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RSS2017 Vol. 29, No. 07
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2017,
29: 071001.
doi: 10.11884/HPLPB201729.170021
Abstract:
The characterization of the twist beam can not be accomplished by using only the beam propagation ratios because the transverse cross section keeps changing during propagation. The generation and characterization of the twist Gaussian beam by two cyl...
The characterization of the twist beam can not be accomplished by using only the beam propagation ratios because the transverse cross section keeps changing during propagation. The generation and characterization of the twist Gaussian beam by two cyl...
2017,
29: 071002.
doi: 10.11884/HPLPB201729.160534
Abstract:
Due to the difference between analysis frequency intervals and frequency resolution, and the introduction of window functions, general numerical calculation of power spectral density (PSD) may cause a loss in variance information. With different sele...
Due to the difference between analysis frequency intervals and frequency resolution, and the introduction of window functions, general numerical calculation of power spectral density (PSD) may cause a loss in variance information. With different sele...
2017,
29: 071003.
doi: 10.11884/HPLPB201729.160520
Abstract:
To achieve two-dimensional beam shaping, adapt to the parameter variation of divergence angle and beam size, improve beam quality, the article presents a two-dimensional beam shaping method for beams with large aspect ratio and variable divergence an...
To achieve two-dimensional beam shaping, adapt to the parameter variation of divergence angle and beam size, improve beam quality, the article presents a two-dimensional beam shaping method for beams with large aspect ratio and variable divergence an...
2017,
29: 071004.
doi: 10.11884/HPLPB201729.170030
Abstract:
Based on magnesium oxide-doped periodically poled lithium niobate (MgO:PPLN) crystal, a second-level optical parametric amplifier (OPA) with continuous-wave(CW) laser injection was studied. Pumped by a 10 kHz, 1064 nm, 6 W(the maximum average output ...
Based on magnesium oxide-doped periodically poled lithium niobate (MgO:PPLN) crystal, a second-level optical parametric amplifier (OPA) with continuous-wave(CW) laser injection was studied. Pumped by a 10 kHz, 1064 nm, 6 W(the maximum average output ...
2017,
29: 071005.
doi: 10.11884/HPLPB201729.160467
Abstract:
Metallic honeycomb sandwich structure is one of the major substructures in the reusable metal thermal projection system (MTPS). The thermal field of metallic honeycomb plate in flows with energy addition was computed. For typical metallic honeycomb k...
Metallic honeycomb sandwich structure is one of the major substructures in the reusable metal thermal projection system (MTPS). The thermal field of metallic honeycomb plate in flows with energy addition was computed. For typical metallic honeycomb k...
2017,
29: 071006.
doi: 10.11884/HPLPB201729.170017
Abstract:
The optical properties of metal targets subject to ultrafast laser irradiation are dynamically changing. A hybrid method coupling the two-temperature model with molecular dynamics has been used to simulate the femto-and pico-second laser-induced ther...
The optical properties of metal targets subject to ultrafast laser irradiation are dynamically changing. A hybrid method coupling the two-temperature model with molecular dynamics has been used to simulate the femto-and pico-second laser-induced ther...
2017,
29: 071007.
doi: 10.11884/HPLPB201729.170006
Abstract:
Previous experiments have shown that high-intensity laser interaction with a solid target can be regarded as a new ionizing radiation source. The radioprotection issue attracts a growing concern worldwide. In order to effectively control the radiolog...
Previous experiments have shown that high-intensity laser interaction with a solid target can be regarded as a new ionizing radiation source. The radioprotection issue attracts a growing concern worldwide. In order to effectively control the radiolog...
2017,
29: 072001.
doi: 10.11884/HPLPB201729.170002
Abstract:
Combining PTS facility and magnetized linear inertial fusion (MagLIF) research, 1D simulation code MagLIF-1D was programmed based on MHD theory and DT fuel energy equations. Most challenges came from solving difficulties on boundary coupling, and its...
Combining PTS facility and magnetized linear inertial fusion (MagLIF) research, 1D simulation code MagLIF-1D was programmed based on MHD theory and DT fuel energy equations. Most challenges came from solving difficulties on boundary coupling, and its...
2017,
29: 073201.
doi: 10.11884/HPLPB201729.170027
Abstract:
The applicability of thin slot formalisms(TSFs) in finite-difference time-domain(FDTD) simulation is investigated by comparing the average relative error of different TSFs to fine-gridded FDTD in terms of slot width occupancy and frequency, and by co...
The applicability of thin slot formalisms(TSFs) in finite-difference time-domain(FDTD) simulation is investigated by comparing the average relative error of different TSFs to fine-gridded FDTD in terms of slot width occupancy and frequency, and by co...
2017,
29: 074001.
doi: 10.11884/HPLPB201729.170009
Abstract:
In neutron digital imaging experiments, field programmable gate array (FPGA) is an important logic control unit for imaging. However, neutron irradiation can not only cause single event effects of FPGA, but also bring noises to neutron imaging. It is...
