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RSS2013 Vol. 25, No. 08
Recommend Articles
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2013,
25: 1877-1882.
doi: 10.3788/HPLPB20132508.1877
Abstract:
The pulse adding has been used in super-large pulsed power machines in order to achieve extremely high output power by overcoming the physical limitations of a single pulsed power generator. The inductive voltage adding is an effective way to improve...
The pulse adding has been used in super-large pulsed power machines in order to achieve extremely high output power by overcoming the physical limitations of a single pulsed power generator. The inductive voltage adding is an effective way to improve...
2013,
25: 1883-1887.
doi: 10.3788/HPLPB20132508.1883
Abstract:
Considering the four-level rate equations and the effects of pumping rate, loss factor and temperature, this paper theoretically deduced the expression of turn-on delay time for high power thin-disc laser. The numerical simulation results demonstrate...
Considering the four-level rate equations and the effects of pumping rate, loss factor and temperature, this paper theoretically deduced the expression of turn-on delay time for high power thin-disc laser. The numerical simulation results demonstrate...
2013,
25: 1888-1892.
doi: 10.3788/HPLPB20132508.1888
Abstract:
The research on the laser irradiation effects of composites can expand the field of laser techniques application. A model was proposed to predict the thermal responses of carbon fiber reinforced composites under laser irradiation in time and space do...
The research on the laser irradiation effects of composites can expand the field of laser techniques application. A model was proposed to predict the thermal responses of carbon fiber reinforced composites under laser irradiation in time and space do...
2013,
25: 1893-1896.
doi: 10.3788/HPLPB20132508.1893
Abstract:
The method of controlling mode with which a single mode laser output is achieved under high power is analyzed. Using master-oscillator power amplifier (MOPA), the continuous and single mode laser of 1.08 m wavelength, 1.05 kW maximum output power is ...
The method of controlling mode with which a single mode laser output is achieved under high power is analyzed. Using master-oscillator power amplifier (MOPA), the continuous and single mode laser of 1.08 m wavelength, 1.05 kW maximum output power is ...
2013,
25: 1897-1903.
doi: 10.3788/HPLPB20132508.1897
Abstract:
A wavefront reconstruction technique which obtains wavefront from a radial shearing interferometer with high precision based on two-dimensional windowed Fourier transform (WFT) is presented. First, the radial shearing fringe is processed by WFT, and ...
A wavefront reconstruction technique which obtains wavefront from a radial shearing interferometer with high precision based on two-dimensional windowed Fourier transform (WFT) is presented. First, the radial shearing fringe is processed by WFT, and ...
2013,
25: 1904-1910.
doi: 10.3788/HPLPB20132508.1904
Abstract:
A three-dimensional thermal model is established for a hard solder packaged, conduction-cooled diode laser array, which contains 19 emitters, its fill factor is 30%, and the width of emitting area is 150 m. The thermal crosstalk among emitters in the...
A three-dimensional thermal model is established for a hard solder packaged, conduction-cooled diode laser array, which contains 19 emitters, its fill factor is 30%, and the width of emitting area is 150 m. The thermal crosstalk among emitters in the...
2013,
25: 1911-1915.
doi: 10.3788/HPLPB20132508.1911
Abstract:
Reconstruction of phase perturbation in chirped pulse spectral interferometry is theoretically studied. As for spectral interferogram approximating to the fact, the wavelet transform and Fourier transform are used to reconstruct phase perturbation in...
Reconstruction of phase perturbation in chirped pulse spectral interferometry is theoretically studied. As for spectral interferogram approximating to the fact, the wavelet transform and Fourier transform are used to reconstruct phase perturbation in...
2013,
25: 1916-1920.
doi: 10.3788/HPLPB20132508.1916
Abstract:
Inhomogeneous chemical vapor deposition (CVD) diamond thick films are flatted by a Nd:YAG laser cutting machine with axial offset-focus. The influences of laser voltage, laser frequency and focus position on the diameter and depth of scanning spot ar...
