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RSS2003 Vol. 15, No. 08
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2003,
15.
Abstract:
Cooling force in electron cooling system is closely related to the temperature of electron beam. The velocity of electron has the offset due to space charge of intense electron beam. In order to minimize this effect, a new type of electron gun to pro...
Cooling force in electron cooling system is closely related to the temperature of electron beam. The velocity of electron has the offset due to space charge of intense electron beam. In order to minimize this effect, a new type of electron gun to pro...
2003,
15.
Abstract:
The paper presents an upgraded close orbit distortion(COD) system and its application in phase II project of HLS, and introduces Bergoz's modules for COD signal process. The upgraded COD system, with resolution of processing electronics circuit up to...
The paper presents an upgraded close orbit distortion(COD) system and its application in phase II project of HLS, and introduces Bergoz's modules for COD signal process. The upgraded COD system, with resolution of processing electronics circuit up to...
2003,
15.
Abstract:
The accelerating tube is one of the most important parts in high current implanter which provides the desired energy and focusing for ion beam.The factors affecting focus characteristic in high current implanter with three gap acceleration tube are d...
The accelerating tube is one of the most important parts in high current implanter which provides the desired energy and focusing for ion beam.The factors affecting focus characteristic in high current implanter with three gap acceleration tube are d...
2003,
15.
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 plane and cylinder transmission lines. Through numerical simul...
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 plane and cylinder transmission lines. Through numerical simul...
2003,
15.
Abstract:
It is well known that the beam directly out of the thermionic cathode RFgun is not suitable for injection into a linear accelerator section. This kind of injection would produce an accelerated beam with a large energy spread because of the large pha...
It is well known that the beam directly out of the thermionic cathode RFgun is not suitable for injection into a linear accelerator section. This kind of injection would produce an accelerated beam with a large energy spread because of the large pha...
2003,
15.
Abstract:
This paper numerically studies the coupling of the ultrawide band electromagnetic pulse into mines. Some typical coupling results are presented for different incident angles and distances from the antenna to the mine. In order to investigate the coup...
This paper numerically studies the coupling of the ultrawide band electromagnetic pulse into mines. Some typical coupling results are presented for different incident angles and distances from the antenna to the mine. In order to investigate the coup...
2003,
15.
Abstract:
Primary investigation of X-ray Gabor zone plate coded imaging was performed based on the Xingguang II facility. Special designed CH foil burying W thread targets was irradiated with 3ω0 Nd laser large spot smoothing radition to generate a certain sha...
Primary investigation of X-ray Gabor zone plate coded imaging was performed based on the Xingguang II facility. Special designed CH foil burying W thread targets was irradiated with 3ω0 Nd laser large spot smoothing radition to generate a certain sha...
2003,
15.
Abstract:
When the laser driver for ICF works in the case of 3ns long pulse, the effect of transverse stimulated Raman scattering in tripler is more significant than that in the case of short pulse. This paper studies the damage of transverse stimulated Raman ...
When the laser driver for ICF works in the case of 3ns long pulse, the effect of transverse stimulated Raman scattering in tripler is more significant than that in the case of short pulse. This paper studies the damage of transverse stimulated Raman ...
2003,
15.
Abstract:
Investigation of Xray ring aperture coded imaging technique is performed aimed at the application of inertial confinement fusion research. The autocorrelations function of a ring aperture is calculated numerically. The effect of the function on the...
Investigation of Xray ring aperture coded imaging technique is performed aimed at the application of inertial confinement fusion research. The autocorrelations function of a ring aperture is calculated numerically. The effect of the function on the...
2003,
15.
Abstract:
The CH film is widely used in the inertial confinement fusion experiment for its excellent properties especially for the plasma and X-ray diagnoses. There are many methods to produce the CH film, and different method will lead to different applicatio...
The CH film is widely used in the inertial confinement fusion experiment for its excellent properties especially for the plasma and X-ray diagnoses. There are many methods to produce the CH film, and different method will lead to different applicatio...
2003,
15.
Abstract:
Measurement of radiation field near a implosion pellet M band Xray is a important area in ICF research.On the “SGⅡ” laser facility, M band Xray from Au plasma was measured in half hohlraum radiation from a hole about 200μm at the end. The experim...
Measurement of radiation field near a implosion pellet M band Xray is a important area in ICF research.On the “SGⅡ” laser facility, M band Xray from Au plasma was measured in half hohlraum radiation from a hole about 200μm at the end. The experim...
2003,
15.
Abstract:
There are a number of high altitude nuclear electromagnetic pulse (HEMP) waveform standards for equipment and systems on susceptibility to the testing effects. These typical HEMP standards include IEC6100029, MILSTD461E and some other publication...
There are a number of high altitude nuclear electromagnetic pulse (HEMP) waveform standards for equipment and systems on susceptibility to the testing effects. These typical HEMP standards include IEC6100029, MILSTD461E and some other publication...
2003,
15.
