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RSS2011 Vol. 23, No. 04
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2011,
23.
Abstract:
A numerical model of the thin composite disk side-pumped by ring laserdiode array (LDA) is set up. The LDA fast axis is upright to the disk surface and is compressed. The distribution of the pump, temperature and thermal stress in the thin disk is c...
A numerical model of the thin composite disk side-pumped by ring laserdiode array (LDA) is set up. The LDA fast axis is upright to the disk surface and is compressed. The distribution of the pump, temperature and thermal stress in the thin disk is c...
2011,
23.
Abstract:
Factors which have influences on the deformation of the water jet cooled mirror were analyzed. Numerical simulations of corresponding structural parameters were then made to explore general design laws of the water jet cooled mirror and an optimized ...
Factors which have influences on the deformation of the water jet cooled mirror were analyzed. Numerical simulations of corresponding structural parameters were then made to explore general design laws of the water jet cooled mirror and an optimized ...
2011,
23.
Abstract:
The double-end pumped polarizationmaintaining fiber laser was studied by using two semiconductor lasers LD1 and LD2. The output powers of the fiber laser were tested by using LD1 and LD2 single-end pumping and double-end pumping. The output power of...
The double-end pumped polarizationmaintaining fiber laser was studied by using two semiconductor lasers LD1 and LD2. The output powers of the fiber laser were tested by using LD1 and LD2 single-end pumping and double-end pumping. The output power of...
2011,
23.
Abstract:
The thermal field of metal plates in flows under laser irradiation has been computed. The flow was governed by the 3-D Reynolds averaged Navier-Stokes equations and the solid was governed by the energy equation. The k-ε turbulence model was used for ...
The thermal field of metal plates in flows under laser irradiation has been computed. The flow was governed by the 3-D Reynolds averaged Navier-Stokes equations and the solid was governed by the energy equation. The k-ε turbulence model was used for ...
2011,
23.
Abstract:
Air track method and impact pendulum method are two common measurement methods of impulse coupling coefficient. Relative errors were calculated and measurement experiments were carried out with the two methods, respectively. The results show that the...
Air track method and impact pendulum method are two common measurement methods of impulse coupling coefficient. Relative errors were calculated and measurement experiments were carried out with the two methods, respectively. The results show that the...
2011,
23.
Abstract:
Coherent combination of multiple segmented beams is one of the critical technical issues of high-power solid state lasers. Coherent beam combination by four group tilt/tip-piston mirrors is simulated by the stochastic parallel gradient descent (SPGD)...
Coherent combination of multiple segmented beams is one of the critical technical issues of high-power solid state lasers. Coherent beam combination by four group tilt/tip-piston mirrors is simulated by the stochastic parallel gradient descent (SPGD)...
2011,
23.
Abstract:
To improve the combining efficiency, stability and expandability of passive selfadjusting coherent combining arrays of fiber lasers, a novel coherent beam combining scheme of fiber lasers is proposed based on a common ring coupled cavity and single ...
To improve the combining efficiency, stability and expandability of passive selfadjusting coherent combining arrays of fiber lasers, a novel coherent beam combining scheme of fiber lasers is proposed based on a common ring coupled cavity and single ...
2011,
23.
Abstract:
The interaction of amplified spontaneous emission (ASE) flux and coherent laser flux as well as the effect of ASE in cuboid DF amplifiers are studied, by using a finite difference method and an iterative algorithm. The influence of input laser intens...
The interaction of amplified spontaneous emission (ASE) flux and coherent laser flux as well as the effect of ASE in cuboid DF amplifiers are studied, by using a finite difference method and an iterative algorithm. The influence of input laser intens...
2011,
23.
Abstract:
Using the method of generalized Huygens-Fresnel diffraction integral, this paper deduces the analytical expression of cosine-Gaussian beams propagating in a gradient-index medium, and analyzes the corresponding propagation properties of cosine-Gaussi...
