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RSS2014 Vol. 26, No. 02
Recommend Articles
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2014,
26: 020101.
doi: 10.3788/HPLPB201426.020101
Abstract:
We demonstrate a monolithic single-frequency Tm-doped fiber master oscillator power amplifier (MOPA) with output power of 102 W. A single-frequency fiber laser with linewidth of less than 100 kHz and central wavelength of 1.97 m was used as the seed ...
We demonstrate a monolithic single-frequency Tm-doped fiber master oscillator power amplifier (MOPA) with output power of 102 W. A single-frequency fiber laser with linewidth of less than 100 kHz and central wavelength of 1.97 m was used as the seed ...
2014,
26: 021001.
doi: 10.3788/HPLPB201426.021001
Abstract:
The cleaving and fusion splicing technology of the large-mode-area photonic crystal fiber was explored to achieve all-fiber structure. The amplification of the pulse with 1-10 kHz repetition rate, 10 ns duration and 0.3 nm line-width was experimental...
The cleaving and fusion splicing technology of the large-mode-area photonic crystal fiber was explored to achieve all-fiber structure. The amplification of the pulse with 1-10 kHz repetition rate, 10 ns duration and 0.3 nm line-width was experimental...
2014,
26: 021002.
doi: 10.3788/HPLPB201426.021002
Abstract:
Based on the coupled complex nonlinear Schrodinger equations, the evolvement of the multi-pulse trains is numerically investigated in erbium-doped fiber ring mode-locked laser using the nonlinear polarization rotation technique. The results show that...
Based on the coupled complex nonlinear Schrodinger equations, the evolvement of the multi-pulse trains is numerically investigated in erbium-doped fiber ring mode-locked laser using the nonlinear polarization rotation technique. The results show that...
2014,
26: 021003.
doi: 10.3788/HPLPB201426.021003
Abstract:
We utilize the extended Huygens-Fresnel principle to make an analysis of the scattering of a Gaussian Schell-model beam from a diffuse target in a turbulent atmosphere. It is assumed that the wave structure function is dominated by the phase structur...
We utilize the extended Huygens-Fresnel principle to make an analysis of the scattering of a Gaussian Schell-model beam from a diffuse target in a turbulent atmosphere. It is assumed that the wave structure function is dominated by the phase structur...
2014,
26: 021004.
doi: 10.3788/HPLPB201426.021004
Abstract:
The threshold characteristics of lasers are of great importance to the output of lasers. In this paper, we use a theoretical model, which is based on rate equations, to investigate the threshold characteristics of an end-pumped single-pass rubidium v...
The threshold characteristics of lasers are of great importance to the output of lasers. In this paper, we use a theoretical model, which is based on rate equations, to investigate the threshold characteristics of an end-pumped single-pass rubidium v...
2014,
26: 021005.
doi: 10.3788/HPLPB201426.021005
Abstract:
The reliability of high power diode-pumped solid-state laser (DPL) system was analyzed. The failure rate and mean failure-free operation time of the system were demonstrated, according to the GO graph of DPL system and GO methodology calculating form...
The reliability of high power diode-pumped solid-state laser (DPL) system was analyzed. The failure rate and mean failure-free operation time of the system were demonstrated, according to the GO graph of DPL system and GO methodology calculating form...
2014,
26: 021006.
doi: 10.3788/HPLPB201426.021006
Abstract:
In order to investigate the influences on ablation quality of quartz glass by the linearly and circularly polarized femtosecond lasers, the line ablation experiments of different scanning velocity and the surface ablation experiments of different lin...
In order to investigate the influences on ablation quality of quartz glass by the linearly and circularly polarized femtosecond lasers, the line ablation experiments of different scanning velocity and the surface ablation experiments of different lin...
2014,
26: 021007.
doi: 10.3788/HPLPB201426.021007
Abstract:
An improved finite-difference time-domain (FDTD) method with the semi-analytical recursive convolution (SARC) algorithm in digital signal processing (DSP) techniques for analysis of optical characteristics of the dispersive metals is presented. In th...
An improved finite-difference time-domain (FDTD) method with the semi-analytical recursive convolution (SARC) algorithm in digital signal processing (DSP) techniques for analysis of optical characteristics of the dispersive metals is presented. In th...