Inhomogeneous chemical vapor deposition (CVD) diamond thick films are flatted by a Nd:YAG laser cutting machine with axial offset-focus. The influences of laser voltage, laser frequency and focus position on the diameter and depth of scanning spot ar...
2013,
25: 1921-1924.
doi: 10.3788/HPLPB20132508.1921
Abstract:
Concerning the noise of spectral-domain optical coherence tomography, a method of interference spectrum decoupling was proposed. The method achieves image denoising by eliminating DC and auto-correlation noise of interference spectrum. The white-ligh...
Concerning the noise of spectral-domain optical coherence tomography, a method of interference spectrum decoupling was proposed. The method achieves image denoising by eliminating DC and auto-correlation noise of interference spectrum. The white-ligh...
2013,
25: 1925-1929.
doi: 10.3788/HPLPB20132508.1925
Abstract:
The turbulent distribution phase screen along a slant path has been simulated by using the method of power spectrum inversion. By constructing the initial distorted wavefront phase model, the phase characteristics of the laser beam propagating along ...
The turbulent distribution phase screen along a slant path has been simulated by using the method of power spectrum inversion. By constructing the initial distorted wavefront phase model, the phase characteristics of the laser beam propagating along ...
2013,
25: 1930-1934.
doi: 10.3788/HPLPB20132508.1930
Abstract:
Investigation on stimulated rotational Raman scattering (SRRS) in air with high power laser to seek suppression methods is one of the key issues which needs to be addressed in the construction of high-power solid-state laser driver. The evolution of ...
Investigation on stimulated rotational Raman scattering (SRRS) in air with high power laser to seek suppression methods is one of the key issues which needs to be addressed in the construction of high-power solid-state laser driver. The evolution of ...
2013,
25: 1935-1938.
doi: 10.3788/HPLPB20132508.1935
Abstract:
The propagation properties of broadband laser with flattened-Gaussian transverse modes are studied and the influences of the laser bandwidth on intensity distributions are analyzed. The propagation expression of each frequency component of the broadb...
The propagation properties of broadband laser with flattened-Gaussian transverse modes are studied and the influences of the laser bandwidth on intensity distributions are analyzed. The propagation expression of each frequency component of the broadb...
2013,
25: 1939-1944.
doi: 10.3788/HPLPB20132508.1939
Abstract:
The confliction between swath width and resolution in the routine space-borne synthetic aperture radar (SAR) can be solved by displaced phase centers multi-beam in azimuth (DPCA) with ScanSAR in across-track direction. However, the pulse repetition f...
The confliction between swath width and resolution in the routine space-borne synthetic aperture radar (SAR) can be solved by displaced phase centers multi-beam in azimuth (DPCA) with ScanSAR in across-track direction. However, the pulse repetition f...
2013,
25: 1945-1950.
doi: 10.3788/HPLPB20132508.1945
Abstract:
By expanding the vectorial Debye theory into the tight focusing of J0-correlated field, the intensity, correlation and polarization properties of J0-correlated azimuthally polarized vortex beams are studied. Expressions are derived for the intensity ...
By expanding the vectorial Debye theory into the tight focusing of J0-correlated field, the intensity, correlation and polarization properties of J0-correlated azimuthally polarized vortex beams are studied. Expressions are derived for the intensity ...
2013,
25: 1951-1955.
doi: 10.3788/HPLPB20132508.1951
Abstract:
The discrete phase module in FLUENT is used to build the two-dimensional model of gas-powder flow. The impacts of the amounts of shielding gas, transporting gas and fed powder on the concentration field and velocity field distribution, divergence ang...
The discrete phase module in FLUENT is used to build the two-dimensional model of gas-powder flow. The impacts of the amounts of shielding gas, transporting gas and fed powder on the concentration field and velocity field distribution, divergence ang...
