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RSS2013 Vol. 25, No. 11
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2013,
25: 2777-2779.
doi: 10.3788/HPLPB20132511.2777
Abstract:
The paper presents the results of non-thermal transient plasma and thermal transient plasma ignition for delay reduction of quiescent ethene-air mixture in a cylinder combustion chamber. The non-thermal transient plasma and thermal transient plasma w...
The paper presents the results of non-thermal transient plasma and thermal transient plasma ignition for delay reduction of quiescent ethene-air mixture in a cylinder combustion chamber. The non-thermal transient plasma and thermal transient plasma w...
2013,
25: 2780-2784.
doi: 10.3788/HPLPB20132511.2780
Abstract:
The beam parameters measurement is the most important work for the study of linear induction accelerator(LIA). The beam parameters are important to evaluate the character of the beam. The demands of beam parameters measurement are improving while the...
The beam parameters measurement is the most important work for the study of linear induction accelerator(LIA). The beam parameters are important to evaluate the character of the beam. The demands of beam parameters measurement are improving while the...
2013,
25: 2785-2787.
doi: 10.3788/HPLPB20132511.2785
Abstract:
We reported the experiments of 1137 nm Yb-doped fiber laser, which was pumped by 976 nm laser diode and 1040 nm fiber laser respectively. Both of the output powers of the experiments were over hundred-milliwatt. The laser was a linear cavity. The ref...
We reported the experiments of 1137 nm Yb-doped fiber laser, which was pumped by 976 nm laser diode and 1040 nm fiber laser respectively. Both of the output powers of the experiments were over hundred-milliwatt. The laser was a linear cavity. The ref...
2013,
25: 2788-2792.
doi: 10.3788/HPLPB20132511.2788
Abstract:
Based on Mach-Zehnder interferometer placed in electro-optic crystal, and using the principles of double beam interference of the Mach-Zehnder interferometer and the linear electro-optic effect of the crystal, a new method of scanning filtering for i...
Based on Mach-Zehnder interferometer placed in electro-optic crystal, and using the principles of double beam interference of the Mach-Zehnder interferometer and the linear electro-optic effect of the crystal, a new method of scanning filtering for i...
2013,
25: 2793-2798.
doi: 10.3788/HPLPB20132511.2793
Abstract:
The self-focusing transmission , filamentation, breakdown of intense laser pulses in water, and sound pressure waves generated during breakdown become a hot topic of intense laser pulse application research. Ionization generated bubbles compress the ...
The self-focusing transmission , filamentation, breakdown of intense laser pulses in water, and sound pressure waves generated during breakdown become a hot topic of intense laser pulse application research. Ionization generated bubbles compress the ...
2013,
25: 2799-2802.
doi: 10.3788/HPLPB20132511.2799
Abstract:
We designed a phase transition cooling system with thermal energy storage solutions, and designed a spray phase transition cooler and microchannel phase transition coolers that meet the need of heat dispersion for high power diode laser. By use of NH...
We designed a phase transition cooling system with thermal energy storage solutions, and designed a spray phase transition cooler and microchannel phase transition coolers that meet the need of heat dispersion for high power diode laser. By use of NH...
2013,
25: 2803-2806.
doi: 10.3788/HPLPB20132511.2803
Abstract:
Based on the Fox-Li iterative method, a planar ring cavity is modeled with optical simulation software GLAD, to study the effect of mirror tilt on the oscillation mode. The mode intensity distribution, the peak intensity position and the loss of the ...
Based on the Fox-Li iterative method, a planar ring cavity is modeled with optical simulation software GLAD, to study the effect of mirror tilt on the oscillation mode. The mode intensity distribution, the peak intensity position and the loss of the ...
2013,
25: 2807-2810.
doi: 10.3788/HPLPB20132511.2807
Abstract:
100 MHz high repetition rate lasers are experimentally realized with narrow bandwidth and tunable wavelength. A single-frequency CW seed source is modulated by an electro-optical (EO) modulator to achieve pulsed lasers. The pulsed laser is amplified ...
100 MHz high repetition rate lasers are experimentally realized with narrow bandwidth and tunable wavelength. A single-frequency CW seed source is modulated by an electro-optical (EO) modulator to achieve pulsed lasers. The pulsed laser is amplified ...