2014,
26: 021008.
doi: 10.3788/HPLPB201426.021008
Abstract:
The injection of laser energy will change the wave structure and effectively reduce the pressure load on the blunt body surface. A high resolution numerical method based on finite volume method and domain decomposition of structural grid is used to c...
The injection of laser energy will change the wave structure and effectively reduce the pressure load on the blunt body surface. A high resolution numerical method based on finite volume method and domain decomposition of structural grid is used to c...
2014,
26: 021009.
doi: 10.3788/HPLPB201426.021009
Abstract:
According to the certain coupling between some Zernike modes in the concentric aperture circle within the unit circle, as well as the counterbalance between each other of the corresponding Zernike modes aberration in certain concentric pupil region, ...
According to the certain coupling between some Zernike modes in the concentric aperture circle within the unit circle, as well as the counterbalance between each other of the corresponding Zernike modes aberration in certain concentric pupil region, ...
2014,
26: 021010.
doi: 10.3788/HPLPB201426.021010
Abstract:
Atmospheric optical turbulence is fractal. In this article, a high quality fiber optical turbulence sensing system is proposed to obtain time series of air refractive index fluctuations in optical turbulence under three conditions, i.e. , 0.48 meter ...
Atmospheric optical turbulence is fractal. In this article, a high quality fiber optical turbulence sensing system is proposed to obtain time series of air refractive index fluctuations in optical turbulence under three conditions, i.e. , 0.48 meter ...
2014,
26: 022001.
doi: 10.3788/HPLPB201426.022001
Abstract:
X-ray pinhole imaging is an important diagnostic tool in inertial confinement fusion (ICF). The point spread function (PSF) of the X-ray pinhole imaging can be used to restore the initial image and estimate the spatial resolution. This paper analyzes...
X-ray pinhole imaging is an important diagnostic tool in inertial confinement fusion (ICF). The point spread function (PSF) of the X-ray pinhole imaging can be used to restore the initial image and estimate the spatial resolution. This paper analyzes...
2014,
26: 022002.
doi: 10.3788/HPLPB201426.022002
Abstract:
Based on the analysis of production process of the photoelectron of the streak camera photocathode during the photoemission, the formula of photocathode energy spectral response was obtained in the region of 0.1-10 keV. The effects of photocathode pa...
Based on the analysis of production process of the photoelectron of the streak camera photocathode during the photoemission, the formula of photocathode energy spectral response was obtained in the region of 0.1-10 keV. The effects of photocathode pa...
2014,
26: 022003.
doi: 10.3788/HPLPB201426.022003
Abstract:
Direct X-ray imaging using a Fresnel zone plate (FZP) in the applications of laser plasma or inertial confinement fusion diagnostics has the potential for realizing high spatial resolution in the range of micrometers to sub-micrometers. For such an F...
Direct X-ray imaging using a Fresnel zone plate (FZP) in the applications of laser plasma or inertial confinement fusion diagnostics has the potential for realizing high spatial resolution in the range of micrometers to sub-micrometers. For such an F...
2014,
26: 022004.
doi: 10.3788/HPLPB201426.022004
Abstract:
In inertial confinement fusion (ICF) experiments, the surface (interface) roughness and defect of target capsule can lead to hydrodynamic instability when the target capsule is irradiated by high-intensity laser facility. Controlling and understandin...
In inertial confinement fusion (ICF) experiments, the surface (interface) roughness and defect of target capsule can lead to hydrodynamic instability when the target capsule is irradiated by high-intensity laser facility. Controlling and understandin...
2014,
26: 022005.
doi: 10.3788/HPLPB201426.022005
Abstract:
Aligned carbon nanotube arrays (ACNTs) were prepared by chemical vapor deposition (CVD). The graphitization degree of ACNTs was systematically investigated. The morphology and structure of the products were characterized by scanning electron microsco...
Aligned carbon nanotube arrays (ACNTs) were prepared by chemical vapor deposition (CVD). The graphitization degree of ACNTs was systematically investigated. The morphology and structure of the products were characterized by scanning electron microsco...
2014,
26: 022006.
doi: 10.3788/HPLPB201426.022006
Abstract:
The time dependence of irradiation drive symmetry and intensity on the capsule in different shaped hohlraums and laser arrangement is investigated by a 3D view-factor code called IRAD3D. The simulation results show that the loss of energy by the wall...