2013,
25: 1956-1960.
doi: 10.3788/HPLPB20132508.1956
Abstract:
A numerical simulation was processed to investigate the main factors of droplet diameter formatted in the T-junction microchannel, and to verify from the experiment. The results showed that the main factors influencing droplets diameter were the geom...
A numerical simulation was processed to investigate the main factors of droplet diameter formatted in the T-junction microchannel, and to verify from the experiment. The results showed that the main factors influencing droplets diameter were the geom...
2013,
25: 1961-1964.
doi: 10.3788/HPLPB20132508.1961
Abstract:
To increase the flexibility of ICF laser facility and meet the requirements of indirect-driven and direct-driven fusions, the beam configuration should be optimized. This paper takes the Shenguang Ⅲ as an example facility which was originally designe...
To increase the flexibility of ICF laser facility and meet the requirements of indirect-driven and direct-driven fusions, the beam configuration should be optimized. This paper takes the Shenguang Ⅲ as an example facility which was originally designe...
2013,
25: 1965-1969.
doi: 10.3788/HPLPB20132508.1965
Abstract:
The communication blackout caused by the plasma sheath around a hypersonic vehicle flying in atmosphere is a problem to aerospace vehicles. When a vehicle enters the communication blackout phase, it loses all communication including GPS signals, data...
The communication blackout caused by the plasma sheath around a hypersonic vehicle flying in atmosphere is a problem to aerospace vehicles. When a vehicle enters the communication blackout phase, it loses all communication including GPS signals, data...
2013,
25: 1970-1974.
doi: 10.3788/HPLPB20132508.1970
Abstract:
The calculate model ,which is the distribution of temperature field of fast cold of pure copper wire covered glass, was established. Using the finite analysis software, the temperature distribution in the cool process was simulated. We have obtained ...
The calculate model ,which is the distribution of temperature field of fast cold of pure copper wire covered glass, was established. Using the finite analysis software, the temperature distribution in the cool process was simulated. We have obtained ...
2013,
25: 1975-1978.
doi: 10.3788/HPLPB20132508.1975
Abstract:
The polyhedral oligomeric silsesquioxane(POSS)-zirconia aerogels which contain three different contents of zirconia were successfully prepared from the POSS-［C2H4Si(OEt)3］8 and Zr(OC4H9)4 by the sol-gel process and subsequently supercritical drying w...
The polyhedral oligomeric silsesquioxane(POSS)-zirconia aerogels which contain three different contents of zirconia were successfully prepared from the POSS-［C2H4Si(OEt)3］8 and Zr(OC4H9)4 by the sol-gel process and subsequently supercritical drying w...
2013,
25: 1979-1983.
doi: 10.3788/HPLPB20132508.1979
Abstract:
In this experiment, our group studied the preparation methods of inertial confinement fusion polymer microcapsules, and designed a T-junction structure based on dual microchannel device, which was used for the preparation of stable double-emulsion. A...
In this experiment, our group studied the preparation methods of inertial confinement fusion polymer microcapsules, and designed a T-junction structure based on dual microchannel device, which was used for the preparation of stable double-emulsion. A...
2013,
25: 1984-1988.
doi: 10.3788/HPLPB20132508.1984
Abstract:
The zinc-based composite aerogel was prepared by the sol-gel method using ZnCl2 as precursor, polyacrylic acid (800, 1800, 5000) as template, and propylene oxide as initiator. The characterization of aerogels was carried out by field-emission scannin...
The zinc-based composite aerogel was prepared by the sol-gel method using ZnCl2 as precursor, polyacrylic acid (800, 1800, 5000) as template, and propylene oxide as initiator. The characterization of aerogels was carried out by field-emission scannin...
2013,
25: 1989-1994.
doi: 10.3788/HPLPB20132508.1989
Abstract:
Four types of optical polishing pitches with different contents of pitch and rosin were prepared, and the morphology, penetration, glass transition temperature, softening point and viscosity of these polishing pitches were investigated. Three physica...