2013,
25: 2811-2815.
doi: 10.3788/HPLPB20132511.2811
Abstract:
For the problem of small infrared target detection with complex background interference and noises, an improved dim small infrared target detection algorithm based on nonsubsampled Contourlet transform (NSCT) is put forward. Firstly, the infrared ima...
For the problem of small infrared target detection with complex background interference and noises, an improved dim small infrared target detection algorithm based on nonsubsampled Contourlet transform (NSCT) is put forward. Firstly, the infrared ima...
2013,
25: 2816-2820.
doi: 10.3788/HPLPB20132511.2816
Abstract:
In order to realize the spot homogenization and beam shaping of high-power laser diode stack, a homogenization system is proposed based on double cylindrical lenses in the slow axis direction. The double cylindrical lenses are used to collimate beams...
In order to realize the spot homogenization and beam shaping of high-power laser diode stack, a homogenization system is proposed based on double cylindrical lenses in the slow axis direction. The double cylindrical lenses are used to collimate beams...
2013,
25: 2821-2825.
doi: 10.3788/HPLPB20132511.2821
Abstract:
Laser induced polarization spectroscopy (LIPS) and laser induced fluorescence (LIF) measurement techniques have been employed simultaneously to diagnose CH4/AIR flame. Fluorescence spectra and polarization spectra of OH were measured at different hei...
Laser induced polarization spectroscopy (LIPS) and laser induced fluorescence (LIF) measurement techniques have been employed simultaneously to diagnose CH4/AIR flame. Fluorescence spectra and polarization spectra of OH were measured at different hei...
2013,
25: 2826-2830.
doi: 10.3788/HPLPB20132511.2826
Abstract:
An in situ multi-beam optical stress sensor system was used to monitor and analyze the force per unit width and stress evolution during and after the deposition of magnetron-sputtered Si and SiNx films. A rapid stress relaxation, as well as a recover...
An in situ multi-beam optical stress sensor system was used to monitor and analyze the force per unit width and stress evolution during and after the deposition of magnetron-sputtered Si and SiNx films. A rapid stress relaxation, as well as a recover...
2013,
25: 2831-2835.
doi: 10.3788/HPLPB20132511.2831
Abstract:
A high efficiency, composite and air cooling LD end-pumped Nd:YVO4, acousto-optic Q-switched, and LBO(critical phase matching) intracavity doubled all-solid-state green laser is reported. By analyzing the absorption characteristics, with different po...
A high efficiency, composite and air cooling LD end-pumped Nd:YVO4, acousto-optic Q-switched, and LBO(critical phase matching) intracavity doubled all-solid-state green laser is reported. By analyzing the absorption characteristics, with different po...
2013,
25: 2836-2840.
doi: 10.3788/HPLPB20132511.2836
Abstract:
A model was developed for the description of inclusion-induced damage in fused silica by nanosecond-pulse laser at 355 nm. We calculated the temperature of impurity particles with their sizes increasing, and obtained the correlation between the criti...
A model was developed for the description of inclusion-induced damage in fused silica by nanosecond-pulse laser at 355 nm. We calculated the temperature of impurity particles with their sizes increasing, and obtained the correlation between the criti...
2013,
25: 2841-2845.
doi: 10.3788/HPLPB20132511.2841
Abstract:
Systematic error is a part of error sources in atmospheric CO2 high precision retrieval, such as the effect of precision deficiency of temperature profile, pressure profile, H2O and atmospheric layers. This error is hard to overcome only using CO2 ba...
Systematic error is a part of error sources in atmospheric CO2 high precision retrieval, such as the effect of precision deficiency of temperature profile, pressure profile, H2O and atmospheric layers. This error is hard to overcome only using CO2 ba...
2013,
25: 2846-2850.
doi: 10.3788/HPLPB20132511.2846
Abstract:
Based on the principle of polarization modulation and optical interference, a microwave photonic filter with positive coefficients and negative coefficients is proposed and an experimental model is set up to verify the feasibility of the project desi...
Based on the principle of polarization modulation and optical interference, a microwave photonic filter with positive coefficients and negative coefficients is proposed and an experimental model is set up to verify the feasibility of the project desi...
