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RSS2005 Vol. 17, No. 01
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2005,
17.
Abstract:
The energies and transition probabilities of the atomic systems are calculated by Grasp-92 Utility. Based on the local thermal equilibrium theory and the data of 058 experiment of the inertial confinement fusion(ICF), with Ar+D2 filled target pellet,...
The energies and transition probabilities of the atomic systems are calculated by Grasp-92 Utility. Based on the local thermal equilibrium theory and the data of 058 experiment of the inertial confinement fusion(ICF), with Ar+D2 filled target pellet,...
2005,
17.
Abstract:
In order to improve the filled factor of beam and the conversion efficiency of amplifier, with reference to the technical integrated line of Shenguang-Ⅲ, a kind of new spatial four-pass amplifier structure is designed, which is made up of four pairs ...
In order to improve the filled factor of beam and the conversion efficiency of amplifier, with reference to the technical integrated line of Shenguang-Ⅲ, a kind of new spatial four-pass amplifier structure is designed, which is made up of four pairs ...
2005,
17.
Abstract:
The energy spectra of hot electrons have been measured using the magnetic spectrometers, fitted with the LiF thermoluminescent dosimeter (TLD) which were calibrated using Cs137 γ-ray sources, in the interaction of a 130 mJ, 60 fs, 800 nm, 1∶10-6, 7.0...
The energy spectra of hot electrons have been measured using the magnetic spectrometers, fitted with the LiF thermoluminescent dosimeter (TLD) which were calibrated using Cs137 γ-ray sources, in the interaction of a 130 mJ, 60 fs, 800 nm, 1∶10-6, 7.0...
2005,
17.
Abstract:
Weibel instability is studied by three dimensional particle in cell simulation code LARED-P. The generated magnetic field and currents by Weibel instability present filamentary structure. When the Weibel instability reaches the saturation stage, the ...
Weibel instability is studied by three dimensional particle in cell simulation code LARED-P. The generated magnetic field and currents by Weibel instability present filamentary structure. When the Weibel instability reaches the saturation stage, the ...
2005,
17.
Abstract:
The interaction between laser and plasma has been studied using a 2.5 dimensional particle simulation code. The results show that electrons are accelerated by J×B heating mechanism and a strong electrostatic field is caused by charge separation, whic...
The interaction between laser and plasma has been studied using a 2.5 dimensional particle simulation code. The results show that electrons are accelerated by J×B heating mechanism and a strong electrostatic field is caused by charge separation, whic...
2005,
17.
Abstract:
Using the model of transient stimulated rotational Raman scattering (SRRS) and considering many factors such as phase change of laser beams, the pulsedshape, the depletion of pump laser, the nonlinear amplification of the Stokes field, and the initi...
Using the model of transient stimulated rotational Raman scattering (SRRS) and considering many factors such as phase change of laser beams, the pulsedshape, the depletion of pump laser, the nonlinear amplification of the Stokes field, and the initi...
2005,
17.
Abstract:
Subsurface damage has been the main cause to lower the laser induced damage threshold of optics components in high power solid laser system, and one important of them is scratch. finite difference time domain (FDTD) method was used to simulate the el...
Subsurface damage has been the main cause to lower the laser induced damage threshold of optics components in high power solid laser system, and one important of them is scratch. finite difference time domain (FDTD) method was used to simulate the el...
2005,
17.
Abstract:
On the basis of the different emission bands between the fast and slow components in BaF2 crystal, the photonic band multilayer filter with 3.5 periods of Al2O3/MgF2/Al/MgF2… was designed and developed in order to suppress the slow component of the s...
On the basis of the different emission bands between the fast and slow components in BaF2 crystal, the photonic band multilayer filter with 3.5 periods of Al2O3/MgF2/Al/MgF2… was designed and developed in order to suppress the slow component of the s...
2005,
17.
Abstract:
The image transfer function is used to judge the precision of XUV radiography system and silicon grating foils are prepared to measure the image transfer function. Using photoetching and ion beam etching processes, the silicon grating foils with chec...
The image transfer function is used to judge the precision of XUV radiography system and silicon grating foils are prepared to measure the image transfer function. Using photoetching and ion beam etching processes, the silicon grating foils with chec...
2005,
17.