Four types of optical polishing pitches with different contents of pitch and rosin were prepared, and the morphology, penetration, glass transition temperature, softening point and viscosity of these polishing pitches were investigated. Three physica...
2013,
25: 1995-1999.
doi: 10.3788/HPLPB20132508.1995
Abstract:
Using vapor deposition polymerizatioin method, polyimide(PI) thin films were successfully fabricated in different curing conditions. Poly (amic acid) (PAA) thin films at different temperatures and for different retention times at 300 ℃ were analysed ...
Using vapor deposition polymerizatioin method, polyimide(PI) thin films were successfully fabricated in different curing conditions. Poly (amic acid) (PAA) thin films at different temperatures and for different retention times at 300 ℃ were analysed ...
2013,
25: 2000-2006.
doi: 10.3788/HPLPB20132508.2000
Abstract:
The Au nanowires were formed in porous aluminum oxide template by AC electrodeposition method, and the influence of the thickness of barrier layer, voltage and frequency in the AC plating progress was discussed. The diameter of Au nanowires was 30 nm...
The Au nanowires were formed in porous aluminum oxide template by AC electrodeposition method, and the influence of the thickness of barrier layer, voltage and frequency in the AC plating progress was discussed. The diameter of Au nanowires was 30 nm...
2013,
25: 2007-2010.
doi: 10.3788/HPLPB20132508.2007
Abstract:
The infrared heating has been demonstrated as an effective technique for preparing uniform fuel ice in ICF cryotargets. A ray tracing program is used to simulate the infrared light propagation in hohlraum, and the volumetric heating rates of shell an...
The infrared heating has been demonstrated as an effective technique for preparing uniform fuel ice in ICF cryotargets. A ray tracing program is used to simulate the infrared light propagation in hohlraum, and the volumetric heating rates of shell an...
2013,
25: 2011-2016.
doi: 10.3788/HPLPB20132508.2011
Abstract:
The numerical simulation is one of the important methods of studying physical process. In this paper, a 3D discrete view factor method is proposed for the equivalent model of two-region uniformly in inertial confinement fusion (ICF). The blocked elem...
The numerical simulation is one of the important methods of studying physical process. In this paper, a 3D discrete view factor method is proposed for the equivalent model of two-region uniformly in inertial confinement fusion (ICF). The blocked elem...
2013,
25: 2017-2020.
doi: 10.3788/HPLPB20132508.2017
Abstract:
A relativistic surface wave oscillator based on overmoded structure is simulated with particle-in-cell method. The output signal is generated with a frequency of 0.148 THz and the main output mode of TM01 according to numerical results. The electroma...
A relativistic surface wave oscillator based on overmoded structure is simulated with particle-in-cell method. The output signal is generated with a frequency of 0.148 THz and the main output mode of TM01 according to numerical results. The electroma...
Continuously board-waveband tunable all-solid-state CW optical parametric oscillator based on PPMgLN
2013,
25: 2021-2026.
doi: 10.3788/HPLPB20132508.2021
Abstract:
The output characteristics of a multi-wavelength tunable optical parametric oscillator (OPO) pumped by an all-solid-state Nd:YVO4 laser with the 1064 nm wavelength is investigated by quasi-phase-matching period tuning and temperature tuning technolog...
The output characteristics of a multi-wavelength tunable optical parametric oscillator (OPO) pumped by an all-solid-state Nd:YVO4 laser with the 1064 nm wavelength is investigated by quasi-phase-matching period tuning and temperature tuning technolog...
2013,
25: 2027-2030.
doi: 10.3788/HPLPB20132508.2027
Abstract:
A compact ultra wide spectrum high power microwave radiation system made up of 100 kV nanosecond pulse generator, subnanosecond gas switch and TEM horn antenna is designed. The output voltage waveform of the pulse generator is a pulse with a rising t...