2013,
25: 2851-2855.
doi: 10.3788/HPLPB20132511.2851
Abstract:
This article expatiated the theory of the thermal-structural-optical (TSO) integrated analysis and interface polynomial. The integrated analysis method was applied to the laser optical system. First of all, the thermal analysis and structure analysis...
This article expatiated the theory of the thermal-structural-optical (TSO) integrated analysis and interface polynomial. The integrated analysis method was applied to the laser optical system. First of all, the thermal analysis and structure analysis...
2013,
25: 2856-2860.
doi: 10.3788/HPLPB20132511.2856
Abstract:
By using synchronous powder feeding system, Fe-based cladding layers reinforced with in-situ TiVC2 particles were synthesized on 42CrMo roller by laser cladding the mixture powders of ferrotitanium, ferrovanadium and graphite. The cladding layers hav...
By using synchronous powder feeding system, Fe-based cladding layers reinforced with in-situ TiVC2 particles were synthesized on 42CrMo roller by laser cladding the mixture powders of ferrotitanium, ferrovanadium and graphite. The cladding layers hav...
2013,
25: 2861-2864.
doi: 10.3788/HPLPB20132511.2861
Abstract:
With femtosecond laser pulse shaping technique, the coherent control of non-resonant two-photon transition in a molecular system (perylene dissolved in chloroform solution) is studied theoretically and experimentally. The femtosecond pulse is shaped ...
With femtosecond laser pulse shaping technique, the coherent control of non-resonant two-photon transition in a molecular system (perylene dissolved in chloroform solution) is studied theoretically and experimentally. The femtosecond pulse is shaped ...
2013,
25: 2865-2868.
doi: 10.3788/HPLPB20132511.2865
Abstract:
A self-developed miniaturized stress loading system equipped with residual stress neutron diffractometer can actualize in situ measurement of polycrystalline material. It makes possible further acquirement about phase, texture and stress evolution wi...
A self-developed miniaturized stress loading system equipped with residual stress neutron diffractometer can actualize in situ measurement of polycrystalline material. It makes possible further acquirement about phase, texture and stress evolution wi...
2013,
25: 2869-2872.
doi: 10.3788/HPLPB20132511.2869
Abstract:
A novel liquid-level sensor based on a chirped-fiber Bragg grating (CFBG) is proposed，It is mainly constituted of a rectangular cantilever beam sensing mechanism and a fiber optic spectrometer. The expression of relationship between the liquid-level ...
A novel liquid-level sensor based on a chirped-fiber Bragg grating (CFBG) is proposed，It is mainly constituted of a rectangular cantilever beam sensing mechanism and a fiber optic spectrometer. The expression of relationship between the liquid-level ...
2013,
25: 2873-2876.
doi: 10.3788/HPLPB20132511.2873
Abstract:
To improve the forming performance of low density polymer foams and to meet the requirement of ICF physical experiments, the forming control of low density polymer foams was studied using thermally induced phase-inversion technique combined with in s...
To improve the forming performance of low density polymer foams and to meet the requirement of ICF physical experiments, the forming control of low density polymer foams was studied using thermally induced phase-inversion technique combined with in s...
2013,
25: 2877-2881.
doi: 10.3788/HPLPB20132511.2877
Abstract:
An arbitrary Rogowski coil expression was deduced in this paper. Using high permeability magnetic core and adding turns of the coil, the Rogowski coil was designed, which could measure the low current with slow-rising edge. And the electron-beam sign...
An arbitrary Rogowski coil expression was deduced in this paper. Using high permeability magnetic core and adding turns of the coil, the Rogowski coil was designed, which could measure the low current with slow-rising edge. And the electron-beam sign...
2013,
25: 2882-2886.
doi: 10.3788/HPLPB20132511.2882
Abstract:
The dynamic process of nanosecond laser induced damage of fused silicas input-surface, output-surface and bulk in air was investigated by ultrafast time-resolved shadowgraphs. The comparison and analysis of the damage mechanisms of the input-surface,...
The dynamic process of nanosecond laser induced damage of fused silicas input-surface, output-surface and bulk in air was investigated by ultrafast time-resolved shadowgraphs. The comparison and analysis of the damage mechanisms of the input-surface,...
