Email alert
RSS2003 Vol. 15, No. 04
Recommend Articles
column
Display Method:
2003,
15.
Abstract:
An online beam spot diagnostic system for high current,short pulse electron beam based on Cerenkov radiation is introduced. A 0.5mmthick, 80mmdia. quartz foil, which is placed on the actuator, is chosen as the radiator. The Cerenkov radiation sign...
An online beam spot diagnostic system for high current,short pulse electron beam based on Cerenkov radiation is introduced. A 0.5mmthick, 80mmdia. quartz foil, which is placed on the actuator, is chosen as the radiator. The Cerenkov radiation sign...
2003,
15.
Abstract:
The purpose of this paper is to estimate the longitudinal coupling impedance of the coated ceramic vacuum chamber employed in new injection system of Hefei Light Source. For the regular axially symmetric boundary, the analytical results of the impeda...
The purpose of this paper is to estimate the longitudinal coupling impedance of the coated ceramic vacuum chamber employed in new injection system of Hefei Light Source. For the regular axially symmetric boundary, the analytical results of the impeda...
2003,
15.
Abstract:
The model of helical generators whose explosive is initiated axially (MFCG) with a high inductance load has been set up in this paper. Based on the model of the MFCG that consists of 1D model for explosion driven central tube (armature), a model for...
The model of helical generators whose explosive is initiated axially (MFCG) with a high inductance load has been set up in this paper. Based on the model of the MFCG that consists of 1D model for explosion driven central tube (armature), a model for...
2003,
15.
Abstract:
With a axially-blown field distortion gas spark gap switch, a serial of experiments were performed at voltage up to 100kV, peak current up to 85kA, charge transfer up to about 0.6C per pulse, repetition rate up to 10Hz, and single shot energy up to 5...
With a axially-blown field distortion gas spark gap switch, a serial of experiments were performed at voltage up to 100kV, peak current up to 85kA, charge transfer up to about 0.6C per pulse, repetition rate up to 10Hz, and single shot energy up to 5...
2003,
15.
Abstract:
A transparent yttriastabilized zirconia (YSZ) single crystal becomes purple after 200keV Xe+irradiation. Calculation of TRIM 96 shows that 200keV Xe+ ions cause peak displacement levels of ~350dpa (displacement per atom) at the depth of 30nm in a Y...
A transparent yttriastabilized zirconia (YSZ) single crystal becomes purple after 200keV Xe+irradiation. Calculation of TRIM 96 shows that 200keV Xe+ ions cause peak displacement levels of ~350dpa (displacement per atom) at the depth of 30nm in a Y...
2003,
15.
Abstract:
An air core spiral strip transformer with 0.8 of coupling coefficient, which can operate in pulse high voltage, has been researched and manufactured .The experiments showed that output voltage of transformer rose up to about 500kV at an input 40kV. T...
An air core spiral strip transformer with 0.8 of coupling coefficient, which can operate in pulse high voltage, has been researched and manufactured .The experiments showed that output voltage of transformer rose up to about 500kV at an input 40kV. T...
2003,
15.
Abstract:
A code is written to simulate BBU in induction linac according to theoretic analysis. The general form of evolution of BBU in induction linac is investigated at first, then the effect of related parameters on BBU is analyzed, for example, the alignme...
A code is written to simulate BBU in induction linac according to theoretic analysis. The general form of evolution of BBU in induction linac is investigated at first, then the effect of related parameters on BBU is analyzed, for example, the alignme...
2003,
15.
Abstract:
For flash-II accelerator a new diode system was developed including a low impedance diode with a flash switch, drift tube, pulsed magnetic system and vacuum target chamber. Its electron beam fluence is three times more than that of the old diode syst...
For flash-II accelerator a new diode system was developed including a low impedance diode with a flash switch, drift tube, pulsed magnetic system and vacuum target chamber. Its electron beam fluence is three times more than that of the old diode syst...
2003,
15.
