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RSS2003 Vol. 15, No. 10
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2003,
15.
Abstract:
Perdeuterated polymer film is a typical target of fast ignition physics. Perdeuterated polystyrene (DPS) was synthesized by free radical polymerization, and DPS films with thickness from 30nm to 450μm were prepared by dip coating and casting. The inf...
Perdeuterated polymer film is a typical target of fast ignition physics. Perdeuterated polystyrene (DPS) was synthesized by free radical polymerization, and DPS films with thickness from 30nm to 450μm were prepared by dip coating and casting. The inf...
2003,
15.
Abstract:
Comparison between RayleighTaylor instability growth rates of compressible and incompressible fluid is made, with the state equation of compressible fluid in an arbitrary function form of density and pressure. It is shown that with the same density ...
Comparison between RayleighTaylor instability growth rates of compressible and incompressible fluid is made, with the state equation of compressible fluid in an arbitrary function form of density and pressure. It is shown that with the same density ...
2003,
15.
Abstract:
On the XingguangII laser facility, one dimensional spaceresoved Mband spectra on Au plasmas produced laser irradiation of a plane target were measured by using a PET crystal spectrometer coupled with a slit of 20μm in width. In the experimental sp...
On the XingguangII laser facility, one dimensional spaceresoved Mband spectra on Au plasmas produced laser irradiation of a plane target were measured by using a PET crystal spectrometer coupled with a slit of 20μm in width. In the experimental sp...
2003,
15.
Abstract:
In order to obtain self-consistent space charge limited electron emission model in electromagnetic PIC(particleincell) simulation of foilless diode, Child law model, Gauss law model and 1D diode model have been analyzed and compared. The simulatio...
In order to obtain self-consistent space charge limited electron emission model in electromagnetic PIC(particleincell) simulation of foilless diode, Child law model, Gauss law model and 1D diode model have been analyzed and compared. The simulatio...
2003,
15.
Abstract:
In order to investigate the highfrequency characteristics of the Xband fiveunit transittime tube oscillator (TTTO), the method of finiteunit differential of time domain (FDTD) is involved, then the Maxwell Equations are solved. And the frequency...
In order to investigate the highfrequency characteristics of the Xband fiveunit transittime tube oscillator (TTTO), the method of finiteunit differential of time domain (FDTD) is involved, then the Maxwell Equations are solved. And the frequency...
2003,
15.
Abstract:
In terms of the equations describing motion of the electron and evolution of the radiation field, the instabilities existed in the interaction process of electrons and the field are analyzed. The results show that the development of the instability l...
In terms of the equations describing motion of the electron and evolution of the radiation field, the instabilities existed in the interaction process of electrons and the field are analyzed. The results show that the development of the instability l...
2003,
15.
Abstract:
The multipole theory (MT) method is presented as a new approach for the analysis and design of various shielded multiconductor cables. The solution of boundary-value problem associated with the shielded multiconductor cable is represented by the gene...
The multipole theory (MT) method is presented as a new approach for the analysis and design of various shielded multiconductor cables. The solution of boundary-value problem associated with the shielded multiconductor cable is represented by the gene...
2003,
15.
Abstract:
Traditional transit-time oscillators such as split-cavity oscillator, three-cavity oscillator (TCO), super-reltron etc., have a common characteristic that the span between foils in the modulating cavity is equal. By varying span from equal to differe...
Traditional transit-time oscillators such as split-cavity oscillator, three-cavity oscillator (TCO), super-reltron etc., have a common characteristic that the span between foils in the modulating cavity is equal. By varying span from equal to differe...
2003,
15.
Abstract:
The vaneloaded helical slowwave structures is widely used in high power, broadband travelingwave tubes (TWT's). Taking the radial thickness of the helix into account, the tape helix model is suggested for the vaneloaded helical slowwave structur...
The vaneloaded helical slowwave structures is widely used in high power, broadband travelingwave tubes (TWT's). Taking the radial thickness of the helix into account, the tape helix model is suggested for the vaneloaded helical slowwave structur...
2003,
15.
Abstract:
In the inertial confinement fusion (ICF), to achieve optimum fuel compression, the laser beams must irradiate the target uniformly, which require excellent beam quality. The effect of stimulated rotational Raman scattering (SRRS) leads to losses of b...
In the inertial confinement fusion (ICF), to achieve optimum fuel compression, the laser beams must irradiate the target uniformly, which require excellent beam quality. The effect of stimulated rotational Raman scattering (SRRS) leads to losses of b...
2003,
15.
Abstract:
Based on the FresnelKirchhoff diffraction theory, this paper calculated the intensity distribution of the farfield diffraction patterns when a divergent or a convergent gaussian beam transmitted through a thin nonlinear medium, and analyzed the eff...
Based on the FresnelKirchhoff diffraction theory, this paper calculated the intensity distribution of the farfield diffraction patterns when a divergent or a convergent gaussian beam transmitted through a thin nonlinear medium, and analyzed the eff...
2003,
15.
Abstract:
The slant visibility is an important parameter in space survey application, meteorology, remote sensing, and so on. It is wellknown the horizontal visibility has a definite relation with the atmospheric extinction coefficient, which is considered as...
The slant visibility is an important parameter in space survey application, meteorology, remote sensing, and so on. It is wellknown the horizontal visibility has a definite relation with the atmospheric extinction coefficient, which is considered as...
2003,
15.
Abstract:
Till now the aspherical lens used for high power density laser in China were all made manually. The quality of the lens depended closely on the skill of the craftsman, but CCOS (computer controlled Optical Surfacing) technology does not have this fau...