Using the method of generalized Huygens-Fresnel diffraction integral, this paper deduces the analytical expression of cosine-Gaussian beams propagating in a gradient-index medium, and analyzes the corresponding propagation properties of cosine-Gaussi...
2011,
23.
Abstract:
In order to predict and estimate the effects of atmospheric turbulence, vibration of terminals and misalignment on space laser communication, the amplitude of detected signals changing with lateral offset (between the center of the focused beam and t...
In order to predict and estimate the effects of atmospheric turbulence, vibration of terminals and misalignment on space laser communication, the amplitude of detected signals changing with lateral offset (between the center of the focused beam and t...
2011,
23.
Abstract:
The differences of laser mean intensity on target that are induced by parameter errors are analyzed, and the effects of atmospheric parameter errors on the calculation precisions are obtained. The errors of wind velocity and aerosol absorption affect...
The differences of laser mean intensity on target that are induced by parameter errors are analyzed, and the effects of atmospheric parameter errors on the calculation precisions are obtained. The errors of wind velocity and aerosol absorption affect...
2011,
23.
Abstract:
A method of dim infrared target detection in complex background based on adaptive lateral inhibition network is presented, in order to improve the efficiency of long-range dim infrared target detection. The lateral inhibition network math model is es...
A method of dim infrared target detection in complex background based on adaptive lateral inhibition network is presented, in order to improve the efficiency of long-range dim infrared target detection. The lateral inhibition network math model is es...
2011,
23.
Abstract:
In order to increase the energy efficiency and output energy of solid lasers, the output characteristics of Nd:Ce:YAG crystal was studied, compared with simple Nd:YAG crystal. The impact on initial inverted population caused by the absorption spectru...
In order to increase the energy efficiency and output energy of solid lasers, the output characteristics of Nd:Ce:YAG crystal was studied, compared with simple Nd:YAG crystal. The impact on initial inverted population caused by the absorption spectru...
2011,
23.
Abstract:
The propagation of the linearly chirped few-cycle pulse Gaussian beam in the free space is studied by q parameters methods. The distribution of carrier-envelope phase drift in the temporal and spatial domain is analyzed by a zero-order amplitude and ...
The propagation of the linearly chirped few-cycle pulse Gaussian beam in the free space is studied by q parameters methods. The distribution of carrier-envelope phase drift in the temporal and spatial domain is analyzed by a zero-order amplitude and ...
2011,
23.
Abstract:
The scintillation index of laser beams propagating through turbulent atmosphere was theoretically investigated. Then a remote detection system for the analysis of turbulent atmosphere was built with a data processing module based on the ARM7 embedded...
The scintillation index of laser beams propagating through turbulent atmosphere was theoretically investigated. Then a remote detection system for the analysis of turbulent atmosphere was built with a data processing module based on the ARM7 embedded...
2011,
23.
Abstract:
For the lack of precise control tools in spectral beam combining using reflecting volume Bragg grating, a simple experimental setup was designed using lenses as control elements of beam incident angle and collimation. The optimal grating parameters w...
For the lack of precise control tools in spectral beam combining using reflecting volume Bragg grating, a simple experimental setup was designed using lenses as control elements of beam incident angle and collimation. The optimal grating parameters w...
2011,
23.
Abstract:
A fiber Bragg grating(FBG) was inscribed into Corning Hi1060 fiber by focused irradiation of 800 nm femtosecond laser pulses. The FBG was 8 mm long with the period of 2.9 μm, which corresponds to an eight-order grating for 1 042 nm. As the output cou...
A fiber Bragg grating(FBG) was inscribed into Corning Hi1060 fiber by focused irradiation of 800 nm femtosecond laser pulses. The FBG was 8 mm long with the period of 2.9 μm, which corresponds to an eight-order grating for 1 042 nm. As the output cou...
2011,
23.
Abstract:
An optical switch based on direct fiber coupling for high power transfer has been investigated by simulations and experiments. The switch employs MEMS V-grooves for optical fiber fixture, a miniature cam as the actuator and a stepper motor as the dri...