Abstract:
This paper expatiates on the methods marginal, horizontal and vertical shimming magnet block of OK radiator in Hefi storage ring. By means of shimming,the filed integral and phase error can be reduced as much as possible. All the measurement results ...
This paper expatiates on the methods marginal, horizontal and vertical shimming magnet block of OK radiator in Hefi storage ring. By means of shimming,the filed integral and phase error can be reduced as much as possible. All the measurement results ...
2003,
15.
Abstract:
A high voltage system of superposed pulse and its measurement device are described. The pulse power system is specially equipped with a high voltage transformer that has two secondary coils. Because of the unique transformer, the system can provide m...
A high voltage system of superposed pulse and its measurement device are described. The pulse power system is specially equipped with a high voltage transformer that has two secondary coils. Because of the unique transformer, the system can provide m...
2003,
15.
Abstract:
The transmission change of ZnSe/MgF2/K9 filter induced by CW laser(1.06μm) is analyzed in this paper. At room temperature, the change of the film ' s refractive index induced by heating is measured with the detecting laser beam (0632 8μm). As a resu...
The transmission change of ZnSe/MgF2/K9 filter induced by CW laser(1.06μm) is analyzed in this paper. At room temperature, the change of the film ' s refractive index induced by heating is measured with the detecting laser beam (0632 8μm). As a resu...
2003,
15.
Abstract:
By rudiment introductions of PID regulator, it is indicated that setting parameters of PID regulator reasonably is key to eliminate any stirs and to realize quick, accurate and stable movement of mirrors. Through applications of PID regulator and act...
By rudiment introductions of PID regulator, it is indicated that setting parameters of PID regulator reasonably is key to eliminate any stirs and to realize quick, accurate and stable movement of mirrors. Through applications of PID regulator and act...
2003,
15.
Abstract:
In order to solve the optical axis deflection owing to asymmetric thermal deformation of mirror induced by irregular facula, phase change cooled mirror, which takes the place of normal silicon mirror, is presented to minimize PV value of deformation ...
In order to solve the optical axis deflection owing to asymmetric thermal deformation of mirror induced by irregular facula, phase change cooled mirror, which takes the place of normal silicon mirror, is presented to minimize PV value of deformation ...
2003,
15.
Abstract:
For the system of Cl/Cl2/HN3/He which is the basis of concept of NCl(a1Δ)/I as a newly possible laser system, the amount of the production of chlorine atoms is essential and important to the system. In this paper, the dissociation efficiency of chlor...
For the system of Cl/Cl2/HN3/He which is the basis of concept of NCl(a1Δ)/I as a newly possible laser system, the amount of the production of chlorine atoms is essential and important to the system. In this paper, the dissociation efficiency of chlor...
2003,
15.
Abstract:
Against the problem that amplitude of pre-pulse current is too high and duration is too short in the capillary discharge pumped X-ray laser device, a complete remaking scheme was brought forward. Through adding the pre-pulse switch to reduce original...
Against the problem that amplitude of pre-pulse current is too high and duration is too short in the capillary discharge pumped X-ray laser device, a complete remaking scheme was brought forward. Through adding the pre-pulse switch to reduce original...
2003,
15.
Abstract:
CARS spectra have been recorded and evaluated for temperature determination in CH4/air flame. Temperature on the flame axis at different height above the burner surface has been measured; It has also been measured with different gas flow rates, and t...
CARS spectra have been recorded and evaluated for temperature determination in CH4/air flame. Temperature on the flame axis at different height above the burner surface has been measured; It has also been measured with different gas flow rates, and t...
2003,
15.
Abstract:
In this paper , colloid-based multilayer coatings consisting of alternating layers of high-and low-refractive index compo nents were deposited on K9 glass and silicon wafer substrates by Sol-Gel spin-coating method. SiO2 was used as the low-refractiv...
In this paper , colloid-based multilayer coatings consisting of alternating layers of high-and low-refractive index compo nents were deposited on K9 glass and silicon wafer substrates by Sol-Gel spin-coating method. SiO2 was used as the low-refractiv...