Till now the aspherical lens used for high power density laser in China were all made manually. The quality of the lens depended closely on the skill of the craftsman, but CCOS (computer controlled Optical Surfacing) technology does not have this fau...
2003,
15.
Abstract:
On the basis of research on focusing characteristics of higherorder modes Gaussian beam in flying optics, the adaptive focusing system, which can deal with the focusing characteristics of flying optics, is introduced. The numerical simulation result...
On the basis of research on focusing characteristics of higherorder modes Gaussian beam in flying optics, the adaptive focusing system, which can deal with the focusing characteristics of flying optics, is introduced. The numerical simulation result...
2003,
15.
Abstract:
Combined with series expansion method (SEM), threedimensional scalar beam propagation method (BPM) is transformed into the firstorder normal differential equations. And the function of tangent is applied to map the infinite space into a finite spac...
Combined with series expansion method (SEM), threedimensional scalar beam propagation method (BPM) is transformed into the firstorder normal differential equations. And the function of tangent is applied to map the infinite space into a finite spac...
2003,
15.
Abstract:
A high power diode-pumped Q-switched intracavity-doubled Nd:YAG laser has been developed successfully.A Q-switched laser output of 32.5W with 350W pumping power is obtained at 7kHz using a 30% output coupler.A green output of 32.5W is achieved with p...
A high power diode-pumped Q-switched intracavity-doubled Nd:YAG laser has been developed successfully.A Q-switched laser output of 32.5W with 350W pumping power is obtained at 7kHz using a 30% output coupler.A green output of 32.5W is achieved with p...
2003,
15.
Abstract:
In this paper the construction and the operating principle of the fast piezo steering mirror are introduced, and the differential equation of the tilting motion is established according to the Lagrange's equation, the formula of the natural frequency...
In this paper the construction and the operating principle of the fast piezo steering mirror are introduced, and the differential equation of the tilting motion is established according to the Lagrange's equation, the formula of the natural frequency...
2003,
15.
Abstract:
This paper presents a method of obtaining distorted wavefront and farfield spots generated by ideal beams from a mirror of laser induced deformations, through the calculating the interferograms of mirrors which are obtained by the experimental metho...
This paper presents a method of obtaining distorted wavefront and farfield spots generated by ideal beams from a mirror of laser induced deformations, through the calculating the interferograms of mirrors which are obtained by the experimental metho...
2003,
15.
Abstract:
Distribution of electromagnetic field in the space of Htype RF ion source is researched theoretically. Threedimensional vector graphs of electric field intensity and magnetic induction density in the space of RF ion source are calculated and plotte...
Distribution of electromagnetic field in the space of Htype RF ion source is researched theoretically. Threedimensional vector graphs of electric field intensity and magnetic induction density in the space of RF ion source are calculated and plotte...
2003,
15.
Abstract:
In this paper the old longitudinal coupling impedance measurement system of National Synchrotron Radiation Laboratory is reviewed briefly. Considering the deficiency of the old system and advance of measurement apparatus, the improvements of measurem...
In this paper the old longitudinal coupling impedance measurement system of National Synchrotron Radiation Laboratory is reviewed briefly. Considering the deficiency of the old system and advance of measurement apparatus, the improvements of measurem...
2003,
15.
Abstract:
A doublepulse line induced accelerator (LIA) module is reconstructed based on a usual singlepulse LIA module. By changing the length of one of the cables between the inductive cell and the Blumlein pulse forming line, two induction pulses are gener...
A doublepulse line induced accelerator (LIA) module is reconstructed based on a usual singlepulse LIA module. By changing the length of one of the cables between the inductive cell and the Blumlein pulse forming line, two induction pulses are gener...
2003,
15.
Abstract:
A 10kV solidstate switch for high pulse power application has been developed. The prototype makes use of switches made of arranged in series. The output voltage can be adjusted from 1 to 10kV and the pulse width can be varied from 2 to 110 microseco...
A 10kV solidstate switch for high pulse power application has been developed. The prototype makes use of switches made of arranged in series. The output voltage can be adjusted from 1 to 10kV and the pulse width can be varied from 2 to 110 microseco...
2003,
15.
Abstract:
Beam profile and emittance are important parameters in storage ring. And progress the research of beam unstable on ring using beam profile monitoring system. The paper presents part reconstruction of the beam profile monitor system and its software u...
Beam profile and emittance are important parameters in storage ring. And progress the research of beam unstable on ring using beam profile monitoring system. The paper presents part reconstruction of the beam profile monitor system and its software u...
2003,
15.
Abstract:
For a deeper understanding of the physical process of plasma jetting on wire the one dimension magnetohydrodynamics simulation code under Lagrangian coordinates is used. It is detailed that the axial Al wire heated by shock wave expends after collisi...
For a deeper understanding of the physical process of plasma jetting on wire the one dimension magnetohydrodynamics simulation code under Lagrangian coordinates is used. It is detailed that the axial Al wire heated by shock wave expends after collisi...
2003,
15.
Abstract:
Surface flashover of insulators is widely applied in pulsed power technique. In the ion diode, polyethylence (PE) film is often used as anode foil, for it's abounding in hydrogen. As a flashover ion source, the formation of anode plasma influences th...
Surface flashover of insulators is widely applied in pulsed power technique. In the ion diode, polyethylence (PE) film is often used as anode foil, for it's abounding in hydrogen. As a flashover ion source, the formation of anode plasma influences th...