An optical switch based on direct fiber coupling for high power transfer has been investigated by simulations and experiments. The switch employs MEMS V-grooves for optical fiber fixture, a miniature cam as the actuator and a stepper motor as the dri...
2011,
23.
Abstract:
In order to get a high power high repetition solid-state laser, we designed the optical resonator by LAS-CAD software, and analysis the thermal effect of laser crystal and laser peculiarity parameters. According to emulation design result, we carried...
In order to get a high power high repetition solid-state laser, we designed the optical resonator by LAS-CAD software, and analysis the thermal effect of laser crystal and laser peculiarity parameters. According to emulation design result, we carried...
2011,
23.
Abstract:
A 532 nm wind lidar system based on a tetrad Fabry-Perot(FP) etalon using steady frequency YAG laser as laser radiation source was designed. In this paper, the fundamental theory of the Doppler wind lidar is introduced, major parameters of emission s...
A 532 nm wind lidar system based on a tetrad Fabry-Perot(FP) etalon using steady frequency YAG laser as laser radiation source was designed. In this paper, the fundamental theory of the Doppler wind lidar is introduced, major parameters of emission s...
2011,
23.
Abstract:
The paper presents the state of researches on the electromagnetic characteristics of hypervelocity impact produced plasma abroad. Electromagnetic characteristics of plasma generated by hypervelocity impact include electron temperature, particle densi...
The paper presents the state of researches on the electromagnetic characteristics of hypervelocity impact produced plasma abroad. Electromagnetic characteristics of plasma generated by hypervelocity impact include electron temperature, particle densi...
2011,
23.
Abstract:
A new method of designing reflective multilayer polarizers working in extreme ultraviolet (EUV) range at a single wavelength using different merit functions has been developed. A merit function of product of s-reflection throughput and logarithm of r...
A new method of designing reflective multilayer polarizers working in extreme ultraviolet (EUV) range at a single wavelength using different merit functions has been developed. A merit function of product of s-reflection throughput and logarithm of r...
2011,
23.
Abstract:
Experiments have been conducted on the pumping system of the SILEX-Ⅰ ultra-short pulse laser facility to study the optical power limiting property of a two-photon absorption material and the improvement of near field uniformity using the material. Th...
Experiments have been conducted on the pumping system of the SILEX-Ⅰ ultra-short pulse laser facility to study the optical power limiting property of a two-photon absorption material and the improvement of near field uniformity using the material. Th...
2011,
23.
Abstract:
Measurements of laser induced damage threshold (LIDT) of HfO2/SiO2 high-reflection (HR) dielectric mirrors at 1 064 nm were performed using four different testing methods, 1-on-1, S-on-1, R-on-1 and raster scan, according to the ISO 11254-1, -2 and o...
Measurements of laser induced damage threshold (LIDT) of HfO2/SiO2 high-reflection (HR) dielectric mirrors at 1 064 nm were performed using four different testing methods, 1-on-1, S-on-1, R-on-1 and raster scan, according to the ISO 11254-1, -2 and o...
2011,
23.
Abstract:
With the calibrated silicon photodiode as standard detector, the sensitivity of X-ray diodes (XRDs) with different photocathodes (Al and Au) has been absolutely measured on the Beijing Synchrontron Radiation Facility. The 2nd-order harmonic in the li...
With the calibrated silicon photodiode as standard detector, the sensitivity of X-ray diodes (XRDs) with different photocathodes (Al and Au) has been absolutely measured on the Beijing Synchrontron Radiation Facility. The 2nd-order harmonic in the li...
2011,
23.
Abstract:
Film samples, especially the complex sample, require thickness measurement in very high precision, which can not be achieved by weighing method due to the samples’ small mass. The beamlines of median energy(4B7A) and low energy(4B7B) in Beijing Synch...
Film samples, especially the complex sample, require thickness measurement in very high precision, which can not be achieved by weighing method due to the samples’ small mass. The beamlines of median energy(4B7A) and low energy(4B7B) in Beijing Synch...
2011,
23.