Abstract:
Considering gases retention in plastic microsphere in ICF experiment,the diffusion and permeation behavior of water vapor in hydrocarbon (CH) film,polyvinyl alcohol (PVA) film and polystyrene (PS) film at 40 ℃ 90% relative humidity was studied in thi...
Considering gases retention in plastic microsphere in ICF experiment,the diffusion and permeation behavior of water vapor in hydrocarbon (CH) film,polyvinyl alcohol (PVA) film and polystyrene (PS) film at 40 ℃ 90% relative humidity was studied in thi...
2005,
17.
Abstract:
Transient collisional excitation(TCE) has proved to be an efficient method to significantly save driving energy. In this paper, Ne-like Ge 19.6 nm X-ray laser driven by picosecond Nd:glass laser pulse at 1.053 μm are simulated. The local gain greater...
Transient collisional excitation(TCE) has proved to be an efficient method to significantly save driving energy. In this paper, Ne-like Ge 19.6 nm X-ray laser driven by picosecond Nd:glass laser pulse at 1.053 μm are simulated. The local gain greater...
2005,
17.
Abstract:
SBS process was simulated numerically based on a one-dimensional transient model. The influence of Brillouin media on SBS characteristics was studied. A variety of media, such as FC-72, FC-75, CCl4, CS2, Acetone, Benzene, and mixture liquid of CCl4/E...
SBS process was simulated numerically based on a one-dimensional transient model. The influence of Brillouin media on SBS characteristics was studied. A variety of media, such as FC-72, FC-75, CCl4, CS2, Acetone, Benzene, and mixture liquid of CCl4/E...
2005,
17.
Abstract:
The optimal design of the output cavity of a Ka-band second harmonic three-cavity gyroklystron amplifier is finished based on beam-wave interaction characteristics of the amplifier in this paper. The diffraction Q variation with the size of the diffr...
The optimal design of the output cavity of a Ka-band second harmonic three-cavity gyroklystron amplifier is finished based on beam-wave interaction characteristics of the amplifier in this paper. The diffraction Q variation with the size of the diffr...
2005,
17.
Abstract:
In the paper, the bandwidths of highelectromagnetic pulses generated by high altitude nuclear explode, lightning, ESD have been investigated. In terms of the energy spectrums of the highEMP and the viewpoint of measurement validity, authors have pu...
In the paper, the bandwidths of highelectromagnetic pulses generated by high altitude nuclear explode, lightning, ESD have been investigated. In terms of the energy spectrums of the highEMP and the viewpoint of measurement validity, authors have pu...
2005,
17.
Abstract:
Electron beam performance parameters of a double-anode magnetron injection gun(MIG) for 8 mm second harmonic gyroklystron amplifier is calculated. According to these parameters, double-anode MIG is designed and optimized by using EGUN simulation. The...
Electron beam performance parameters of a double-anode magnetron injection gun(MIG) for 8 mm second harmonic gyroklystron amplifier is calculated. According to these parameters, double-anode MIG is designed and optimized by using EGUN simulation. The...
2005,
17.
Abstract:
This paper studies the combined TM01-TE11 mode converter, which consists of two bent circular waveguides with a straight circular waveguide between them. Keeping the axes parallel of both the output and the input ports, its structure is analyzed and ...
This paper studies the combined TM01-TE11 mode converter, which consists of two bent circular waveguides with a straight circular waveguide between them. Keeping the axes parallel of both the output and the input ports, its structure is analyzed and ...
2005,
17.
Abstract:
A method of improving radiation from TM01 model conical horn is presented, drielectric lens consisted of a number of sectors locates on aperture plane of conical horn, appropriate thickness of each sector is choosed ,the conical horn can radiate circ...
A method of improving radiation from TM01 model conical horn is presented, drielectric lens consisted of a number of sectors locates on aperture plane of conical horn, appropriate thickness of each sector is choosed ,the conical horn can radiate circ...
2005,
17.
Abstract:
The background and character of five different electron optic softwares(TWTCAD, EGUN, CAMEO, Workstation, Orprogr) were introduced, and the simulation of eleven different construction guns were present by the five softwares. After compared the pervea...
The background and character of five different electron optic softwares(TWTCAD, EGUN, CAMEO, Workstation, Orprogr) were introduced, and the simulation of eleven different construction guns were present by the five softwares. After compared the pervea...
2005,
17.