Abstract:
of diode are studied numerically in this paper. The results show that the beam generated by the diode has an energy spread，even with constant applied voltage. Additionally, external magnetic field has great but reverse influence on the impedance of l...
of diode are studied numerically in this paper. The results show that the beam generated by the diode has an energy spread，even with constant applied voltage. Additionally, external magnetic field has great but reverse influence on the impedance of l...
2003,
15.
Abstract:
This paper numerically studies the coupling of the ultrawide band electromagnetic pulse into mines. Some typical coupling results are presented for different incident angles and distances from the antenna to the mine. In order to investigate the coup...
This paper numerically studies the coupling of the ultrawide band electromagnetic pulse into mines. Some typical coupling results are presented for different incident angles and distances from the antenna to the mine. In order to investigate the coup...
2003,
15.
Abstract:
In this paper, the beam dynamics in micropulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. First, without the consideration of the space charge effect, the process of longitudinal direction beam bunching in MP...
In this paper, the beam dynamics in micropulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. First, without the consideration of the space charge effect, the process of longitudinal direction beam bunching in MP...
2003,
15.
Abstract:
The reflection properties of the TM01，TM02 modes of the circular waveguide by overmoded SWS are investigated by solving the Sparameters matrix with the method of the finite element method, and the difference between the reflection characteristics o...
The reflection properties of the TM01，TM02 modes of the circular waveguide by overmoded SWS are investigated by solving the Sparameters matrix with the method of the finite element method, and the difference between the reflection characteristics o...
2003,
15.
Abstract:
The primary experimental study on radial transit time oscillator (RTTO) was carried out. Under nonoptimized conditions, a microwave with the output peak power of above 30MW was generated at frequency 3.66GHz. The dependence of microwave power on the...
The primary experimental study on radial transit time oscillator (RTTO) was carried out. Under nonoptimized conditions, a microwave with the output peak power of above 30MW was generated at frequency 3.66GHz. The dependence of microwave power on the...
2003,
15.
Abstract:
By employing the limited Hankel integral transform, heat conduction and thermal deformation of optical windows induced by annularlydistributed laser beam are theoretically studied. The temperature increment and thermal deformation fields are express...
By employing the limited Hankel integral transform, heat conduction and thermal deformation of optical windows induced by annularlydistributed laser beam are theoretically studied. The temperature increment and thermal deformation fields are express...
2003,
15.
Abstract:
In this paper, tool's diamond coating are fabricated on tungsten carbide by pulsed UV laser surface pretreatment. The adhesion of diamond coatings under different laser pretreatment conditions are evaluated using indentation test. The optimum laser p...
In this paper, tool's diamond coating are fabricated on tungsten carbide by pulsed UV laser surface pretreatment. The adhesion of diamond coatings under different laser pretreatment conditions are evaluated using indentation test. The optimum laser p...
2003,
15.
Abstract:
The effects of energy and flux of electrons on Kapton/Al thermal control coatings were investigated. The spectral reflectance before and after irradiations of electrons was insitu measured. Experimental results show that the spectral reflectivity of...
The effects of energy and flux of electrons on Kapton/Al thermal control coatings were investigated. The spectral reflectance before and after irradiations of electrons was insitu measured. Experimental results show that the spectral reflectivity of...
2003,
15.
Abstract:
A series of contrast experiments were done to obtain the influence of vertical vane on flow inflexion, the loss of stagnation pressure and cavity static pressure. The cause of influence of the vane on diffuser flowfield is expounded by analysis. The...
A series of contrast experiments were done to obtain the influence of vertical vane on flow inflexion, the loss of stagnation pressure and cavity static pressure. The cause of influence of the vane on diffuser flowfield is expounded by analysis. The...
2003,
15.
Abstract:
Starting from the Collins formula, focusing properties of unapertured sinhGaussian beam are studied by using the encircled-power method. It is found that the axial intensity of focused sinh-Gaussian beams vanishes, so that Li-Wolf's approach to the...
Starting from the Collins formula, focusing properties of unapertured sinhGaussian beam are studied by using the encircled-power method. It is found that the axial intensity of focused sinh-Gaussian beams vanishes, so that Li-Wolf's approach to the...
2003,
15.
Abstract:
It has been demonstrated that methods of clamping for laser mirrors affect thermal deformation greatly. The characteristics of several clamping methods are analyzed and the corresponding thermal deformation and largest stress of silicon mirror are ca...
It has been demonstrated that methods of clamping for laser mirrors affect thermal deformation greatly. The characteristics of several clamping methods are analyzed and the corresponding thermal deformation and largest stress of silicon mirror are ca...
2003,
15.
Abstract:
Using the concept of equivalent resonators, dynamical characteristics of highpower solidstate multirod laser resonators are analyzed. The general expressions for equivalent gparameters and equivalent resonator length of multirod resonators are der...
Using the concept of equivalent resonators, dynamical characteristics of highpower solidstate multirod laser resonators are analyzed. The general expressions for equivalent gparameters and equivalent resonator length of multirod resonators are der...