Abstract:
Electron beam evaporation method was applied to deposit three sets of 1 064 nm laser mirrors with different outmost layers: quarter-wavelength HfO2， half-wavelength SiO2 and quarterwavelength SiO2 layers, respectively. High reflectivity (more than 9...
Electron beam evaporation method was applied to deposit three sets of 1 064 nm laser mirrors with different outmost layers: quarter-wavelength HfO2， half-wavelength SiO2 and quarterwavelength SiO2 layers, respectively. High reflectivity (more than 9...
2011,
23.
Abstract:
Free-standing Zr film was prepared through direct-current magnetron sputtering. Polyimide (PI) film was prepared by a two-step process: After fully reaction between PMDA and ODA in DMAC, polyamic acid was produced; PI film was prepared when polyamic ...
Free-standing Zr film was prepared through direct-current magnetron sputtering. Polyimide (PI) film was prepared by a two-step process: After fully reaction between PMDA and ODA in DMAC, polyamic acid was produced; PI film was prepared when polyamic ...
2011,
23.
Abstract:
Multiphase plasma aerodynamic actuation is produced when the phases of the plasma electrodes are different. A system of particle image velocimetry(PIV) was established， and the experimental study on the characteristic of plasma aerodynamic actuation ...
Multiphase plasma aerodynamic actuation is produced when the phases of the plasma electrodes are different. A system of particle image velocimetry(PIV) was established， and the experimental study on the characteristic of plasma aerodynamic actuation ...
2011,
23.
Abstract:
UV-curable cationic composite adhesives containing TiO2 nanostructures were prepared by using 3,4-epoxycyclohexylmethyl 3, 4-epoxycyclohexanecarboxylate(CE) as monomer, triphenylsulfonium hexafluorophosphate salt (PI-432) as photoinitiator and titani...
UV-curable cationic composite adhesives containing TiO2 nanostructures were prepared by using 3,4-epoxycyclohexylmethyl 3, 4-epoxycyclohexanecarboxylate(CE) as monomer, triphenylsulfonium hexafluorophosphate salt (PI-432) as photoinitiator and titani...
2011,
23.
Abstract:
A novel compound measuring method for sphericity error detection of ICF target is proposed. Combining the advantages of laser probe and CCD camera, this method can effectively integrate the data captured by laser probe and CCD camera into the same co...
A novel compound measuring method for sphericity error detection of ICF target is proposed. Combining the advantages of laser probe and CCD camera, this method can effectively integrate the data captured by laser probe and CCD camera into the same co...
2011,
23.
Abstract:
A relativistic backward wave oscillator (RBWO) with resonant reflector has been designed to produce dual-frequency microwaves. The 2.5 dimensional fully electromagnetic simulation software was adopted to simulate the cylindrical RBWO. Dual-frequency ...
A relativistic backward wave oscillator (RBWO) with resonant reflector has been designed to produce dual-frequency microwaves. The 2.5 dimensional fully electromagnetic simulation software was adopted to simulate the cylindrical RBWO. Dual-frequency ...
2011,
23.
Abstract:
The principle of Guanella-type transmission line transformer (TLT) is presented, and its characteristics of impedance transformation and balance to unbalance transition are analyzed by using the telegraph equation. To obtain the best input impedance ...
The principle of Guanella-type transmission line transformer (TLT) is presented, and its characteristics of impedance transformation and balance to unbalance transition are analyzed by using the telegraph equation. To obtain the best input impedance ...
2011,
23.
Abstract:
Based on the scales theory of electromagnetic waves, an anisotropic dielectric ellipsoid is reconstructed into an isotropic one in both electromagnetic and shape parameters. An analytical expression of the electric field inside the anisotropic dielec...
Based on the scales theory of electromagnetic waves, an anisotropic dielectric ellipsoid is reconstructed into an isotropic one in both electromagnetic and shape parameters. An analytical expression of the electric field inside the anisotropic dielec...
2011,
23.
Abstract:
A novel diplexer for the coupling output of GW level microwaves has been investigated, which consists of an array of periodically spaced cylindrical rods. The factors influencing the selection of spatial harmonics for the diplexer were researched, an...