A compact ultra wide spectrum high power microwave radiation system made up of 100 kV nanosecond pulse generator, subnanosecond gas switch and TEM horn antenna is designed. The output voltage waveform of the pulse generator is a pulse with a rising t...
2013,
25: 2031-2034.
doi: 10.3788/HPLPB20132508.2031
Abstract:
In order to develop a RF coupler for the drift tube linac of China Spallation Neutron Source, by improving the conventional RF window structure, we designed a new RF window of the RF coupler. High frequency characteristics of this window were optimiz...
In order to develop a RF coupler for the drift tube linac of China Spallation Neutron Source, by improving the conventional RF window structure, we designed a new RF window of the RF coupler. High frequency characteristics of this window were optimiz...
2013,
25: 2035-2039.
doi: 10.3788/HPLPB20132508.2035
Abstract:
This paper studies the effect of the UV illumination technology on gas switch in principle, analyzing and approving the feasibility of UV pre-ionization to the main switch from transverse capacitance coupling auxiliary spark. UV illumination from aux...
This paper studies the effect of the UV illumination technology on gas switch in principle, analyzing and approving the feasibility of UV pre-ionization to the main switch from transverse capacitance coupling auxiliary spark. UV illumination from aux...
2013,
25: 2040-2044.
doi: 10.3788/HPLPB20132508.2040
Abstract:
The phase-locking properties of an S-band relativistic klystron amplifier (RKA) are investigated. In 2.5-dimensional particle-in-cell simulations, the influences of the electron beam voltage waveform on RKA phase-locking are studied. The results show...
The phase-locking properties of an S-band relativistic klystron amplifier (RKA) are investigated. In 2.5-dimensional particle-in-cell simulations, the influences of the electron beam voltage waveform on RKA phase-locking are studied. The results show...
2013,
25: 2045-2049.
doi: 10.3788/HPLPB20132508.2045
Abstract:
Based on the traditional TE01n cylindrical cavity, a new resonator is proposed for non-destructive measurements of the complex permittivity of dielectric slabs. It consists of a large planar metal plate, a dielectric slab, and a cylindrical waveguide...
Based on the traditional TE01n cylindrical cavity, a new resonator is proposed for non-destructive measurements of the complex permittivity of dielectric slabs. It consists of a large planar metal plate, a dielectric slab, and a cylindrical waveguide...
2013,
25: 2050-2054.
doi: 10.3788/HPLPB20132508.2050
Abstract:
In a relativistic klystron amplifier (RKA), the idle cavity can increase the gain of the device, but the oscillation of nonworking modes will occur in the same time, and therefore the performance of RKA will be significantly decreased. We developed a...
In a relativistic klystron amplifier (RKA), the idle cavity can increase the gain of the device, but the oscillation of nonworking modes will occur in the same time, and therefore the performance of RKA will be significantly decreased. We developed a...
2013,
25: 2055-2060.
doi: 10.3788/HPLPB20132508.2055
Abstract:
A new output-taper for Ka-band high power gyro-TWT is designed by a function of sine and cosine and using the coupled wave equation to analyze the radius changing circular waveguide. Using the MATLAB code and software HFSS, we analyze the transmissio...
A new output-taper for Ka-band high power gyro-TWT is designed by a function of sine and cosine and using the coupled wave equation to analyze the radius changing circular waveguide. Using the MATLAB code and software HFSS, we analyze the transmissio...
2013,
25: 2061-2066.
doi: 10.3788/HPLPB20132508.2061
Abstract:
To study the effect of PIN diode limiter under electromagnetic pulse (EMP), the response of PIN diode is numerically simulated by using self-developed 2D semiconductor device simulation software. Current overshoot phenomena of PIN diode during the ri...
To study the effect of PIN diode limiter under electromagnetic pulse (EMP), the response of PIN diode is numerically simulated by using self-developed 2D semiconductor device simulation software. Current overshoot phenomena of PIN diode during the ri...