2013,
25: 2887-2890.
doi: 10.3788/HPLPB20132511.2887
Abstract:
It is important to reduce the capsule preheating from gold M-band emission in inertial confinement fusion experiments. A flat-response X-ray detector consisted of particular compound filters and an X-ray diode was adopted to measure the evolution of ...
It is important to reduce the capsule preheating from gold M-band emission in inertial confinement fusion experiments. A flat-response X-ray detector consisted of particular compound filters and an X-ray diode was adopted to measure the evolution of ...
2013,
25: 2891-2894.
doi: 10.3788/HPLPB20132511.2891
Abstract:
The pulse shapes of loading pressure and driven laser were deduced based on compression isentrope of condensed matter, and the ramp compression simulations of aluminum were performed by hydrodynamic code MULTI. The process of the ramp compression is ...
The pulse shapes of loading pressure and driven laser were deduced based on compression isentrope of condensed matter, and the ramp compression simulations of aluminum were performed by hydrodynamic code MULTI. The process of the ramp compression is ...
2013,
25: 2895-2899.
doi: 10.3788/HPLPB20132511.2895
Abstract:
According to the target chamber structure and shooting mode of SG-Ⅲ laser facility, a static X-ray imaging system (SXI) has been successfully developed based on the principle of pin-hole imaging. This system uses the imitated target for off-line targ...
According to the target chamber structure and shooting mode of SG-Ⅲ laser facility, a static X-ray imaging system (SXI) has been successfully developed based on the principle of pin-hole imaging. This system uses the imitated target for off-line targ...
2013,
25: 2900-2904.
doi: 10.3788/HPLPB20132511.2900
Abstract:
Systems of two-beam interference lithography and laser rapid scanning lithography were constructed. Gratings with different period and depth were fabricated over large areas by laser interference lithography. Utilizing the two-dimensional scan functi...
Systems of two-beam interference lithography and laser rapid scanning lithography were constructed. Gratings with different period and depth were fabricated over large areas by laser interference lithography. Utilizing the two-dimensional scan functi...
2013,
25: 2905-2908.
doi: 10.3788/HPLPB20132511.2905
Abstract:
Low-density tungsten-doped poly(4-methyl-1-petene) (PMP) polymer foams were prepared with thermal induced phase inversion method using PMP as the foam skeleton material, tungsten in micron dimension as doping materials, and upper ultra-high molecular...
Low-density tungsten-doped poly(4-methyl-1-petene) (PMP) polymer foams were prepared with thermal induced phase inversion method using PMP as the foam skeleton material, tungsten in micron dimension as doping materials, and upper ultra-high molecular...
2013,
25: 2909-2913.
doi: 10.3788/HPLPB20132511.2909
Abstract:
The treatment of H2S gas by the atmospheric pressure microwave plasma jet (MPJ) technology was studied. The influences of the temperature, the microwave power, the carrier(Ar) flow and total gas flow rate on H2S decomposition were investigated. The r...
The treatment of H2S gas by the atmospheric pressure microwave plasma jet (MPJ) technology was studied. The influences of the temperature, the microwave power, the carrier(Ar) flow and total gas flow rate on H2S decomposition were investigated. The r...
2013,
25: 2914-2918.
doi: 10.3788/HPLPB20132511.2914
Abstract:
With the mathematical statistics method, the impact of random phase error with arbitrary probability distribution on power combining efficiency of antenna array was analyzed. The analytic relationship between random phase error and expectation of com...
With the mathematical statistics method, the impact of random phase error with arbitrary probability distribution on power combining efficiency of antenna array was analyzed. The analytic relationship between random phase error and expectation of com...
2013,
25: 2919-2921.
doi: 10.3788/HPLPB20132511.2919
Abstract:
A novel design on miniaturized low-pass filters from artificial transmission line structures is proposed. Reactance components, i. e. capacitors and inductors, are directly constructed from microstrip structures based on electromagnetic simulation an...
A novel design on miniaturized low-pass filters from artificial transmission line structures is proposed. Reactance components, i. e. capacitors and inductors, are directly constructed from microstrip structures based on electromagnetic simulation an...