A novel diplexer for the coupling output of GW level microwaves has been investigated, which consists of an array of periodically spaced cylindrical rods. The factors influencing the selection of spatial harmonics for the diplexer were researched, an...
2011,
23.
Abstract:
Two kinds of improved parallel algorithms for 3D PIC simulation have been designed, which can reduce one step of process synchronization in a time step. However, due to the motion path and initial position of particles related to random function, onl...
Two kinds of improved parallel algorithms for 3D PIC simulation have been designed, which can reduce one step of process synchronization in a time step. However, due to the motion path and initial position of particles related to random function, onl...
2011,
23.
Abstract:
A compact P-band relativistic backward wave oscillator is investigated using theoretical and simulation method. The coaxial slow wave structure and the coaxial extractor structure are designed to reduce the size and increase the efficiency of the P-b...
A compact P-band relativistic backward wave oscillator is investigated using theoretical and simulation method. The coaxial slow wave structure and the coaxial extractor structure are designed to reduce the size and increase the efficiency of the P-b...
2011,
23.
Abstract:
The dual-electron beam coaxial relativistic backward wave oscillator(RBWO) was firstly put forward to produce dual frequency microwave output. The properties of the RBWO we investigated with a 2.5-dimensional relativistic fully electromagnetic PIC so...
The dual-electron beam coaxial relativistic backward wave oscillator(RBWO) was firstly put forward to produce dual frequency microwave output. The properties of the RBWO we investigated with a 2.5-dimensional relativistic fully electromagnetic PIC so...
2011,
23.
Abstract:
The electron beam generated by the Dragon-Ⅰ linear induction accelerator strikes the bremsstrahlung converter target to generate X-ray and causes tantalum target damage and hydrodynamic expansion, which results in target density decreasing for succes...
The electron beam generated by the Dragon-Ⅰ linear induction accelerator strikes the bremsstrahlung converter target to generate X-ray and causes tantalum target damage and hydrodynamic expansion, which results in target density decreasing for succes...
2011,
23.
Abstract:
In order to meet the physical requirements, taper mechanism was applied to mechanical system design of in-vacuum undulator. This paper conducted a linear static analysis on taper mechanism, the key part of in-vacuum undulator developed by the Shangha...
In order to meet the physical requirements, taper mechanism was applied to mechanical system design of in-vacuum undulator. This paper conducted a linear static analysis on taper mechanism, the key part of in-vacuum undulator developed by the Shangha...
2011,
23.
Abstract:
In allusion to Brookhaven National Laboratory(BNL) type photocathode RF gun, we simulated and optimized the influence of drive laser oblique incidence on beam quality. Different distributions of drive laser were considered. We optimized the transvers...
In allusion to Brookhaven National Laboratory(BNL) type photocathode RF gun, we simulated and optimized the influence of drive laser oblique incidence on beam quality. Different distributions of drive laser were considered. We optimized the transvers...
2011,
23.
Abstract:
Making good use of harmonic radiation field is one of the most straight forward methods to generate radiation at short wavelength. The enhancement of undulator harmonic magnetic field could increase the radiation intensity at the harmonic wavelength....
Making good use of harmonic radiation field is one of the most straight forward methods to generate radiation at short wavelength. The enhancement of undulator harmonic magnetic field could increase the radiation intensity at the harmonic wavelength....
2011,
23.
Abstract:
The digital transverse feedback system is used to suppress the transverse beam instabilities at Hefei Light Source (HLS). During the commissioning of the feedback system, a turn-by-turn measurement system has been adopted to gather beam position info...
The digital transverse feedback system is used to suppress the transverse beam instabilities at Hefei Light Source (HLS). During the commissioning of the feedback system, a turn-by-turn measurement system has been adopted to gather beam position info...
2011,
23.
Abstract:
The clinical trials of tumor therapy using heavy ion beams, supplied by the cooler storage ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR) with the energy of 100 to 450 MeV/u, are now in progress at the Institute of Modern Physics in L...