2013,
25: 2067-2070.
doi: 10.3788/HPLPB20132508.2067
Abstract:
A pepper pot-imaging plate system has been developed and used to measure the 4-D transverse emittance of a vacuum arc ion source. Single beam pulses of tens to hundreds milliamperes were extracted from the plasma with 64 kV high voltage. An imaging p...
A pepper pot-imaging plate system has been developed and used to measure the 4-D transverse emittance of a vacuum arc ion source. Single beam pulses of tens to hundreds milliamperes were extracted from the plasma with 64 kV high voltage. An imaging p...
2013,
25: 2071-2074.
doi: 10.3788/HPLPB20132508.2071
Abstract:
In order to measure beam energy in Hefei Light Source accurately, a new set of precise and sensitive beam loss measurement system is built, and a kind of plastic scintillator detector which has high detection efficiency for low energy photons is adop...
In order to measure beam energy in Hefei Light Source accurately, a new set of precise and sensitive beam loss measurement system is built, and a kind of plastic scintillator detector which has high detection efficiency for low energy photons is adop...
2013,
25: 2075-2079.
doi: 10.3788/HPLPB20132508.2075
Abstract:
The prototype of superferric dipoles for Super-FRS of Facility for Antiprotons and Ion Research (FAIR) project was designed, fabricated, and tested in China. To investigate the performance of the superconducting coil, a so-called test coil was fabric...
The prototype of superferric dipoles for Super-FRS of Facility for Antiprotons and Ion Research (FAIR) project was designed, fabricated, and tested in China. To investigate the performance of the superconducting coil, a so-called test coil was fabric...
2013,
25: 2080-2084.
doi: 10.3788/HPLPB20132508.2080
Abstract:
The fault current and voltage waveforms are required to be monitored by oscilloscopes when shorting occurs in developing ITER 1 MV ion source accelerators. Therefore, it is necessary to design an automatic digital oscilloscope compatible with strong ...
The fault current and voltage waveforms are required to be monitored by oscilloscopes when shorting occurs in developing ITER 1 MV ion source accelerators. Therefore, it is necessary to design an automatic digital oscilloscope compatible with strong ...
2013,
25: 2085-2090.
doi: 10.3788/HPLPB20132508.2085
Abstract:
Ion source is the key part of an Accelerator Mass Spectrometry (AMS) in view of analytical sensitivity, stability and accuracy. SO-110 Cs+ sputtering ion source developed by High Voltage Engineering Europe, is dedicated to AMS for both solid and gas ...
Ion source is the key part of an Accelerator Mass Spectrometry (AMS) in view of analytical sensitivity, stability and accuracy. SO-110 Cs+ sputtering ion source developed by High Voltage Engineering Europe, is dedicated to AMS for both solid and gas ...
2013,
25: 2091-2095.
doi: 10.3788/HPLPB20132508.2091
Abstract:
Changing laser fluence, Si nano-crystal films were prepared by the pulsed laser ablation in direct current electric field that paralleled to target surface in Ar gas of 10 Pa at room temperature. The substrates were fixed on the position with differe...
Changing laser fluence, Si nano-crystal films were prepared by the pulsed laser ablation in direct current electric field that paralleled to target surface in Ar gas of 10 Pa at room temperature. The substrates were fixed on the position with differe...
2013,
25: 2096-2100.
doi: 10.3788/HPLPB20132508.2096
Abstract:
In order to verify the measurement accuracy of Industrial Computed Tomography (ICT), an evaluation method was designed and the standard measuring parts were made for the 9 MeV high-energy industrial CT system and 450 kV industrial CT system which wer...
In order to verify the measurement accuracy of Industrial Computed Tomography (ICT), an evaluation method was designed and the standard measuring parts were made for the 9 MeV high-energy industrial CT system and 450 kV industrial CT system which wer...
