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RSS2003 Vol. 15, No. 06
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2003,
15.
Abstract:
Parallel pulseforming lines are charged through the high voltage pulsetransformer. Each of these lines includes a magnetic switch acting as pulseforming switch. Adjusting the voltsecond characteristic of the magneticswitch, highvoltage synchron...
Parallel pulseforming lines are charged through the high voltage pulsetransformer. Each of these lines includes a magnetic switch acting as pulseforming switch. Adjusting the voltsecond characteristic of the magneticswitch, highvoltage synchron...
2003,
15.
Abstract:
The design of the first undu1ator UD1 in NSRL is introduced. The design parameters and main technical requirement are given. The quality requirement on undulator magnet field are analysed considering demands of light users as well as that of the ele...
The design of the first undu1ator UD1 in NSRL is introduced. The design parameters and main technical requirement are given. The quality requirement on undulator magnet field are analysed considering demands of light users as well as that of the ele...
2003,
15.
Abstract:
A high current linear induction accelerator now is being constructed in Institute of Fluid Physics. It consists of 18 blocks, totally 72 induction accelerating cells, and 18 connection cells with ports for beam diagnostic hardware and vacuum pump. Th...
A high current linear induction accelerator now is being constructed in Institute of Fluid Physics. It consists of 18 blocks, totally 72 induction accelerating cells, and 18 connection cells with ports for beam diagnostic hardware and vacuum pump. Th...
2003,
15.
Abstract:
For most reflective images, scanning of the light field is carried out by a scanning mirror drum, so back scattering light from the reflective mirror, which is illuminated by a laser beam, brings inevitably about a Doppler frequency shift. In this pa...
For most reflective images, scanning of the light field is carried out by a scanning mirror drum, so back scattering light from the reflective mirror, which is illuminated by a laser beam, brings inevitably about a Doppler frequency shift. In this pa...
2003,
15.
Abstract:
A linear algorithm of simulation of high power laser beam propagation in nonlinear medium is given, based on the BespalovTalanov linearization theory of nonlinear Schrdinger equation. It is faster in 2～3 orders than splitstep Fourier method and mo...
A linear algorithm of simulation of high power laser beam propagation in nonlinear medium is given, based on the BespalovTalanov linearization theory of nonlinear Schrdinger equation. It is faster in 2～3 orders than splitstep Fourier method and mo...
2003,
15.
Abstract:
The symmetry optical klystron (OK) of NSRL for coherent harmonic generation storagering freeelectron laser (CHGSRFEL) has been reconstructed to asymmetry structure in order to increase the resonant energy of electron beam and generate more powerfu...
The symmetry optical klystron (OK) of NSRL for coherent harmonic generation storagering freeelectron laser (CHGSRFEL) has been reconstructed to asymmetry structure in order to increase the resonant energy of electron beam and generate more powerfu...
2003,
15.
Abstract:
NCl(a1Δ) /I（2P3/2）System was studied using microwave discharge Cl2/He plasma as Cl atoms source. Strong I (2P1/2) radiation at 1 315nm was obtained. The considerable changes of NCl (a1Δ) and NCl (b1Σ) radiation at 1 077nm and 665nm respectively were ...
NCl(a1Δ) /I（2P3/2）System was studied using microwave discharge Cl2/He plasma as Cl atoms source. Strong I (2P1/2) radiation at 1 315nm was obtained. The considerable changes of NCl (a1Δ) and NCl (b1Σ) radiation at 1 077nm and 665nm respectively were ...
2003,
15.
Abstract:
Based on the generalized HuygensFresnel diffraction integral, the closedform propagation expressions for HermitecosineGaussian(HCsG) beams through a paraxial optical ABCD system are derived. The propagation expressions for HermitecoshGaussian(H...
Based on the generalized HuygensFresnel diffraction integral, the closedform propagation expressions for HermitecosineGaussian(HCsG) beams through a paraxial optical ABCD system are derived. The propagation expressions for HermitecoshGaussian(H...
2003,
15.
Abstract:
In process of the arranging experiment data for determining the damage threshold, it is found in some samples that the distribution of the data points of the experiment results deviates obviously from the linear distribution. Under this situation, as...
In process of the arranging experiment data for determining the damage threshold, it is found in some samples that the distribution of the data points of the experiment results deviates obviously from the linear distribution. Under this situation, as...
2003,
15.
Abstract:
A measurement system was made with nuclear pore filter which were used to collect atmospheric aerosol particles. We measured the absorption coefficient of light with different pore size filters in 488.0, 514.5 and 632.8nm wavelength. The system has t...
A measurement system was made with nuclear pore filter which were used to collect atmospheric aerosol particles. We measured the absorption coefficient of light with different pore size filters in 488.0, 514.5 and 632.8nm wavelength. The system has t...
2003,
15.
Abstract:
This article theoretically studies phase matching, parametric bandwidth, gain property of optical parametric chirped pulse amplification of BBO, LBO and KDP. It compares properties of optical parametric chirped pulse amplification between BBO and LBO...
This article theoretically studies phase matching, parametric bandwidth, gain property of optical parametric chirped pulse amplification of BBO, LBO and KDP. It compares properties of optical parametric chirped pulse amplification between BBO and LBO...
2003,
15.
Abstract:
The rate equations to describe the Tidoped sapphire amplifier were given. The temporal and spatial properties of the amplified spontaneous emission and the inversion population density in the amplified medium were studied. It is proved that, the eff...
The rate equations to describe the Tidoped sapphire amplifier were given. The temporal and spatial properties of the amplified spontaneous emission and the inversion population density in the amplified medium were studied. It is proved that, the eff...
2003,
15.
