Email alert
RSS2016 Vol. 28, No. 09
Recommend Articles
Display Method:
2016,
28: 090201.
doi: 10.11884/HPLPB201628.160058
Abstract:
In near infrared high reflectors, nodular defects are the main factor inducing the laser damage of optical coatings. In order to improve the laser-induced damage threshold (LIDT) of the optical coatings, it is necessary to study the damage characteri...
In near infrared high reflectors, nodular defects are the main factor inducing the laser damage of optical coatings. In order to improve the laser-induced damage threshold (LIDT) of the optical coatings, it is necessary to study the damage characteri...
2016,
28: 091001.
doi: 10.11884/HPLPB201628.160046
Abstract:
For structured light decoding, we propose a universal decoding method for periodic wave patterns based on traditional phase measuring profilometry(PMP). By applying PMP phase computation algorithm in such periodic wave patterns, as triangular, sawtoo...
For structured light decoding, we propose a universal decoding method for periodic wave patterns based on traditional phase measuring profilometry(PMP). By applying PMP phase computation algorithm in such periodic wave patterns, as triangular, sawtoo...
2016,
28: 091002.
doi: 10.11884/HPLPB201628.160011
Abstract:
Two main problems must be solved in order to obtain a reliable slab laser gain medium module with large size and low wave-front distortion during high power working condition. The first problem is the formation of a large connection area with low the...
Two main problems must be solved in order to obtain a reliable slab laser gain medium module with large size and low wave-front distortion during high power working condition. The first problem is the formation of a large connection area with low the...
2016,
28: 091003.
doi: 10.11884/HPLPB201628.151225
Abstract:
This paper presents a physical model about the temperature distribution of a silicon preform exposed to a 10.6 m CO2 laser in consideration of air convection and environmental radiation heat transfer. In the meantime, an approach of heating the prefo...
This paper presents a physical model about the temperature distribution of a silicon preform exposed to a 10.6 m CO2 laser in consideration of air convection and environmental radiation heat transfer. In the meantime, an approach of heating the prefo...
2016,
28: 091004.
doi: 10.11884/HPLPB201628.151288
Abstract:
A novel method of 3-D visual reconstruction without system calibration, which is based on phase map, is proposed to solve the problem of the dependency on calibration information in traditional 3-D reconstruction. Firstly, the phase map of the scanne...
A novel method of 3-D visual reconstruction without system calibration, which is based on phase map, is proposed to solve the problem of the dependency on calibration information in traditional 3-D reconstruction. Firstly, the phase map of the scanne...
2016,
28: 092001.
doi: 10.11884/HPLPB201628.160037
Abstract:
Alkali borosilicate glasses are used in inertial confinement fusion (ICF) as materials of hollow glass microspheres (HGMs). In this work, classical molecular dynamic simulation was addressed to study this kind of glass. Then the microstructure includ...
Alkali borosilicate glasses are used in inertial confinement fusion (ICF) as materials of hollow glass microspheres (HGMs). In this work, classical molecular dynamic simulation was addressed to study this kind of glass. Then the microstructure includ...
An Abel inversion method based on basis set expansion for discontinuous radial distribution problems
2016,
28: 092002.
doi: 10.11884/HPLPB201628.151262
Abstract:
Diagnostics of fusion capsule plasma which usually has a discontinuous radial distribution is a basic problem in laser fusion plasma researches. An Abel inversion method based on basis set expansion was proposed to handle this discontinuous Abel inve...
Diagnostics of fusion capsule plasma which usually has a discontinuous radial distribution is a basic problem in laser fusion plasma researches. An Abel inversion method based on basis set expansion was proposed to handle this discontinuous Abel inve...
2016,
28: 092003.
doi: 10.11884/HPLPB201628.151128
Abstract:
Based on emission mode of transmit cathode and the principle of FXRD, a transmit cathode for XRD was designed and manufactured. A sample with a cathode made up of 550 nm CH and 50 nm Au was used for preliminary experiments on SG-Ⅲ prototype facility....
Based on emission mode of transmit cathode and the principle of FXRD, a transmit cathode for XRD was designed and manufactured. A sample with a cathode made up of 550 nm CH and 50 nm Au was used for preliminary experiments on SG-Ⅲ prototype facility....