The time dependence of irradiation drive symmetry and intensity on the capsule in different shaped hohlraums and laser arrangement is investigated by a 3D view-factor code called IRAD3D. The simulation results show that the loss of energy by the wall...
2014,
26: 022007.
doi: 10.3788/HPLPB201426.022007
Abstract:
In order to provide spot positioning detection method of adhesive glue for precision assembly of pneumatic pellet, this paper studies the compatibility and fluorescence of epoxy adhesive with coumarin and fluorescent dye. The adding process is introd...
In order to provide spot positioning detection method of adhesive glue for precision assembly of pneumatic pellet, this paper studies the compatibility and fluorescence of epoxy adhesive with coumarin and fluorescent dye. The adding process is introd...
2014,
26: 022008.
doi: 10.3788/HPLPB201426.022008
Abstract:
The preparation process of ultrafine ultra-thin Ni80Cr20 alloy wire was studied by cold drawing. The property of NiCr alloy wire was characterized by SEM, XRD and tensile tester. The results show that the optimal electrolyte concentration and time we...
The preparation process of ultrafine ultra-thin Ni80Cr20 alloy wire was studied by cold drawing. The property of NiCr alloy wire was characterized by SEM, XRD and tensile tester. The results show that the optimal electrolyte concentration and time we...
2014,
26: 022009.
doi: 10.3788/HPLPB201426.022009
Abstract:
The fabrication of metal film steps used in equation of state experiment targets was investigated. The metal film step of hundreds of microns width was cut by picosecond laser processing technology. The factors of generating heat effect in the proces...
The fabrication of metal film steps used in equation of state experiment targets was investigated. The metal film step of hundreds of microns width was cut by picosecond laser processing technology. The factors of generating heat effect in the proces...
2014,
26: 022010.
doi: 10.3788/HPLPB201426.022010
Abstract:
In order to realize adaptive compensation for positioning error of precision measurement platform, a new method has been proposed based on monitoring measurement environment and support vector regression for ensuring the high-precision of measurement...
In order to realize adaptive compensation for positioning error of precision measurement platform, a new method has been proposed based on monitoring measurement environment and support vector regression for ensuring the high-precision of measurement...
2014,
26: 022011.
doi: 10.3788/HPLPB201426.022011
Abstract:
The fundamental harmonic of a pulsed Nd:YAG laser (1064 nm) was used for the ablation of copper and brass samples in air at atmospheric pressure and the laser-induced plasma characteristics were examined comparatively. The electron densities Ne of 3....
The fundamental harmonic of a pulsed Nd:YAG laser (1064 nm) was used for the ablation of copper and brass samples in air at atmospheric pressure and the laser-induced plasma characteristics were examined comparatively. The electron densities Ne of 3....
2014,
26: 022012.
doi: 10.3788/HPLPB201426.022012
Abstract:
We adopted the anion surface active agents SDS, SDBS and mixed surface active agent polyoxyethylene alkyl vinyl double ammonium (PAVDA) to treat polystyrene (PS) monolayer microspheres and improve the distribution of ozonized PS-PVA double emulsion i...
We adopted the anion surface active agents SDS, SDBS and mixed surface active agent polyoxyethylene alkyl vinyl double ammonium (PAVDA) to treat polystyrene (PS) monolayer microspheres and improve the distribution of ozonized PS-PVA double emulsion i...
2014,
26: 022013.
doi: 10.3788/HPLPB201426.022013
Abstract:
Cu-doped MF aerogels were successfully synthesized by -ray irradiation induced reduction method with different total irradiation doses, which has been confirmed by XRD, ICP-AES and SEM-EDS. The SEM graphs indicate that the reduction of Cu particles i...
Cu-doped MF aerogels were successfully synthesized by -ray irradiation induced reduction method with different total irradiation doses, which has been confirmed by XRD, ICP-AES and SEM-EDS. The SEM graphs indicate that the reduction of Cu particles i...
2014,
26: 022014.
Abstract:
The Raman vibration modes of potassium dihydrogen phosphate (KDP) crystal were analyzed by the group theory in detail, and the Raman vibration modes were well assigned. The Raman spectra of type Z annealed KDP crystal in X(ZZ)X, Z(XY)X and Y(XY)X sca...