Abstract:
The propagation of electromagnetic pulses in uniform magnetized plasma is studied using the finite-difference timedomain (FDTD) method by means of Z transforms. The Z transform formulation of FDTD method is derived. The reflection and transmission c...
The propagation of electromagnetic pulses in uniform magnetized plasma is studied using the finite-difference timedomain (FDTD) method by means of Z transforms. The Z transform formulation of FDTD method is derived. The reflection and transmission c...
2005,
17.
Abstract:
The effects of microwave irradiation on the certain integrate circuit radio fuse from aspects of service and normal working state are studied. The damaged and accidental explosion threshold values for microwave irradiation on the radio fuse under tes...
The effects of microwave irradiation on the certain integrate circuit radio fuse from aspects of service and normal working state are studied. The damaged and accidental explosion threshold values for microwave irradiation on the radio fuse under tes...
2005,
17.
Abstract:
This paper is mainly concerned about the theoretical and experimental research of a novel high-power microwave device of the X-band five-unit Transit-time Tube Oscillator (TTTO), which is based on the transit-time effect. Firstly, the structure model...
This paper is mainly concerned about the theoretical and experimental research of a novel high-power microwave device of the X-band five-unit Transit-time Tube Oscillator (TTTO), which is based on the transit-time effect. Firstly, the structure model...
2005,
17.
Abstract:
In the numerical simulation of thermal blooming effects, how to choose the grid spacing and other computing parameters correctly is introduced. Based on the sample principles of numerical calculation, the choice of computing parameters is analyzed. C...
In the numerical simulation of thermal blooming effects, how to choose the grid spacing and other computing parameters correctly is introduced. Based on the sample principles of numerical calculation, the choice of computing parameters is analyzed. C...
2005,
17.
Abstract:
The thermal distortions of mirror substrates with such materials as silicon, copper, tungsten and beryllium oxide are calculated and analyzed by use of finite element methods. The results show that when the power of input laser with the diameter of 1...
The thermal distortions of mirror substrates with such materials as silicon, copper, tungsten and beryllium oxide are calculated and analyzed by use of finite element methods. The results show that when the power of input laser with the diameter of 1...
2005,
17.
Abstract:
ZrO2 films were prepared by electron beam evaporation method at different oxygen partial pressures. Through the measurement of XRD, surface thermal lensing technique, optical spectra and laser irradiate resistance testing, the microstructure, refract...
ZrO2 films were prepared by electron beam evaporation method at different oxygen partial pressures. Through the measurement of XRD, surface thermal lensing technique, optical spectra and laser irradiate resistance testing, the microstructure, refract...
2005,
17.
Abstract:
As the fundamentals of the fabrication of monolithically integrated optical receiver, a photodiode has been fabricated using laser assisted microprocessing. Laser induced local zinc diffusion has been used to form the p-n junction of the photodiode. ...
As the fundamentals of the fabrication of monolithically integrated optical receiver, a photodiode has been fabricated using laser assisted microprocessing. Laser induced local zinc diffusion has been used to form the p-n junction of the photodiode. ...
2005,
17.
Abstract:
The principle and the linear model of two photo laser induced flluorescence(TP-LIF) were presented and discussed in this paper. The CO Q-branch (0,0) band of the B1∑+←←X1∑＋ transition was excited near 230 nm and the B1∑+→A1Π band fluorescence was det...
The principle and the linear model of two photo laser induced flluorescence(TP-LIF) were presented and discussed in this paper. The CO Q-branch (0,0) band of the B1∑+←←X1∑＋ transition was excited near 230 nm and the B1∑+→A1Π band fluorescence was det...
2005,
17.
Abstract:
The analytical expression of the temperature rise of the heat sink of a diode laser array has been obtained by solving the heat conduction equation. The influence of convection heat transfer coefficient on the temperature rise of the top and the bott...
The analytical expression of the temperature rise of the heat sink of a diode laser array has been obtained by solving the heat conduction equation. The influence of convection heat transfer coefficient on the temperature rise of the top and the bott...
2005,
17.
Abstract:
Range gating is a kind of effective method that can eliminate backscattered light and increase the SNR of the range gated laser imaging system. The theory of range gating is described and the key techniques for range gating are analyzed in this paper...
Range gating is a kind of effective method that can eliminate backscattered light and increase the SNR of the range gated laser imaging system. The theory of range gating is described and the key techniques for range gating are analyzed in this paper...