2013,
25: 2922-2926.
doi: 10.3788/HPLPB20132511.2922
Abstract:
The suppression of the frequency spectrum noise is the key in the magnetron research. The performance of 14-vanes 5.8 GHz strapped magnetron is modeled, including cathode, vane, straps, pole pieces and output antenna. The cavity frequency is 5.86 GHz...
The suppression of the frequency spectrum noise is the key in the magnetron research. The performance of 14-vanes 5.8 GHz strapped magnetron is modeled, including cathode, vane, straps, pole pieces and output antenna. The cavity frequency is 5.86 GHz...
2013,
25: 2927-2930.
doi: 10.3788/HPLPB20132511.2927
Abstract:
To reduce the Gyro-TWT cathode heating power, the paper adopts a new cathode structure with opening slot and adding heat shield on its support cylinder. The finite element analysis software ANSYS is used to optimize the number and the depth of slot a...
To reduce the Gyro-TWT cathode heating power, the paper adopts a new cathode structure with opening slot and adding heat shield on its support cylinder. The finite element analysis software ANSYS is used to optimize the number and the depth of slot a...
2013,
25: 2931-2938.
doi: 10.3788/HPLPB20132511.2931
Abstract:
One- and two- dimensional discontinuous Galerkin finite-element (DGFE) operators for solving Maxwells equations are investigated in this paper. These operators are based on unconventional spaces of approximation functions. Unlike in the existing DGFE...
One- and two- dimensional discontinuous Galerkin finite-element (DGFE) operators for solving Maxwells equations are investigated in this paper. These operators are based on unconventional spaces of approximation functions. Unlike in the existing DGFE...
2013,
25: 2939-2942.
doi: 10.3788/HPLPB20132511.2939
Abstract:
A model of multimode startup in the coaxial-cavity gyrotron operating at higher-order mode with mode competition taken into account is presented in this paper, the detailed numerical calculation method is also given. By the use of the code based on t...
A model of multimode startup in the coaxial-cavity gyrotron operating at higher-order mode with mode competition taken into account is presented in this paper, the detailed numerical calculation method is also given. By the use of the code based on t...
2013,
25: 2943-2948.
doi: 10.3788/HPLPB20132511.2943
Abstract:
An improved low-impedance transit-time oscillator loaded with washer-like structure is proposed and investigated by using the 2.5D fully electromagnetic particle-in-cell code. The extractor operates at -like mode, which is advantageous to keep a high...
An improved low-impedance transit-time oscillator loaded with washer-like structure is proposed and investigated by using the 2.5D fully electromagnetic particle-in-cell code. The extractor operates at -like mode, which is advantageous to keep a high...
2013,
25: 2949-2953.
doi: 10.3788/HPLPB20132511.2949
Abstract:
Multi-unit radial-line sub-array can be used to reduce cascade of array feed network, thus contributing to reducing the loss of the whole feed network, and triangle-grid arrangement can reduce the number of antenna units so as to reduce the cost effe...
Multi-unit radial-line sub-array can be used to reduce cascade of array feed network, thus contributing to reducing the loss of the whole feed network, and triangle-grid arrangement can reduce the number of antenna units so as to reduce the cost effe...
2013,
25: 2954-2958.
doi: 10.3788/HPLPB20132511.2954
Abstract:
Several micro-machinings were used to manufacture 0.22 THz folded waveguide slow wave structure. In with these micro-machinings, micro-milling was most suitable for manufacturing 0.22 THz folded waveguide slow wave structure now. And the loss of WR4 ...
Several micro-machinings were used to manufacture 0.22 THz folded waveguide slow wave structure. In with these micro-machinings, micro-milling was most suitable for manufacturing 0.22 THz folded waveguide slow wave structure now. And the loss of WR4 ...
2013,
25: 2959-2964.
doi: 10.3788/HPLPB20132511.2959
Abstract:
Based on the hot electron effect of n-Si irradiated by high electric field, a 0.14 THz high-power terahertz pulse detector using overmoded structure is proposed and fabricated. The detector consists of a fundamental mode wavguide WR6, a tapered waveg...