2016,
28: 092004.
doi: 10.11884/HPLPB201628.160078
Abstract:
The hydrocarbon glow discharge polymer (GDP) shells fabricated by plasma polymerization technology were used as the ablators for ICF targets. In order to understand the properties of hydrocarbon plasma for GDP deposition, plasmas of trans-two-butane ...
The hydrocarbon glow discharge polymer (GDP) shells fabricated by plasma polymerization technology were used as the ablators for ICF targets. In order to understand the properties of hydrocarbon plasma for GDP deposition, plasmas of trans-two-butane ...
2016,
28: 093001.
doi: 10.11884/HPLPB201628.151272
Abstract:
The influence of equivalent surface currents was introduced and the farfield directivity was amended which was more adaptive to describe the aperture radiation characteristics. It was concluded that wide impulse, small aperture, severe tapered field ...
The influence of equivalent surface currents was introduced and the farfield directivity was amended which was more adaptive to describe the aperture radiation characteristics. It was concluded that wide impulse, small aperture, severe tapered field ...
2016,
28: 093002.
doi: 10.11884/HPLPB201628.151098
Abstract:
A Ku band coaxial relativistic backward wave oscillator (RBWO) with low magnetic field is presented in this paper. This RBWO works at coaxial TM01-mode which contains two-segment slow wave structures (SWSs). The first segment SWS mainly modulates the...
A Ku band coaxial relativistic backward wave oscillator (RBWO) with low magnetic field is presented in this paper. This RBWO works at coaxial TM01-mode which contains two-segment slow wave structures (SWSs). The first segment SWS mainly modulates the...
2016,
28: 093003.
doi: 10.11884/HPLPB201628.151187
Abstract:
A metallic metamaterial high power microwave (HPM) mode converter which converts cylindrical TEM mode to TE11 mode is presented. Metallic sector grid elements are periodically arranged both in the azimuthal and longitudinal directions to gain high re...
A metallic metamaterial high power microwave (HPM) mode converter which converts cylindrical TEM mode to TE11 mode is presented. Metallic sector grid elements are periodically arranged both in the azimuthal and longitudinal directions to gain high re...
2016,
28: 093004.
doi: 10.11884/HPLPB201628.160002
Abstract:
By elaborately designing the slow wave structure (SWS), an oversized terahertz backward wave oscillator(BWO) with high output power and high beam-wave conversion efficiency is presented and the 2.5-D particle-in-cell simulations are carried out using...
By elaborately designing the slow wave structure (SWS), an oversized terahertz backward wave oscillator(BWO) with high output power and high beam-wave conversion efficiency is presented and the 2.5-D particle-in-cell simulations are carried out using...
2016,
28: 093005.
doi: 10.11884/HPLPB201628.160025
Abstract:
A new slow-wave structure with two rectangular helixes is described in this paper. The high-frequency characteristics including dispersion characteristic and coupling impedance are calculated using 3D electromagnetic simulation software. The result s...
A new slow-wave structure with two rectangular helixes is described in this paper. The high-frequency characteristics including dispersion characteristic and coupling impedance are calculated using 3D electromagnetic simulation software. The result s...
2016,
28: 093006.
doi: 10.11884/HPLPB201628.150842
Abstract:
A V-band mode-selective coupler is designed for measuring the output power of overmoded high power millimeter-wave generators. The small-hole coupling theory and infinitesimal dividing method are adopted to analyze the coupling characteristics of the...
A V-band mode-selective coupler is designed for measuring the output power of overmoded high power millimeter-wave generators. The small-hole coupling theory and infinitesimal dividing method are adopted to analyze the coupling characteristics of the...
2016,
28: 093007.
doi: 10.11884/HPLPB201628.151205
Abstract:
A new type of test system has been designed for the research on microwave radiation characteristics of large-aperture antenna excited by short pulses. The system is made of a pulse-width tuning microwave source (the shortest pulse-width is 0.5 ns) an...
A new type of test system has been designed for the research on microwave radiation characteristics of large-aperture antenna excited by short pulses. The system is made of a pulse-width tuning microwave source (the shortest pulse-width is 0.5 ns) an...
