. Inertial angular rate measured by dynamically tuned gyroscope is used to reali...
2006,
18.
Abstract:
Visual simulation offers the scientific researchers the means of discovering the laws of nature by 3D space. A distributed interactive simulation system of lidar based on LAN is exploited to examine the moving target being tracked and aimed. Visual s...
Visual simulation offers the scientific researchers the means of discovering the laws of nature by 3D space. A distributed interactive simulation system of lidar based on LAN is exploited to examine the moving target being tracked and aimed. Visual s...
2006,
18.
Abstract:
The principle of real time measurement XeF2 concentration by absorbed spectrum and XeF2 concentration control means in laser chamber are introduced. Relation of XeF2 concentration between laser chamber and measure cell is given. XeF2 concentration co...
The principle of real time measurement XeF2 concentration by absorbed spectrum and XeF2 concentration control means in laser chamber are introduced. Relation of XeF2 concentration between laser chamber and measure cell is given. XeF2 concentration co...
2006,
18.
Abstract:
Adopting the echelon-free induced spatial incoherence (EFISI) technique and image relay technique, a new angular multiplexing with smoothing function was built. The total energy of 6 beams is 158 J, the stability of energy is 4%, the pulse duration i...
Adopting the echelon-free induced spatial incoherence (EFISI) technique and image relay technique, a new angular multiplexing with smoothing function was built. The total energy of 6 beams is 158 J, the stability of energy is 4%, the pulse duration i...
2006,
18.
Abstract:
In this paper, a diagnostic method of average ionization degree by X-ray emission spectra of laser-produced gold plasma was presented. The coupled equations between the total intensities of 5f-3d transition arrays of gold M-band and the ion populatio...
In this paper, a diagnostic method of average ionization degree by X-ray emission spectra of laser-produced gold plasma was presented. The coupled equations between the total intensities of 5f-3d transition arrays of gold M-band and the ion populatio...
2006,
18.
Abstract:
The soft X-ray Mach-Zehnder interferometer is an important tool in measuring the electron densities of laser-produced plasma near the critical surface. The design, fabrication and characterization of multilayer beam splitters at 13.9 nm for soft X-ra...
The soft X-ray Mach-Zehnder interferometer is an important tool in measuring the electron densities of laser-produced plasma near the critical surface. The design, fabrication and characterization of multilayer beam splitters at 13.9 nm for soft X-ra...
2006,
18.
Abstract:
By supposing the ion sphere model, the self-consistent field method between the Poisson-Boltzmann equation and the Dirac equation is used to calculate the energy levels of H-like neon immersed in hot and dense plasmas. Consequently, the effects of th...
By supposing the ion sphere model, the self-consistent field method between the Poisson-Boltzmann equation and the Dirac equation is used to calculate the energy levels of H-like neon immersed in hot and dense plasmas. Consequently, the effects of th...
2006,
18.
Abstract:
An optically recording velocity interferometer system(ORVIS) was developed for the free-surface velocity measurements in the equation of state experiments. The time history of free-surface velocity could be recorded by the electronic streak camera. I...
An optically recording velocity interferometer system(ORVIS) was developed for the free-surface velocity measurements in the equation of state experiments. The time history of free-surface velocity could be recorded by the electronic streak camera. I...
2006,
18.
Abstract:
To meet the requirement on the quality and the stability of the output pulse from the fiber front-end system in ICF driver, the polarization characteristics of the fiber system have been analyzed and different polarization control technologies have b...
To meet the requirement on the quality and the stability of the output pulse from the fiber front-end system in ICF driver, the polarization characteristics of the fiber system have been analyzed and different polarization control technologies have b...
2006,
18.
Abstract:
In 2D hydrodynamic simulation, Lagrangian mesh are prone to distort. The ALE (Arbitrary Lagrangian-Eulerian) method which combines the best features of Lagrangian and Eulerian representation was widely used to solve large distortion problems. Based o...
In 2D hydrodynamic simulation, Lagrangian mesh are prone to distort. The ALE (Arbitrary Lagrangian-Eulerian) method which combines the best features of Lagrangian and Eulerian representation was widely used to solve large distortion problems. Based o...
2006,
18.
Abstract:
Three sets of lens array (LA) uniform illumination system were designed, which were used in double-frequency laser direct drive experiments on “Shenguang-Ⅱ” laser facility. Experimental investigations on shock planarity were carried out. The results ...
Three sets of lens array (LA) uniform illumination system were designed, which were used in double-frequency laser direct drive experiments on “Shenguang-Ⅱ” laser facility. Experimental investigations on shock planarity were carried out. The results ...
2006,
18.
Abstract:
Based on theoretic analysis on experimental data, the changes of the optical absorption and Nd3+ non-radiative transition probability caused by Fe concentration in N31 glass are discussed in detail. The optical loss at 1 053 nm and Nd3+ non-radiative...
Based on theoretic analysis on experimental data, the changes of the optical absorption and Nd3+ non-radiative transition probability caused by Fe concentration in N31 glass are discussed in detail. The optical loss at 1 053 nm and Nd3+ non-radiative...
2006,
18.
Abstract:
Based on supercontinuum injection, a new method of high-energy femtosecond parametric amplification is put forward. The method overcomes the gain narrowing effect of the conventional 1 053 nm low-energy amplification and realizes the synchronization ...
Based on supercontinuum injection, a new method of high-energy femtosecond parametric amplification is put forward. The method overcomes the gain narrowing effect of the conventional 1 053 nm low-energy amplification and realizes the synchronization ...
2006,
18.