The clinical trials of tumor therapy using heavy ion beams, supplied by the cooler storage ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR) with the energy of 100 to 450 MeV/u, are now in progress at the Institute of Modern Physics in L...
2011,
23.
Abstract:
In order to realize accurate power measurement and effective protection of the transmitter, the principle of directional coupler, and the method of parameter calibration and power measurement applied to the RF transmitter system are described. Accord...
In order to realize accurate power measurement and effective protection of the transmitter, the principle of directional coupler, and the method of parameter calibration and power measurement applied to the RF transmitter system are described. Accord...
2011,
23.
Abstract:
The transmission of strong beam electrons (1 to 10 μA) through a tapered SiO2 capillary was investigated. The time dependence of the total transmitted fraction and one-dimension angular distribution of transmitted electrons were experimentally studie...
The transmission of strong beam electrons (1 to 10 μA) through a tapered SiO2 capillary was investigated. The time dependence of the total transmitted fraction and one-dimension angular distribution of transmitted electrons were experimentally studie...
Local field effects induced by near-dipole-dipole interaction in optically dense and resonant medium
2011,
23.
Abstract:
The interactions between an ultrashort intense pulse and a dense resonant medium with local-field effects induced by near-dipole-dipole interaction were investigated. According to the semi-classical theory of light-matter interaction, the modified Bl...
The interactions between an ultrashort intense pulse and a dense resonant medium with local-field effects induced by near-dipole-dipole interaction were investigated. According to the semi-classical theory of light-matter interaction, the modified Bl...
2011,
23.
Abstract:
In order to explore kinetic behaviors of electrolysis of tantalum, the electrolytic polishing of tantalum in sulfuric acid-methanol solution was experimentally studied. The influence of electrolyte composition, cell potential and stirring speed on th...
In order to explore kinetic behaviors of electrolysis of tantalum, the electrolytic polishing of tantalum in sulfuric acid-methanol solution was experimentally studied. The influence of electrolyte composition, cell potential and stirring speed on th...
2011,
23.
Abstract:
Number densities of active particles（N2(v6),N2(A3),O2(a1),O and O3） in non-equilibrium plasma were calculated and analyzed under the condition of air discharges with various initial temperatures, reduced electric fields and electron number densities....
Number densities of active particles（N2(v6),N2(A3),O2(a1),O and O3） in non-equilibrium plasma were calculated and analyzed under the condition of air discharges with various initial temperatures, reduced electric fields and electron number densities....
2011,
23.
Abstract:
In the interaction of a high-intensity laser pulse with a solid target, most of the absorbed laser energy is converted into hot electrons. These electrons transport in solid targets, and in the same time can ionize the K-shell electrons, and produce ...
In the interaction of a high-intensity laser pulse with a solid target, most of the absorbed laser energy is converted into hot electrons. These electrons transport in solid targets, and in the same time can ionize the K-shell electrons, and produce ...
2011,
23.
Abstract:
Calculations of dielectronic recombination(DR) rate coefficients from the ground state 3s23p63d104s24p64d of Rb-like W37+ ions through doubly excited states (3s23p63d104s24p64d))-1nln′l′(n,n′=4,5) are performed using the fully relativistic configurat...
Calculations of dielectronic recombination(DR) rate coefficients from the ground state 3s23p63d104s24p64d of Rb-like W37+ ions through doubly excited states (3s23p63d104s24p64d))-1nln′l′(n,n′=4,5) are performed using the fully relativistic configurat...
2011,
23.
Abstract:
To study the total reflection through effect and filtering properties of 1D photonic crystal, the transition matrix method is adopted to calculate the transmissivity of TE wave and TM wave propagating through 1D photonic crystal with incident angle g...
To study the total reflection through effect and filtering properties of 1D photonic crystal, the transition matrix method is adopted to calculate the transmissivity of TE wave and TM wave propagating through 1D photonic crystal with incident angle g...
2011,
23.