2013,
25: 2101-2105.
doi: 10.3788/HPLPB20132508.2101
Abstract:
This study describes the development and relevant issues of a new cloud droplet probe based on Mie scattering and laser technology. A small pin-hole orifice is used to simulate the light scattered to determine the sensing area for the system. Calibra...
This study describes the development and relevant issues of a new cloud droplet probe based on Mie scattering and laser technology. A small pin-hole orifice is used to simulate the light scattered to determine the sensing area for the system. Calibra...
2013,
25: 2106-2110.
doi: 10.3788/HPLPB20132508.2106
Abstract:
For the high-precision demand of electro-optical tracking system, the control technique based on on-axis tracking of rough tracking process was studied. Firstly, the principle of on-axis tracking was introduced. Secondly, methods of non-linear Kalman...
For the high-precision demand of electro-optical tracking system, the control technique based on on-axis tracking of rough tracking process was studied. Firstly, the principle of on-axis tracking was introduced. Secondly, methods of non-linear Kalman...
2013,
25: 2111-2116.
doi: 10.3788/HPLPB20132508.2111
Abstract:
Vacuum discharge plasma is generated using a single-pulse power supply with 13 s pulse width and 100~300 A discharging current. Two types of co-axial electrodes, namely the tubular electrode and the trumpet electrode, are employed as anodes. The elec...
Vacuum discharge plasma is generated using a single-pulse power supply with 13 s pulse width and 100~300 A discharging current. Two types of co-axial electrodes, namely the tubular electrode and the trumpet electrode, are employed as anodes. The elec...
2013,
25: 2117-2120.
doi: 10.3788/HPLPB20132508.2117
Abstract:
A computational model of the neutron multiplication coefficient ( value) of a critical power assembly is built, which is measured by current-mode detectors formed by scintillators and photomultiplier tubes (PMTs). Through producing ideal functions an...
A computational model of the neutron multiplication coefficient ( value) of a critical power assembly is built, which is measured by current-mode detectors formed by scintillators and photomultiplier tubes (PMTs). Through producing ideal functions an...
2013,
25: 2121-2124.
doi: 10.3788/HPLPB20132508.2121
Abstract:
The principle of an ion beam profiler based on SEE（secondary electron emission） is introduced. For ion beams with energy of several tens of keV, an ion beam profiler prototypewith sensitive area of 16 mm16 mm is constructed. The prototype only consis...
The principle of an ion beam profiler based on SEE（secondary electron emission） is introduced. For ion beams with energy of several tens of keV, an ion beam profiler prototypewith sensitive area of 16 mm16 mm is constructed. The prototype only consis...
2013,
25: 2125-2129.
doi: 10.3788/HPLPB20132508.2125
Abstract:
The bremsstrahlung and energy deposition of multi-pulse high intensity relativistic electron beam injecting into multi-layer tantalum-graphite target are investigated. The energy deposition is calculated by Geant4 code, and the bremsstrahlung by fund...
The bremsstrahlung and energy deposition of multi-pulse high intensity relativistic electron beam injecting into multi-layer tantalum-graphite target are investigated. The energy deposition is calculated by Geant4 code, and the bremsstrahlung by fund...
2013,
25: 2130-2136.
doi: 10.3788/HPLPB20132508.2130
Abstract:
Several diagnostic systems used in implosion physics research were modeled by Geant4 toolkit, including the neutron imaging system, the filter-fluorescer spectrometer for hard X-ray diagnostic, the wedged-range filter spectrometer for proton diagnost...
Several diagnostic systems used in implosion physics research were modeled by Geant4 toolkit, including the neutron imaging system, the filter-fluorescer spectrometer for hard X-ray diagnostic, the wedged-range filter spectrometer for proton diagnost...