Based on the hot electron effect of n-Si irradiated by high electric field, a 0.14 THz high-power terahertz pulse detector using overmoded structure is proposed and fabricated. The detector consists of a fundamental mode wavguide WR6, a tapered waveg...
2013,
25: 2965-2970.
doi: 10.3788/HPLPB20132511.2965
Abstract:
An experiment was conducted on the shock tube to explore the transmission characteristics of millimeter wave and terahertz wave in high density plasmas, in order to meet the communication requirement of hypersonic vehicles during blackout. The transm...
An experiment was conducted on the shock tube to explore the transmission characteristics of millimeter wave and terahertz wave in high density plasmas, in order to meet the communication requirement of hypersonic vehicles during blackout. The transm...
2013,
25: 2971-2975.
doi: 10.3788/HPLPB20132511.2971
Abstract:
A stripline beam position monitor(BPM) was designed for HLS Ⅱupgraded and used to measure beam parameter in the HLS storage ring. Position signal was offline calibrated using the difference/sum and log-ratio methods. Sensitivities, mapping figures an...
A stripline beam position monitor(BPM) was designed for HLS Ⅱupgraded and used to measure beam parameter in the HLS storage ring. Position signal was offline calibrated using the difference/sum and log-ratio methods. Sensitivities, mapping figures an...
2013,
25: 2976-2980.
doi: 10.3788/HPLPB20132511.2976
Abstract:
To set emittance, velocity spread and beam tilt correctly, a multi-function emission module is developed in LIAPIC3D code. This module development is based on beam emission module, which could set beam energy, beam length correctly. During experiment...
To set emittance, velocity spread and beam tilt correctly, a multi-function emission module is developed in LIAPIC3D code. This module development is based on beam emission module, which could set beam energy, beam length correctly. During experiment...
2013,
25: 2981-2985.
doi: 10.3788/HPLPB20132511.2981
Abstract:
An 11 MeV cyclotron used for production of positron emission radionuclide aiming at positron emission tomography (PET) imaging produces a huge quantity of instant neutron and gamma ray radiation. For shielding this kind of accelerator, a self-shieldi...
An 11 MeV cyclotron used for production of positron emission radionuclide aiming at positron emission tomography (PET) imaging produces a huge quantity of instant neutron and gamma ray radiation. For shielding this kind of accelerator, a self-shieldi...
2013,
25: 2986-2990.
doi: 10.3788/HPLPB20132511.2986
Abstract:
The design and test of the low-level RF (LLRF) control system for the dual-harmonic acceleration at the rapid cycling synchrotron (RCS) of China Spallation Neutron Source (CSNS) at phase Ⅰ is introduced. In order to implement the mode switch from the...
The design and test of the low-level RF (LLRF) control system for the dual-harmonic acceleration at the rapid cycling synchrotron (RCS) of China Spallation Neutron Source (CSNS) at phase Ⅰ is introduced. In order to implement the mode switch from the...
2013,
25: 2991-2994.
doi: 10.3788/HPLPB20132511.2991
Abstract:
A compact cyclotron as the injector of a synchrotron which forms the heavy ion medical machine is being designed and constructed at Institute of Modern Physics, China. The required high intensity and high beam quality of the extraction beam make it d...
A compact cyclotron as the injector of a synchrotron which forms the heavy ion medical machine is being designed and constructed at Institute of Modern Physics, China. The required high intensity and high beam quality of the extraction beam make it d...
2013,
25: 2995-2998.
doi: 10.3788/HPLPB20132511.2995
Abstract:
Measurement of high-energy X-ray energy spectrum is difficult in high-energy flash X-ray radiograph. According to previous studies, controlling the influence of diffusion to a certain extent is very important to improve the precision of energy spectr...
Measurement of high-energy X-ray energy spectrum is difficult in high-energy flash X-ray radiograph. According to previous studies, controlling the influence of diffusion to a certain extent is very important to improve the precision of energy spectr...
2013,
25: 2999-3001.
doi: 10.3788/HPLPB20132511.2999
Abstract:
The shortest pulse width of ECR proton source is about sub-millisecond. A chopper or a kicker is important to produce 100 ns pulsed proton beams for high gradient accelerating structure. Physical design of an electrostatic kicker was described in thi...