The Raman vibration modes of potassium dihydrogen phosphate (KDP) crystal were analyzed by the group theory in detail, and the Raman vibration modes were well assigned. The Raman spectra of type Z annealed KDP crystal in X(ZZ)X, Z(XY)X and Y(XY)X sca...
2014,
26: 022015.
doi: 10.3788/HPLPB201426.022015
Abstract:
Turning procedure is one of the key production procedures in golden hohlraum. There are four key parameters of golden hohlraum including the diameter, the length, the rear and front laser entrances in the turning procedure whose stability and product...
Turning procedure is one of the key production procedures in golden hohlraum. There are four key parameters of golden hohlraum including the diameter, the length, the rear and front laser entrances in the turning procedure whose stability and product...
2014,
26: 022016.
doi: 10.3788/HPLPB201426.022016
Abstract:
The physical structure of N-doped carbon aerogel(N-CA) is modified with CO2 technology. The effect of activation temperature on the porous texture and the electrochemical performance of activated N-doped carbon aerogel(N-ACA) as electrode material of...
The physical structure of N-doped carbon aerogel(N-CA) is modified with CO2 technology. The effect of activation temperature on the porous texture and the electrochemical performance of activated N-doped carbon aerogel(N-ACA) as electrode material of...
2014,
26: 022017.
doi: 10.3788/HPLPB201426.022017
Abstract:
To characterize the sphericity and the wall thickness uniformity, thick-walled polystyrene (PS) hollow microspheres with inner diameter of 850 m and wall thickness of 25 m were measured by the VMR microscope system, and the effects of sampling method...
To characterize the sphericity and the wall thickness uniformity, thick-walled polystyrene (PS) hollow microspheres with inner diameter of 850 m and wall thickness of 25 m were measured by the VMR microscope system, and the effects of sampling method...
2014,
26: 022018.
doi: 10.3788/HPLPB201426.022018
Abstract:
According to the assembly accuracy of NIF REV4.0 for fusion ignition targets, the assembly process and precision robotic system for hohlraum assembly were analyzed. The tolerance range of the hohlraum inserted into the TMP (thermal mechanical package...
According to the assembly accuracy of NIF REV4.0 for fusion ignition targets, the assembly process and precision robotic system for hohlraum assembly were analyzed. The tolerance range of the hohlraum inserted into the TMP (thermal mechanical package...
2014,
26: 022019.
doi: 10.3788/HPLPB201426.022019
Abstract:
Ta2O5/SiO2 gradient-index optical thin films for 1064 nm have been prepared with Ta2O5 and SiO2 by ion beam sputtering (IBS). The optical property and laser-induced damage threshold (LIDT) of the coatings were investigated, respectively. Sidelobe rip...
Ta2O5/SiO2 gradient-index optical thin films for 1064 nm have been prepared with Ta2O5 and SiO2 by ion beam sputtering (IBS). The optical property and laser-induced damage threshold (LIDT) of the coatings were investigated, respectively. Sidelobe rip...
2014,
26: 022020.
doi: 10.3788/HPLPB201426.022020
Abstract:
SiO2 colloids were dispersed in hot poly-4-methyl-1-pentene (PMP) solution, and then the solution was coated on glass microscope slices by convective assembly method. PMP foam films compounded with SiO2 colloids template were formed through thermally...
SiO2 colloids were dispersed in hot poly-4-methyl-1-pentene (PMP) solution, and then the solution was coated on glass microscope slices by convective assembly method. PMP foam films compounded with SiO2 colloids template were formed through thermally...
2014,
26: 023001.
doi: 10.3788/HPLPB201426.023001
Abstract:
An ultrawide band paraboloidal reflector antenna for ultra-high repetition pulse has been developed. For improving radiant efficiency, the antenna adopted a new coplanar TEM feed structure, and the impedance and radiation characteristics were analyze...
An ultrawide band paraboloidal reflector antenna for ultra-high repetition pulse has been developed. For improving radiant efficiency, the antenna adopted a new coplanar TEM feed structure, and the impedance and radiation characteristics were analyze...