Abstract:
Using ultra-highly doped Yb3+ fiber as gain medium for the first time in China, pumped by 974 nm LD and passively mode-locked by nonlinear polarization rotation effect of the fiber, stable mode-locked fiber ring laser is obtained. The mode-locked thr...
Using ultra-highly doped Yb3+ fiber as gain medium for the first time in China, pumped by 974 nm LD and passively mode-locked by nonlinear polarization rotation effect of the fiber, stable mode-locked fiber ring laser is obtained. The mode-locked thr...
2006,
18.
Abstract:
A new approach to synthesize gold nano cluster doped aerogel on the basis of surfacecatalyzed reduction of metal ions was described in this paper. Au nano particles were formed in a silica aerogel matrix by hydroxylamine seeding method of reducing g...
A new approach to synthesize gold nano cluster doped aerogel on the basis of surfacecatalyzed reduction of metal ions was described in this paper. Au nano particles were formed in a silica aerogel matrix by hydroxylamine seeding method of reducing g...
2006,
18.
Abstract:
X-ray streak cameras are very important in inertial confinement fusion experiments. The characterization of the cameras should be carried out to ensure the reliability and accuracy of the experimental data. The temporal characteristics of the X-ray s...
X-ray streak cameras are very important in inertial confinement fusion experiments. The characterization of the cameras should be carried out to ensure the reliability and accuracy of the experimental data. The temporal characteristics of the X-ray s...
2006,
18.
Abstract:
The operating characteristics of S band frequency-agile relativistic magnetron are described. The effects of some factors, such as the anode endcap and the loaded Q value, and the breakdown at the output horn surface are discussed and analysed. The e...
The operating characteristics of S band frequency-agile relativistic magnetron are described. The effects of some factors, such as the anode endcap and the loaded Q value, and the breakdown at the output horn surface are discussed and analysed. The e...
2006,
18.
Abstract:
In this paper, a relativistic high power microwave generator with coaxial slow wave structure was experimentally researched. The experimental system was set up based on the structure optimized by numerical simulation. Preliminary results show that th...
In this paper, a relativistic high power microwave generator with coaxial slow wave structure was experimentally researched. The experimental system was set up based on the structure optimized by numerical simulation. Preliminary results show that th...
2006,
18.
Abstract:
An electromagnetic radiation (EMR) effect evaluation method is presented in this paper. The effect is ranked by the weighted average of the coupled electric field with domain decomposition and subdomain sensitive factors. Meanwhile, a facilitated ele...
An electromagnetic radiation (EMR) effect evaluation method is presented in this paper. The effect is ranked by the weighted average of the coupled electric field with domain decomposition and subdomain sensitive factors. Meanwhile, a facilitated ele...
2006,
18.
Abstract:
One-dimensional theoretical analysis is presented for the inward-emitting coaxial virtual cathode oscillator. Numerical solutions are given for the relationship of the diode voltage and current, the space-charge limited current in the coaxial drift s...
One-dimensional theoretical analysis is presented for the inward-emitting coaxial virtual cathode oscillator. Numerical solutions are given for the relationship of the diode voltage and current, the space-charge limited current in the coaxial drift s...
2006,
18.
Abstract:
Based on the theory of mode-coupling, an analysis on cold complex cavity with gradual transition is presented, in which the multiple modes coupling are taken into account. The influences of the obliquity of taper section coupling on the axial field a...
Based on the theory of mode-coupling, an analysis on cold complex cavity with gradual transition is presented, in which the multiple modes coupling are taken into account. The influences of the obliquity of taper section coupling on the axial field a...
2006,
18.
Abstract:
A novel back-ward wave oscillator (BWO) with photonic band gap (PBG) structure is proposed. The PBG structure offers mode-confining and choosing mechanisms, restraining the lower modes and making the BWO operate at the higher modes. With the method o...
A novel back-ward wave oscillator (BWO) with photonic band gap (PBG) structure is proposed. The PBG structure offers mode-confining and choosing mechanisms, restraining the lower modes and making the BWO operate at the higher modes. With the method o...
2006,
18.
Abstract:
Wistar rats were exposed to 90W/cm2 X-band HPM irradiation for 10 minutes. Myocardial tissues were collected at 0, 0.5, 1, 3, 6, 12, 24 h post exposure. The histopathological changes were observed with light microscope. The cardiomyocytes apoptosis w...
Wistar rats were exposed to 90W/cm2 X-band HPM irradiation for 10 minutes. Myocardial tissues were collected at 0, 0.5, 1, 3, 6, 12, 24 h post exposure. The histopathological changes were observed with light microscope. The cardiomyocytes apoptosis w...
2006,
18.
Abstract:
A novel high power microwave detector is investigated, which is based on the characteristics of thermionic diode. This kind of detector has a lot of advantages such as high power capability (up to 100 kW), fast response time(less than 2 ns), immune t...
A novel high power microwave detector is investigated, which is based on the characteristics of thermionic diode. This kind of detector has a lot of advantages such as high power capability (up to 100 kW), fast response time(less than 2 ns), immune t...
2006,
18.
Abstract:
Experiments are carried out to study the sensitivity and detected waveforms for two types of detectors, WB-CD01 and 2087-6001-00, with microwave signals of pulse-width varying from 20 ns to 120 ns in a step of 10 ns. At 2.7 GHz, when the pulse-width ...
Experiments are carried out to study the sensitivity and detected waveforms for two types of detectors, WB-CD01 and 2087-6001-00, with microwave signals of pulse-width varying from 20 ns to 120 ns in a step of 10 ns. At 2.7 GHz, when the pulse-width ...