The shortest pulse width of ECR proton source is about sub-millisecond. A chopper or a kicker is important to produce 100 ns pulsed proton beams for high gradient accelerating structure. Physical design of an electrostatic kicker was described in thi...
2013,
25: 3004-3008.
doi: 10.3788/HPLPB20132511.3004
Abstract:
High gradient insulator(HGI) structures assembled from alternating layers of metal and dielectric can result in improved performance of flashover compared to conventional insulators as they can restrain the process of vacuum flashover. Samples which ...
High gradient insulator(HGI) structures assembled from alternating layers of metal and dielectric can result in improved performance of flashover compared to conventional insulators as they can restrain the process of vacuum flashover. Samples which ...
2013,
25: 3009-3012.
doi: 10.3788/HPLPB20132511.3009
Abstract:
The beam online data processing system is an important part of control and diagnoses system on the multi-pulse and high current LIA. The hardware includes many measurement instruments and computers which construct the industrial ethernet network. Man...
The beam online data processing system is an important part of control and diagnoses system on the multi-pulse and high current LIA. The hardware includes many measurement instruments and computers which construct the industrial ethernet network. Man...
2013,
25: 3013-3016.
doi: 10.3788/HPLPB20132511.3013
Abstract:
HIRFL-CSR (Heavy Ion Research Facility in Lanzhou-Cooler Storage Ring) control system has been working normally for nuclear physics experiment and tumor therapy experiment in recent years. HIRFL-CSR control system is a large distributed control syste...
HIRFL-CSR (Heavy Ion Research Facility in Lanzhou-Cooler Storage Ring) control system has been working normally for nuclear physics experiment and tumor therapy experiment in recent years. HIRFL-CSR control system is a large distributed control syste...
2013,
25: 3017-3020.
doi: 10.3788/HPLPB20132511.3017
Abstract:
Imaging simulation by means of the Monte Carlo method is performed for the spectrum reconstruction of the X-ray which is produced by high-energy intense-current electron beam striking a high-Z target. Generally, the high-energy X-ray spectrum can be ...
Imaging simulation by means of the Monte Carlo method is performed for the spectrum reconstruction of the X-ray which is produced by high-energy intense-current electron beam striking a high-Z target. Generally, the high-energy X-ray spectrum can be ...
2013,
25: 3021-3024.
doi: 10.3788/HPLPB20132511.3021
Abstract:
To meet the requirement of small sample studies on the neutron diffraction complex, a one-dimensional ellipse focusing mirror system was designed and its parameters were optimized. The effects of elliptical focusing mirror parameters on the neutron f...
To meet the requirement of small sample studies on the neutron diffraction complex, a one-dimensional ellipse focusing mirror system was designed and its parameters were optimized. The effects of elliptical focusing mirror parameters on the neutron f...
2013,
25: 3025-3028.
doi: 10.3788/HPLPB20132511.3025
Abstract:
In order to study damage of plasma energy generated by hypervelocity impact on spacecraft electronic components, It is necessary to obtain temporal and spatial distribution characteristics of particle energy induced by hypervelocity impact. The relat...
In order to study damage of plasma energy generated by hypervelocity impact on spacecraft electronic components, It is necessary to obtain temporal and spatial distribution characteristics of particle energy induced by hypervelocity impact. The relat...
2013,
25: 3029-3034.
doi: 10.3788/HPLPB20132511.3029
Abstract:
The duration and the interval of the pulsed source neutrons are two key timing parameters of PFTNA (pulsed fast/thermal neutron analysis) method. However, there are still no relative literatures about the evaluation and the setting of these two param...
The duration and the interval of the pulsed source neutrons are two key timing parameters of PFTNA (pulsed fast/thermal neutron analysis) method. However, there are still no relative literatures about the evaluation and the setting of these two param...
2013,
25: 3035-3039.
doi: 10.3788/HPLPB20132511.3035
Abstract:
The material databases for the Vaughans secondary electron model which is popularly utilized in the plasma simulation are abundant. Most of them are highly accurate and reliable, due to the validations of experiments. In order to integrate these prec...
The material databases for the Vaughans secondary electron model which is popularly utilized in the plasma simulation are abundant. Most of them are highly accurate and reliable, due to the validations of experiments. In order to integrate these prec...