2014,
26: 023002.
doi: 10.3788/HPLPB201426.023002
Abstract:
Through analysing the coupling coefficient of the generalised telegraphists equations, an optimized 94 GHz gyrotron with gradually tapered cavity is designed. An output power of about 120 kW,corresponding to 41% efficiency, and an oscillation frequen...
Through analysing the coupling coefficient of the generalised telegraphists equations, an optimized 94 GHz gyrotron with gradually tapered cavity is designed. An output power of about 120 kW,corresponding to 41% efficiency, and an oscillation frequen...
2014,
26: 023003.
doi: 10.3788/HPLPB201426.023003
Abstract:
A circular TE11-HE11 mode converter with slots in its inner wall is designed for a 30.5 GHz klystron using the mode matching method. Calculations show the mode converter has a conversion of higher than 98.8% inside a 2.6% bandwidth. Experiments indic...
A circular TE11-HE11 mode converter with slots in its inner wall is designed for a 30.5 GHz klystron using the mode matching method. Calculations show the mode converter has a conversion of higher than 98.8% inside a 2.6% bandwidth. Experiments indic...
2014,
26: 023004.
doi: 10.3788/HPLPB201426.023004
Abstract:
Emission spectrum measurement and simulation are conducted to derive the vibration, rotation and electronic excitation temperature of nitrogen plasmas generated in microwave discharge with different pulse width and pressure. At the pressure of 266~40...
Emission spectrum measurement and simulation are conducted to derive the vibration, rotation and electronic excitation temperature of nitrogen plasmas generated in microwave discharge with different pulse width and pressure. At the pressure of 266~40...
2014,
26: 023005.
doi: 10.3788/HPLPB201426.023005
Abstract:
This paper introduced the particular advantages of electrostatic focusing style in millimeter traveling wave tube and analyzed the methods to establish periodic electrostatic field. Based on a Ka band traveling wave tube, first we designed an intense...
This paper introduced the particular advantages of electrostatic focusing style in millimeter traveling wave tube and analyzed the methods to establish periodic electrostatic field. Based on a Ka band traveling wave tube, first we designed an intense...
2014,
26: 023006.
doi: 10.3788/HPLPB201426.023006
Abstract:
An X-band high power relativistic klystron amplifier is studied using a 2.5 dimensional PIC code MAGIC in this paper. The presented klystron is composed of five nose-cone removed pillbox cavities, including an input cavity, three middle cavities, and...
An X-band high power relativistic klystron amplifier is studied using a 2.5 dimensional PIC code MAGIC in this paper. The presented klystron is composed of five nose-cone removed pillbox cavities, including an input cavity, three middle cavities, and...
2014,
26: 023007.
doi: 10.3788/HPLPB201426.023007
Abstract:
Considering the demand for dual-polarized wideband antenna in communication systems and radar systems, a wideband dual polarized bowtie antenna excited by non-coplanar strip line is proposed in this paper. Dual polarization is realized by two sets of...
Considering the demand for dual-polarized wideband antenna in communication systems and radar systems, a wideband dual polarized bowtie antenna excited by non-coplanar strip line is proposed in this paper. Dual polarization is realized by two sets of...
2014,
26: 023101.
doi: 10.3788/HPLPB201426.023101
Abstract:
A calculation method based on rectangular waveguide cavity theory for the open resonance structure with double-row grating and double-groove was proposed. The corrected formula of TE04-mode in the quasi optical cavity structure was proposed for the d...
A calculation method based on rectangular waveguide cavity theory for the open resonance structure with double-row grating and double-groove was proposed. The corrected formula of TE04-mode in the quasi optical cavity structure was proposed for the d...
2014,
26: 023201.
doi: 10.3788/HPLPB201426.023201
Abstract:
The analysis of electromagnetic coupling of complex cable bundle system is becoming more difficult with the increasing complexity of the electromagnetic environment. The development of high power electromagnetic radiation technology brings serious el...
The analysis of electromagnetic coupling of complex cable bundle system is becoming more difficult with the increasing complexity of the electromagnetic environment. The development of high power electromagnetic radiation technology brings serious el...
Statistical characteristics of field distribution in nested frequency stirred reverberation chambers
2014,
26: 023202.
doi: 10.3788/HPLPB201426.023202
Abstract:
In order to figure out the field distributions inside nested frequency stirred reverberation chamber (RC), the field distributions in and out of the nested small RC are analyzed on the basis of the electromagnetic statistical theory. The size of the ...