2013,
25: 2137-2141.
doi: 10.3788/HPLPB20132508.2137
Abstract:
A two-dimensional magneto-hydrodynamic model is solved numerically by a time-split algorithm. The physical processes which are time-split are thermal and equilibrium radiation diffusion, resistive diffusion, and Lagrangian hydrodynamics. A magneto-hy...
A two-dimensional magneto-hydrodynamic model is solved numerically by a time-split algorithm. The physical processes which are time-split are thermal and equilibrium radiation diffusion, resistive diffusion, and Lagrangian hydrodynamics. A magneto-hy...
2013,
25: 2142-2146.
doi: 10.3788/HPLPB20132508.2142
Abstract:
The resistive bolometer is an accurate, robust, spectrally broadband technique for measuring total soft X-ray yield. By replacing the pulsed voltage driver with a pulsed current driver and removing the series-wound resistance, the change of resistanc...
The resistive bolometer is an accurate, robust, spectrally broadband technique for measuring total soft X-ray yield. By replacing the pulsed voltage driver with a pulsed current driver and removing the series-wound resistance, the change of resistanc...
2013,
25: 2147-2151.
doi: 10.3788/HPLPB20132508.2147
Abstract:
A high-voltage soft coaxial feeder is developed in order to meet the research needs of high-power microwave power technology, as well as high power pulse technology. According to the actual application of the feeder, and under the conditions of low v...
A high-voltage soft coaxial feeder is developed in order to meet the research needs of high-power microwave power technology, as well as high power pulse technology. According to the actual application of the feeder, and under the conditions of low v...
2013,
25: 2152-2156.
doi: 10.3788/HPLPB20132508.2152
Abstract:
The applications of the magnetic field are favored by a majority of researchers. In this paper, based on theoretical analysis and numerical simulation, a quasi-static magnetic field generator for magnetically applied pressure-shear loading to generat...
The applications of the magnetic field are favored by a majority of researchers. In this paper, based on theoretical analysis and numerical simulation, a quasi-static magnetic field generator for magnetically applied pressure-shear loading to generat...
2013,
25: 2157-2160.
doi: 10.3788/HPLPB20132508.2157
Abstract:
A modified formula for SCL current was established, based on particle-in-cell(PIC) simulation results and formulas for conventional space-charge-limited(SCL) current and critical magnetic insulation current. And a fast interpolation model for loss cu...
A modified formula for SCL current was established, based on particle-in-cell(PIC) simulation results and formulas for conventional space-charge-limited(SCL) current and critical magnetic insulation current. And a fast interpolation model for loss cu...
2013,
25: 2161-2166.
doi: 10.3788/HPLPB20132508.2161
Abstract:
The theories of secondary electron emission avalanche and anode-initiated flashover model are applied to optimizing the insulator stack grading rings. All results are calculated through the finite element method. Two methods are taken into account, o...
The theories of secondary electron emission avalanche and anode-initiated flashover model are applied to optimizing the insulator stack grading rings. All results are calculated through the finite element method. Two methods are taken into account, o...
2013,
25: 2167-2172.
doi: 10.3788/HPLPB20132508.2167
Abstract:
A suit of optical diagnostics, including a fiber array detector, a solar-blinded fiber detector and a framing camera, was used to investigate the discharging process on multi-gap gas switch. Experiments were carried out to study the relationship betw...
A suit of optical diagnostics, including a fiber array detector, a solar-blinded fiber detector and a framing camera, was used to investigate the discharging process on multi-gap gas switch. Experiments were carried out to study the relationship betw...
2013,
25: 2173-2176.
doi: 10.3788/HPLPB20132508.2173
Abstract:
The effective electromagnetic pulse protection is studied in this paper, first the interference of electromagnetic pulse simulator path is analyzed, including the digital signal processor (DSP) and the discharge circuit of coupling interference and n...
The effective electromagnetic pulse protection is studied in this paper, first the interference of electromagnetic pulse simulator path is analyzed, including the digital signal processor (DSP) and the discharge circuit of coupling interference and n...