2016,
28: 093008.
doi: 10.11884/HPLPB201628.160027
Abstract:
This paper proposes a compact balanced Wilkinson power divider based on artificial transmission lines using double-sided parallel-strip lines. The design consists of artificial transmission lines to replace conventional transmission lines to save cir...
This paper proposes a compact balanced Wilkinson power divider based on artificial transmission lines using double-sided parallel-strip lines. The design consists of artificial transmission lines to replace conventional transmission lines to save cir...
2016,
28: 093009.
doi: 10.11884/HPLPB201628.151261
Abstract:
A variable pulse generation and radiation system working at high-power very high frequency(VHF) band was investigated. Based on optimization, radiation output with pulse width between several nanoseconds and tens of nanoseconds was obtained under lab...
A variable pulse generation and radiation system working at high-power very high frequency(VHF) band was investigated. Based on optimization, radiation output with pulse width between several nanoseconds and tens of nanoseconds was obtained under lab...
2016,
28: 094001.
doi: 10.11884/HPLPB201628.150642
Abstract:
In muon tomography based on multiple Coulomb scattering, the scattering properties of cosmic-ray muons are distinctive even for the same target due to their different momentum distribution, which, to some extent, cast down the imaging resolution. For...
In muon tomography based on multiple Coulomb scattering, the scattering properties of cosmic-ray muons are distinctive even for the same target due to their different momentum distribution, which, to some extent, cast down the imaging resolution. For...
2016,
28: 094002.
doi: 10.11884/HPLPB201628.150498
Abstract:
Blurring and noise are serious problems in hydro-test with high-energy X-ray radiography and make it difficult to reconstruct density distributions from radiographic images. A constrained optimization reconstruction method to decrease the blurring an...
Blurring and noise are serious problems in hydro-test with high-energy X-ray radiography and make it difficult to reconstruct density distributions from radiographic images. A constrained optimization reconstruction method to decrease the blurring an...
2016,
28: 095001.
doi: 10.11884/HPLPB201628.160072
Abstract:
Experiments about single wire exploding were carried out on the fast linear transformer driver(FLTD), which provides a current of about 100 ns rising time and about 100 kA maximum amplitude. Laser probe and visible framing camera have been set up for...
Experiments about single wire exploding were carried out on the fast linear transformer driver(FLTD), which provides a current of about 100 ns rising time and about 100 kA maximum amplitude. Laser probe and visible framing camera have been set up for...
2016,
28: 095002.
doi: 10.11884/HPLPB201628.151077
Abstract:
In order to track the plasma rapid change in the vertical displacement, an H-bridge quick response power supply based on IGBT has been developed, rating of the power supply parameters for +500 V/+3 kA. Due to the structure and control strategy, the o...
In order to track the plasma rapid change in the vertical displacement, an H-bridge quick response power supply based on IGBT has been developed, rating of the power supply parameters for +500 V/+3 kA. Due to the structure and control strategy, the o...
2016,
28: 095003.
doi: 10.11884/HPLPB201628.150883
Abstract:
A new kind of high-power pulse laser diode has been researched, and it is mainly used for triggering high-gain gallium arsenide photoconductive semiconductor switch (GaAs PCSS) in experiments. The driver of the laser diode is based on RF MOSFET and i...
A new kind of high-power pulse laser diode has been researched, and it is mainly used for triggering high-gain gallium arsenide photoconductive semiconductor switch (GaAs PCSS) in experiments. The driver of the laser diode is based on RF MOSFET and i...
2016,
28: 095004.
doi: 10.11884/HPLPB201628.151091
Abstract:
The electric field emission and thermal emission around the junction of triple point and the secondary electron emission are believed to play a major role in the initialization and the development stages of the surface flashover. We have extended OPA...
The electric field emission and thermal emission around the junction of triple point and the secondary electron emission are believed to play a major role in the initialization and the development stages of the surface flashover. We have extended OPA...
2016,
28: 095101.
doi: 10.11884/HPLPB201628.150950
Abstract:
Two types of flashover phenomenons were discovered during the high voltage test of Dragon-Ⅱ linear induction accelerator insulator ring, which was made by cross-linked polystyrene. One type of the flashover was initialized from cathode and the other ...