In order to figure out the field distributions inside nested frequency stirred reverberation chamber (RC), the field distributions in and out of the nested small RC are analyzed on the basis of the electromagnetic statistical theory. The size of the ...
2014,
26: 023203.
doi: 10.3788/HPLPB201426.023203
Abstract:
The power cord of much electronic equipment is twisted-wire pair. Being a special structure, to calculate its load response by radiation is very cumbersome. In many cases, one of the twisted-wire pair is connected with ground, and the height from the...
The power cord of much electronic equipment is twisted-wire pair. Being a special structure, to calculate its load response by radiation is very cumbersome. In many cases, one of the twisted-wire pair is connected with ground, and the height from the...
2014,
26: 023204.
doi: 10.3788/HPLPB201426.023204
Abstract:
This paper presents an electromagnetic topology model for shielding effectiveness estimation, considering oblique incidence and polarization, based on Robinson equivalent circuit theory. In this model, the apertures are represented by a two-port netw...
This paper presents an electromagnetic topology model for shielding effectiveness estimation, considering oblique incidence and polarization, based on Robinson equivalent circuit theory. In this model, the apertures are represented by a two-port netw...
2014,
26: 024001.
doi: 10.3788/HPLPB201426.024001
Abstract:
The electron beam generated by the Dragon-Ⅰlinear induction accelerator struck the target, and an instantaneous optic pyrometer with six working wavelengths was used to measure the temperature process of beam-target interaction region. The thicknesse...
The electron beam generated by the Dragon-Ⅰlinear induction accelerator struck the target, and an instantaneous optic pyrometer with six working wavelengths was used to measure the temperature process of beam-target interaction region. The thicknesse...
2014,
26: 024002.
doi: 10.3788/HPLPB201426.024002
Abstract:
In order to overcome the adverse factors which were brought in by the extraction of positive ions from PIG ion source for neutron tube currently. PIG negative hydride ion source was used as an ion source for neutron tube. Authors investigated the gen...
In order to overcome the adverse factors which were brought in by the extraction of positive ions from PIG ion source for neutron tube currently. PIG negative hydride ion source was used as an ion source for neutron tube. Authors investigated the gen...
2014,
26: 024003.
doi: 10.3788/HPLPB201426.024003
Abstract:
The Compton scattering tomography (CST) reconstruction is a nonlinear inverse problem due to the attenuation. One of the solutions is to combine the attenuation coefficients achieved by transmission CT data. However, the CST reconstruction is ill-pos...
The Compton scattering tomography (CST) reconstruction is a nonlinear inverse problem due to the attenuation. One of the solutions is to combine the attenuation coefficients achieved by transmission CT data. However, the CST reconstruction is ill-pos...
2014,
26: 024004.
doi: 10.3788/HPLPB201426.024004
Abstract:
Transient X-ray diffraction was used to diagnose the elastic deformation of the LiF single crystal which was shocked along the ［100］ direction. The experiment was implemented in Shenguang Ⅱ. High-intensity lasers irradiated a thin Cu foil to generate...
Transient X-ray diffraction was used to diagnose the elastic deformation of the LiF single crystal which was shocked along the ［100］ direction. The experiment was implemented in Shenguang Ⅱ. High-intensity lasers irradiated a thin Cu foil to generate...
2014,
26: 025001.
doi: 10.3788/HPLPB201426.025001
Abstract:
According to the self-healing failure mechanisms of metallized film pulse capacitors in the inertial confinement fusion (ICF) laser device, a more appropriate reliability evaluation method based on shock model was proposed. In existing accelerated de...
According to the self-healing failure mechanisms of metallized film pulse capacitors in the inertial confinement fusion (ICF) laser device, a more appropriate reliability evaluation method based on shock model was proposed. In existing accelerated de...
Second discharge characteristics of aluminum wire electrical explosion under various argon pressures
2014,
26: 025002.
doi: 10.3788/HPLPB201426.025002
Abstract:
The second discharge characteristics of aluminum wire electrical explosion under various argon pressures were studied in a RLC discharge circuit. The results show that the curve of second discharge voltages by exploding aluminum wire presents a U-sha...