2005,
17.
Abstract:
In this paper, radiation effects of 1 MeV electron on short wavelength Hg1-xCdxTe photovoltaic detectors have been studied. Response spectrum, currentvoltage characterization and detectivity were measured before and after irradiation to analyze the ...
In this paper, radiation effects of 1 MeV electron on short wavelength Hg1-xCdxTe photovoltaic detectors have been studied. Response spectrum, currentvoltage characterization and detectivity were measured before and after irradiation to analyze the ...
2005,
17.
Abstract:
The heat-deformation P-V value of Si mirror(80 mm×12.5 mm) fixed in radialfixing way analyzed by ANSYS is 0.109 3 μm, with net irradiation heat 100 W in 5 s by a -40 mm and co-axial uniform laser. And 0.138 8 μm by axialfixing way and 0.121 μm in t...
The heat-deformation P-V value of Si mirror(80 mm×12.5 mm) fixed in radialfixing way analyzed by ANSYS is 0.109 3 μm, with net irradiation heat 100 W in 5 s by a -40 mm and co-axial uniform laser. And 0.138 8 μm by axialfixing way and 0.121 μm in t...
2005,
17.
Abstract:
Serial optical fiber transmission technology will be used to transfer data from the detector electronics systems to the trigger system in the Beijing Spectrometer Ⅲ. This technology has the advantages of cutting off the ground loops between the elect...
Serial optical fiber transmission technology will be used to transfer data from the detector electronics systems to the trigger system in the Beijing Spectrometer Ⅲ. This technology has the advantages of cutting off the ground loops between the elect...
2005,
17.
Abstract:
In this article, an Nd∶YAG laser is used as light source of the probe system. The main switch signal of the pulsed accelerator can be chosen with specific time delay to trigger the laser system after a 100 ns innate time delay of the laser outer-trig...
In this article, an Nd∶YAG laser is used as light source of the probe system. The main switch signal of the pulsed accelerator can be chosen with specific time delay to trigger the laser system after a 100 ns innate time delay of the laser outer-trig...
2005,
17.
Abstract:
The experiments of microsecond conduction time plasma opening switch (POS) which has been operated at 100 kA current level are reported in this paper. As a result, the rise time of load current is between 54 to 76 ns. The maximal POS voltage of 1.38 ...
The experiments of microsecond conduction time plasma opening switch (POS) which has been operated at 100 kA current level are reported in this paper. As a result, the rise time of load current is between 54 to 76 ns. The maximal POS voltage of 1.38 ...
2005,
17.
Abstract:
This paper describes power matching of the 200 kW generator and RF cavity of HIRFL Injector RF system， working principle of matching measure system as well as matching system improvement and perfecting.It further calculates the input impedance and co...
This paper describes power matching of the 200 kW generator and RF cavity of HIRFL Injector RF system， working principle of matching measure system as well as matching system improvement and perfecting.It further calculates the input impedance and co...
2005,
17.
Abstract:
The simulation of vacuum ultraviolet (VUV) and the working mechanism, technical parameters as well as characters of the gas-jet device for simulating vacuum ultraviolet were introduced. The outgas, mass loss ratio (fSAML), interlayer shear strength (...
The simulation of vacuum ultraviolet (VUV) and the working mechanism, technical parameters as well as characters of the gas-jet device for simulating vacuum ultraviolet were introduced. The outgas, mass loss ratio (fSAML), interlayer shear strength (...
2005,
17.
Abstract:
To correct the beam orbit in the storage ring, it is required to measure offset of every quadrupole's megnetic center relative to electrical center of its adjacent beam position monitor (BPM). By varying individual quadrupole maganet strength, the of...
To correct the beam orbit in the storage ring, it is required to measure offset of every quadrupole's megnetic center relative to electrical center of its adjacent beam position monitor (BPM). By varying individual quadrupole maganet strength, the of...
2005,
17.
Abstract:
Pure permanent-magnet undulator consists of many magnets. The unavoidable remanence divergence of these magnets causes the undulator magnetic field error, which will affect the functional mode of the storage ring and the quality of the spontaneous em...
Pure permanent-magnet undulator consists of many magnets. The unavoidable remanence divergence of these magnets causes the undulator magnetic field error, which will affect the functional mode of the storage ring and the quality of the spontaneous em...