2013,
25: 3040-3044.
doi: 10.3788/HPLPB20132511.3040
Abstract:
In order to obtain arbitrary planes of industrial CT volume data, a new fast section display algorithm based on 3D texture mapping was proposed. Firstly, industrial CT serial images were loaded in sequence and stored as volume data. Secondly, these d...
In order to obtain arbitrary planes of industrial CT volume data, a new fast section display algorithm based on 3D texture mapping was proposed. Firstly, industrial CT serial images were loaded in sequence and stored as volume data. Secondly, these d...
2013,
25: 3045-3049.
doi: 10.3788/HPLPB20132511.3045
Abstract:
To eliminate the influence of the random background spectra on the prompt spectra in the associated particle technique，the random background spectra induced by non-tagged neutrons and the prompt spectra induced by tagged neutrons were studied in expe...
To eliminate the influence of the random background spectra on the prompt spectra in the associated particle technique，the random background spectra induced by non-tagged neutrons and the prompt spectra induced by tagged neutrons were studied in expe...
2013,
25: 3050-3054.
doi: 10.3788/HPLPB20132511.3050
Abstract:
The accuracy in reverberation chamber (RC) measurements depends on the chamber settings being able to generate a large number of independent measurement samples. In this paper, an approximate theoretical model of the number of independent samples is ...
The accuracy in reverberation chamber (RC) measurements depends on the chamber settings being able to generate a large number of independent measurement samples. In this paper, an approximate theoretical model of the number of independent samples is ...
2013,
25: 3055-3059.
doi: 10.3788/HPLPB20132511.3055
Abstract:
The coaxial self-magnetic field generated by pulsed current of low impedance generator could affect the vacuum insulator surface flashover characteristics because of the magnetic-flashover-inhibition (MFI) effect. In coaxial electrode structure, the ...
The coaxial self-magnetic field generated by pulsed current of low impedance generator could affect the vacuum insulator surface flashover characteristics because of the magnetic-flashover-inhibition (MFI) effect. In coaxial electrode structure, the ...
2013,
25: 3060-3064.
doi: 10.3788/HPLPB20132511.3060
Abstract:
The KrF excimer laser was studied here. The large area uniform glow discharge was realized by using compact Chang electrode combined ultraviolet spark pre-ionization, and to provide high-voltage discharge with high rising edge, the laser described he...
The KrF excimer laser was studied here. The large area uniform glow discharge was realized by using compact Chang electrode combined ultraviolet spark pre-ionization, and to provide high-voltage discharge with high rising edge, the laser described he...
2013,
25: 3065-3068.
doi: 10.3788/HPLPB20132511.3065
Abstract:
A compact flash radiography accelerator based on fast linear transformer driver(FLTD) and rod-pinch diode(RPD) becomes the research hotspot. A PIC model of the 40-stage FLTD driven RPD was built. The output characteristics of positive and negative po...
A compact flash radiography accelerator based on fast linear transformer driver(FLTD) and rod-pinch diode(RPD) becomes the research hotspot. A PIC model of the 40-stage FLTD driven RPD was built. The output characteristics of positive and negative po...
2013,
25: 3069-3072.
doi: 10.3788/HPLPB20132511.3069
Abstract:
Experimental results of instability developments of 8 mm tungsten wire array Z-pinches on the 1.5 MA level, 100 ns rise-time Qiangguang-Ⅰfacility are presented. The dominated instability wavelength for imploding 8 mm wire arrays in early ablation reg...
Experimental results of instability developments of 8 mm tungsten wire array Z-pinches on the 1.5 MA level, 100 ns rise-time Qiangguang-Ⅰfacility are presented. The dominated instability wavelength for imploding 8 mm wire arrays in early ablation reg...
2013,
25: 3073-3076.
doi: 10.3788/HPLPB20132511.3073
Abstract:
The support and control system of double-gap series diodes suspension electrode was developed. It consists of support pins, driver circuit and synchronization control part. The support pins are retracted using three small solenoids, and the suspensio...
The support and control system of double-gap series diodes suspension electrode was developed. It consists of support pins, driver circuit and synchronization control part. The support pins are retracted using three small solenoids, and the suspensio...