The second discharge characteristics of aluminum wire electrical explosion under various argon pressures were studied in a RLC discharge circuit. The results show that the curve of second discharge voltages by exploding aluminum wire presents a U-sha...
2014,
26: 025003.
doi: 10.3788/HPLPB201426.025003
Abstract:
The circuit and load parameter ranges, in which gaseous aluminum other than core-corona structures could be obtained from the single aluminum wire Z pinch, were analyzed by thermodynamical model. Firstly, the energy deposition criterion and the volta...
The circuit and load parameter ranges, in which gaseous aluminum other than core-corona structures could be obtained from the single aluminum wire Z pinch, were analyzed by thermodynamical model. Firstly, the energy deposition criterion and the volta...
2014,
26: 025101.
doi: 10.3788/HPLPB201426.025101
Abstract:
Selection of basis material is a key process for dual high energy X-ray computer tomography basis material decomposition method (BMDM). In order to make clear the influence of different basis materials on material discrimination accuracy and put forw...
Selection of basis material is a key process for dual high energy X-ray computer tomography basis material decomposition method (BMDM). In order to make clear the influence of different basis materials on material discrimination accuracy and put forw...
2014,
26: 025102.
doi: 10.3788/HPLPB201426.025102
Abstract:
A laser wire system is being developed in the electron beam transport line of BEPCⅡ. In this paper, the simulation based on GEANT4 is presented. Firstly, the electromagnetic shower distribution in detector material was simulated to choose an initial ...
A laser wire system is being developed in the electron beam transport line of BEPCⅡ. In this paper, the simulation based on GEANT4 is presented. Firstly, the electromagnetic shower distribution in detector material was simulated to choose an initial ...
2014,
26: 025103.
doi: 10.3788/HPLPB201426.025103
Abstract:
Considering the transverse emittance of electron beam and electron beta oscillation, the statistical physics approach of the analysis to the single pass high-gain free electron laser at saturation is improved and extended to the three-dimensional cas...
Considering the transverse emittance of electron beam and electron beta oscillation, the statistical physics approach of the analysis to the single pass high-gain free electron laser at saturation is improved and extended to the three-dimensional cas...
2014,
26: 025104.
doi: 10.3788/HPLPB201426.025104
Abstract:
Maintaining and preserving a high density of particles in phase-space is an important requirement for the high brightness beams. In this paper, a photo-injector is optimized based on Dalian Coherent Light Source (DCLS) linac by using genetic algorith...
Maintaining and preserving a high density of particles in phase-space is an important requirement for the high brightness beams. In this paper, a photo-injector is optimized based on Dalian Coherent Light Source (DCLS) linac by using genetic algorith...
2014,
26: 029001.
doi: 10.3788/HPLPB201426.029001
Abstract:
Researches on the laser deposition repair of BT20 alloy forgings having hole damage were carried out, and the microstructure characteristic of laser deposition repair component was analyzed. There was a dense metallurgical bond between the repaired z...
Researches on the laser deposition repair of BT20 alloy forgings having hole damage were carried out, and the microstructure characteristic of laser deposition repair component was analyzed. There was a dense metallurgical bond between the repaired z...
2014,
26: 029002.
doi: 10.3788/HPLPB201426.029002
Abstract:
In order to study the influence of laser micro texture carbide surface on its surface wettability, this paper uses the optical fiber laser power(3,5,7,9,10 W) and machining number (1,2,3,4,5) to get different micro-pores and then uses cultra-depth th...
In order to study the influence of laser micro texture carbide surface on its surface wettability, this paper uses the optical fiber laser power(3,5,7,9,10 W) and machining number (1,2,3,4,5) to get different micro-pores and then uses cultra-depth th...
2014,
26: 029003.
doi: 10.3788/HPLPB201426.029003
Abstract:
This paper concentrates on the measurement and analysis of laser ablation effect of particularly prepared aerospace material, polycarbosilane (PCS). Laser ablation experiment setup is designed and built, based on a continuous-wave high-power solid-st...
This paper concentrates on the measurement and analysis of laser ablation effect of particularly prepared aerospace material, polycarbosilane (PCS). Laser ablation experiment setup is designed and built, based on a continuous-wave high-power solid-st...