Abstract:
Theory analysis were performed for ytterbium doped fiber amplifier(YDFA) on its characteristics of mismatching amplification on chirpedpulse with mid wavelength around 1 053nm. An excellent pulse can be achieved with optimistic input intensity and s...
Theory analysis were performed for ytterbium doped fiber amplifier(YDFA) on its characteristics of mismatching amplification on chirpedpulse with mid wavelength around 1 053nm. An excellent pulse can be achieved with optimistic input intensity and s...
2003,
15.
Abstract:
This paper presents a numerical model of atmospheric optical refractive index structure parameter.A sensitivity analysis indicates that refractive index structure parameter is particularly sensitive to time of the year,the product of soil capacity an...
This paper presents a numerical model of atmospheric optical refractive index structure parameter.A sensitivity analysis indicates that refractive index structure parameter is particularly sensitive to time of the year,the product of soil capacity an...
2003,
15.
Abstract:
A theoretical model for the new type phaseconjugator using combined fiber, which is composed of two fibers with different core diameters connected by an internal taper, is established. By numerical calculation the whole SBS process in combined fiber...
A theoretical model for the new type phaseconjugator using combined fiber, which is composed of two fibers with different core diameters connected by an internal taper, is established. By numerical calculation the whole SBS process in combined fiber...
2003,
15.
Abstract:
The microwave vulnerability effect of IC was presented in this paper. The damage power threshold of IC will decrease with the decrease of microwave frequency or the increase of pulse repetitive frequency, and if the microwave pulse width become large...
The microwave vulnerability effect of IC was presented in this paper. The damage power threshold of IC will decrease with the decrease of microwave frequency or the increase of pulse repetitive frequency, and if the microwave pulse width become large...
2003,
15.
Abstract:
Fully electromagnetic particle-in-cell simulations are performed to study the effects of an external magnetic field on coaxial plasma opening switch (POS). The simulation results show that POS opening performance can be significantly improved only wh...
Fully electromagnetic particle-in-cell simulations are performed to study the effects of an external magnetic field on coaxial plasma opening switch (POS). The simulation results show that POS opening performance can be significantly improved only wh...
2003,
15.
Abstract:
In this paper, the effects of the height of channel, the return stroke speed and the permittivity of ground on the return stroke radiation field are discussed based on TL, MTLL, MTLE, TCS and BG model. Assuming a common current wave shape at the chan...
In this paper, the effects of the height of channel, the return stroke speed and the permittivity of ground on the return stroke radiation field are discussed based on TL, MTLL, MTLE, TCS and BG model. Assuming a common current wave shape at the chan...
2003,
15.
Abstract:
The linear dispersion relation of the electromagnetic waves in a plasmapartfilled slowwave structure is analyzed and calculated. Dispersion curves of the TM01 is up shift to 1GHz as the plasma density increases to 8×1011cm-3 with the plasma thickn...
The linear dispersion relation of the electromagnetic waves in a plasmapartfilled slowwave structure is analyzed and calculated. Dispersion curves of the TM01 is up shift to 1GHz as the plasma density increases to 8×1011cm-3 with the plasma thickn...
2003,
15.
Abstract:
Electromagnetic pulse (EMP) generated by electrostatic discharge (ESD) spark can severely interfere in normal operation of the electronic systems and even damage them. In this paper, a numerical model of electromagnetic fields generated by ESD spark ...
Electromagnetic pulse (EMP) generated by electrostatic discharge (ESD) spark can severely interfere in normal operation of the electronic systems and even damage them. In this paper, a numerical model of electromagnetic fields generated by ESD spark ...
2003,
15.
Abstract:
In RF cavity, the motion of electrons is affected by microwave. And at the same time, the electron can generate radiation and has influence on microwave in the cavity. According to Maxwell theory, the RF field in the RF cavity can be expressed by mod...
In RF cavity, the motion of electrons is affected by microwave. And at the same time, the electron can generate radiation and has influence on microwave in the cavity. According to Maxwell theory, the RF field in the RF cavity can be expressed by mod...
2003,
15.
Abstract:
This paper presents the simulation results of beam quality effects on the operation of a vircator with a 2.5 dimension particle in cell(PIC) code. The simulation results show that the front edge of the beam pulse has nearly no effect on the saturated...
This paper presents the simulation results of beam quality effects on the operation of a vircator with a 2.5 dimension particle in cell(PIC) code. The simulation results show that the front edge of the beam pulse has nearly no effect on the saturated...
2003,
15.
Abstract:
On the basis of the three-beam output of basic frequency from “Shenguang-II” laser facility and beam smoothing technology of lens-array, the shock wave with a better planarity in ranged 650~750μm the target was created after optimum design and ration...
On the basis of the three-beam output of basic frequency from “Shenguang-II” laser facility and beam smoothing technology of lens-array, the shock wave with a better planarity in ranged 650~750μm the target was created after optimum design and ration...
2003,
15.
Abstract:
This paper reports the results of the measurement of hot electron energy spectrum during the interaction of femtosecond laserplasmas. First, there is a depression of hot electron fluence at the energy of around 40keV. Second, there is a local platea...
This paper reports the results of the measurement of hot electron energy spectrum during the interaction of femtosecond laserplasmas. First, there is a depression of hot electron fluence at the energy of around 40keV. Second, there is a local platea...
2003,
15.
Abstract:
A calculating function relation about liquid H2 thickness of cryogenic target is proposed using the mass conservation in the target. A general model calculating the liquid H2 thickness in ICF target is established. On the basis of them, some factors ...
A calculating function relation about liquid H2 thickness of cryogenic target is proposed using the mass conservation in the target. A general model calculating the liquid H2 thickness in ICF target is established. On the basis of them, some factors ...