Abstract:
As probability theory and interval analysis have some shortages in uncertainty quantification of target voltage in the case of limited test samples of key parameters, an uncertainty quantification method based on Dempster-Shafer(D-S) theory was descr...
As probability theory and interval analysis have some shortages in uncertainty quantification of target voltage in the case of limited test samples of key parameters, an uncertainty quantification method based on Dempster-Shafer(D-S) theory was descr...
2011,
23.
Abstract:
The lanthanum hexaboride (LaB6) thin film cathode was deposited on large-area glass substrate and Ta substrate by the method of electron-beam deposition under the substrate temperature of 250 ℃ and the vacuum of 2×10-4 Pa. The deposited LaB6 thin fil...
The lanthanum hexaboride (LaB6) thin film cathode was deposited on large-area glass substrate and Ta substrate by the method of electron-beam deposition under the substrate temperature of 250 ℃ and the vacuum of 2×10-4 Pa. The deposited LaB6 thin fil...
2011,
23.
Abstract:
Based on the relation among electron range, incident energy and energy exponential, energy exponential about 1.72 in aluminum and energy exponential about 1.62 in gold for high energy incident electron were computed by ESTAR program, respectively .Ba...
Based on the relation among electron range, incident energy and energy exponential, energy exponential about 1.72 in aluminum and energy exponential about 1.62 in gold for high energy incident electron were computed by ESTAR program, respectively .Ba...
2011,
23.
Abstract:
The equivalent circuit of passive integrator has been established and simulated considering its stray parameters. The higher frequency restriction of the integrator is found to be determined by the stray inductance from integral capacitor and the str...
The equivalent circuit of passive integrator has been established and simulated considering its stray parameters. The higher frequency restriction of the integrator is found to be determined by the stray inductance from integral capacitor and the str...
2011,
23.
Abstract:
A current diagnostic system included a B-dot array and a Rogowski coil was designed for the Flash Ⅱ accelerator diode. Flashes on the insulator surface were monitored and their impact on the output of the diode was discussed based on the differences ...
A current diagnostic system included a B-dot array and a Rogowski coil was designed for the Flash Ⅱ accelerator diode. Flashes on the insulator surface were monitored and their impact on the output of the diode was discussed based on the differences ...
2011,
23.
Abstract:
The point-plane geometry with iron electrode system was employed in the electrical tree initiation experiment under high voltage nanosecond pulses, with both single and multiple needle electrodes. The result of the latter electrode scheme has a good ...
The point-plane geometry with iron electrode system was employed in the electrical tree initiation experiment under high voltage nanosecond pulses, with both single and multiple needle electrodes. The result of the latter electrode scheme has a good ...
2011,
23.
Abstract:
During the experimental study of a long-pulse intense-current foilless diode, surface flashover along its insulator was observed. The analysis of the phenomenon shows that, too short distance between the shield ring and insulator resulted in an inten...
During the experimental study of a long-pulse intense-current foilless diode, surface flashover along its insulator was observed. The analysis of the phenomenon shows that, too short distance between the shield ring and insulator resulted in an inten...
2011,
23.
Abstract:
A three-electrode, field-distortion-triggered rail gap switch was developed. The self-breakdown curve of the rail gap switch was obtained with different gas species for insulation, i.e. N2, SF6(15%)/Ar(85%) and dry air, which shows a linearity and a ...
A three-electrode, field-distortion-triggered rail gap switch was developed. The self-breakdown curve of the rail gap switch was obtained with different gas species for insulation, i.e. N2, SF6(15%)/Ar(85%) and dry air, which shows a linearity and a ...
2011,
23.
Abstract:
A synchronization system for laser triggered transformer-type coaxial spiral pulse modulator was designed. Using the electrical pulse to trigger the primary trigger switch and the laser pulse to trigger the main gas switch of the pulse forming line (...
A synchronization system for laser triggered transformer-type coaxial spiral pulse modulator was designed. Using the electrical pulse to trigger the primary trigger switch and the laser pulse to trigger the main gas switch of the pulse forming line (...