Two types of flashover phenomenons were discovered during the high voltage test of Dragon-Ⅱ linear induction accelerator insulator ring, which was made by cross-linked polystyrene. One type of the flashover was initialized from cathode and the other ...
2016,
28: 095102.
doi: 10.11884/HPLPB201628.151292
Abstract:
The electron cloud instability is believed to be an obstacle for the high intensity proton accelerators. The secondary electron multipacting is responsible for the development of the electron cloud. It can be explained by the energy gain and motion o...
The electron cloud instability is believed to be an obstacle for the high intensity proton accelerators. The secondary electron multipacting is responsible for the development of the electron cloud. It can be explained by the energy gain and motion o...
2016,
28: 095103.
doi: 10.11884/HPLPB201628.151286
Abstract:
Beam signal stretching is significant for bunch-by-bunch position measurements on a storage ring. This paper presents a signal stretching method using the low-pass filter and envelope detection through analysis of beam signal characteristics on the s...
Beam signal stretching is significant for bunch-by-bunch position measurements on a storage ring. This paper presents a signal stretching method using the low-pass filter and envelope detection through analysis of beam signal characteristics on the s...
2016,
28: 095104.
doi: 10.11884/HPLPB201628.160112
Abstract:
This paper proposes an improved bunch length measurement method based on high order mode cavity. Different from traditional ways, the new method uses the cavity that resonates with higher order mode TM0n0 instead of fundamental mode TM010. The operat...
This paper proposes an improved bunch length measurement method based on high order mode cavity. Different from traditional ways, the new method uses the cavity that resonates with higher order mode TM0n0 instead of fundamental mode TM010. The operat...
2016,
28: 096001.
doi: 10.11884/HPLPB201628.151260
Abstract:
It is crucial to calculate the electric field distribution using Finite Element Analysis (FEA) program so as to do high efficiency simulation works for TPC gaseous detectors. A FEA program combined with the nodes positioning method has been employed ...
It is crucial to calculate the electric field distribution using Finite Element Analysis (FEA) program so as to do high efficiency simulation works for TPC gaseous detectors. A FEA program combined with the nodes positioning method has been employed ...
2016,
28: 096002.
doi: 10.11884/HPLPB201628.151241
Abstract:
Scintillation detectors based on LaBr3 are the new type of detectors for measuring -rays in a mixed /n pulsed radiation field with high intensity. It owns superior properties such as fast response time, small nonproportionality, and high scintillatio...
Scintillation detectors based on LaBr3 are the new type of detectors for measuring -rays in a mixed /n pulsed radiation field with high intensity. It owns superior properties such as fast response time, small nonproportionality, and high scintillatio...
2016,
28: 096003.
doi: 10.11884/HPLPB201628.151204
Abstract:
When using SDEF card in MCNP code to describe source information of fixed sources, it is necessary to input the distribution of the source. MCNP code offers SP card to input the distribution probability. The V option of SP card is for cell distributi...
When using SDEF card in MCNP code to describe source information of fixed sources, it is necessary to input the distribution of the source. MCNP code offers SP card to input the distribution probability. The V option of SP card is for cell distributi...
2016,
28: 096004.
doi: 10.11884/HPLPB201628.160018
Abstract:
When applied the minitype reference radiation (MRR) to calibrate gamma ray dosimeters, the shielding structure of the MRR should meet the shielding technique demand, in which the limit dose rate of the outside surface of the MRR must be lower than 5 ...
When applied the minitype reference radiation (MRR) to calibrate gamma ray dosimeters, the shielding structure of the MRR should meet the shielding technique demand, in which the limit dose rate of the outside surface of the MRR must be lower than 5 ...
2016,
28: 099001.
doi: 10.11884/HPLPB201628.160048
Abstract:
Based on the fact that surface textured cutting tool can effectively improve the cutting performance, taking broach material into consideration a processing method of micro-textured broach was put forward. Laser processing technology was used to gene...
Based on the fact that surface textured cutting tool can effectively improve the cutting performance, taking broach material into consideration a processing method of micro-textured broach was put forward. Laser processing technology was used to gene...