2003,
15.
Abstract:
A middle to far infrared detector, which uses a YBCO high temperature superconductive thin film, is introduced in the paper. The research on its middle to far infrared response characteristics is conducted by utilizing the Beijing Free Electronic Las...
A middle to far infrared detector, which uses a YBCO high temperature superconductive thin film, is introduced in the paper. The research on its middle to far infrared response characteristics is conducted by utilizing the Beijing Free Electronic Las...
2003,
15.
Abstract:
This paper investigates the forming of the interference fringes which are employed in long distance interferometric imaging. The characterization of the desired fringes is analyzed. The deficiencies of employing the traditional Michelson interferomet...
This paper investigates the forming of the interference fringes which are employed in long distance interferometric imaging. The characterization of the desired fringes is analyzed. The deficiencies of employing the traditional Michelson interferomet...
2003,
15.
Abstract:
This paper stated applying method of high speed photography to study centripetal motion of plasma generated by gas-puff Z-pinch internal explosion on anode accelerator. The scanning images with high temporal resolution of plasma pinching generated by...
This paper stated applying method of high speed photography to study centripetal motion of plasma generated by gas-puff Z-pinch internal explosion on anode accelerator. The scanning images with high temporal resolution of plasma pinching generated by...
2003,
15.
Abstract:
This paper describes the novel power conditioning systems(PCS) with a preionization/lamp check（PILC）for flashlamppumped laser. Its architecture is different from any traditional laser power conditioning system and was chosen as the most costeffect...
This paper describes the novel power conditioning systems(PCS) with a preionization/lamp check（PILC）for flashlamppumped laser. Its architecture is different from any traditional laser power conditioning system and was chosen as the most costeffect...
2003,
15.
Abstract:
One dimension multigroup radiation transfer code (RDMG) was used to simulate the process of radiation transfer in CH foam. The results show that in the same condition of incident flux, the CH density has an remarkable effect on the character of radi...
One dimension multigroup radiation transfer code (RDMG) was used to simulate the process of radiation transfer in CH foam. The results show that in the same condition of incident flux, the CH density has an remarkable effect on the character of radi...
2003,
15.
Abstract:
Nanocopper particles were prepared by flow-levitation method. The structures, morphologies, granularities and the surface oxide layers of particles were investigated by TEM, XRD, and AES techniques. The results show that single-crystal nanocopper par...
Nanocopper particles were prepared by flow-levitation method. The structures, morphologies, granularities and the surface oxide layers of particles were investigated by TEM, XRD, and AES techniques. The results show that single-crystal nanocopper par...
2003,
15.
Abstract:
Designing an octave bandwidth helical traveling wave tube(TWT) for phase and gain matched operation in the EHF region presents many obstacles, for example the dimensional controls.Recent advance in computer modeling offer the possibility to evaluate ...
Designing an octave bandwidth helical traveling wave tube(TWT) for phase and gain matched operation in the EHF region presents many obstacles, for example the dimensional controls.Recent advance in computer modeling offer the possibility to evaluate ...
2003,
15.
Abstract:
There is an ununiformity with the electron beam energy spread at Beijing Free Electron Laser Facilitis. It is observed that the electron energy in front of the current pulse rose much higher than the average,that this portion of electron bunchs lost ...
There is an ununiformity with the electron beam energy spread at Beijing Free Electron Laser Facilitis. It is observed that the electron energy in front of the current pulse rose much higher than the average,that this portion of electron bunchs lost ...
2003,
15.
Abstract:
A new structure of high power and high frequency microwave oscillator based on the transittime instability is proposed and studied numerically in this paper. Due to its coaxial structure with large radius, the oscillator allows larger input and outp...
A new structure of high power and high frequency microwave oscillator based on the transittime instability is proposed and studied numerically in this paper. Due to its coaxial structure with large radius, the oscillator allows larger input and outp...