In neutron digital imaging experiments, field programmable gate array (FPGA) is an important logic control unit for imaging. However, neutron irradiation can not only cause single event effects of FPGA, but also bring noises to neutron imaging. It is...
2017,
29: 074002.
doi: 10.11884/HPLPB201729.160483
Abstract:
Electron beam rapid prototyping machine has high working frequency, trajectory deviation can be caused by many factors, such as iron losses and eddy. We conducted interpolation algorithm to restrain dynamic deviation by getting deflection scanning pa...
Electron beam rapid prototyping machine has high working frequency, trajectory deviation can be caused by many factors, such as iron losses and eddy. We conducted interpolation algorithm to restrain dynamic deviation by getting deflection scanning pa...
2017,
29: 074101.
doi: 10.11884/HPLPB201729.170007
Abstract:
Thin film bulk acoustic resonators(FBARs) are feasible to detect gamma irradiation by experiments, but the sensing mechanism has not been thoroughly studied. According to two different FBAR structures, two sensing mechanisms are proposed to explain t...
Thin film bulk acoustic resonators(FBARs) are feasible to detect gamma irradiation by experiments, but the sensing mechanism has not been thoroughly studied. According to two different FBAR structures, two sensing mechanisms are proposed to explain t...
2017,
29: 074102.
doi: 10.11884/HPLPB201729.170028
Abstract:
Deep Reactive Ion Etching (DRIE) process on Si to achieve nanopillar arrays with large aspect ratio by using hydrogen silsesquioxane (HSQ) as etching masks has been systematically studied. Parameters in etching process such as coil power, platen powe...
Deep Reactive Ion Etching (DRIE) process on Si to achieve nanopillar arrays with large aspect ratio by using hydrogen silsesquioxane (HSQ) as etching masks has been systematically studied. Parameters in etching process such as coil power, platen powe...
2017,
29: 075001.
doi: 10.11884/HPLPB201729.170050
Abstract:
Based on structures in feeder line, two critical factors including resonance and higher mode, which affect bandwidth characteristics of feeder line, are analyzed. By measuring time-domain impedance and S parameters over the range of pulse frequency s...
Based on structures in feeder line, two critical factors including resonance and higher mode, which affect bandwidth characteristics of feeder line, are analyzed. By measuring time-domain impedance and S parameters over the range of pulse frequency s...
2017,
29: 075002.
doi: 10.11884/HPLPB201729.160445
Abstract:
Firing synchronization is the key for thyristor rectifier control in the EAST polarity field converter power supply system. The converter-transformed second ary voltage signal was adopted as the synchronizing signal to improve the control precision. ...
Firing synchronization is the key for thyristor rectifier control in the EAST polarity field converter power supply system. The converter-transformed second ary voltage signal was adopted as the synchronizing signal to improve the control precision. ...
2017,
29: 075003.
doi: 10.11884/HPLPB201729.170005
Abstract:
The corona discharge effect was employed in the design of the multi-gap gas switch for voltage balance. The performance of the switch was determined by the consistency of the corona current in each gap. Aiming at optimizing the design of the 6-gap sw...
The corona discharge effect was employed in the design of the multi-gap gas switch for voltage balance. The performance of the switch was determined by the consistency of the corona current in each gap. Aiming at optimizing the design of the 6-gap sw...
2017,
29: 075101.
doi: 10.11884/HPLPB201729.160562
Abstract:
In order to improve product reliability, and to quickly identify the source of failure when the electronic equipment breaks down, thus to protect normal operation of the equipment, this paper introduces the diagnosis modeling method based on the mult...
In order to improve product reliability, and to quickly identify the source of failure when the electronic equipment breaks down, thus to protect normal operation of the equipment, this paper introduces the diagnosis modeling method based on the mult...
2017,
29: 075102.
doi: 10.11884/HPLPB201729.170019
Abstract:
For the fact that most of the front-end devices are slow devices with communication port in the control system of Linear Induction Accelerator (LIA), this paper combines synchronous communication module Asyn with StreamDevice module to realize the di...
For the fact that most of the front-end devices are slow devices with communication port in the control system of Linear Induction Accelerator (LIA), this paper combines synchronous communication module Asyn with StreamDevice module to realize the di...
2017,
29: 075103.
doi: 10.11884/HPLPB201729.170014
Abstract:
A pair of Apple-II type EPU (double elliptical polarization undulators, DEPU) was installed in the SSRF storage ring. The unwanted integral magnetic field errors induced by the devices lead to closed-orbit distortions (COD), tune shifts, coupling var...
A pair of Apple-II type EPU (double elliptical polarization undulators, DEPU) was installed in the SSRF storage ring. The unwanted integral magnetic field errors induced by the devices lead to closed-orbit distortions (COD), tune shifts, coupling var...
2017,
29: 075104.
doi: 10.11884/HPLPB201729.160489
Abstract:
By observing and analyzing the sparking and breaking down of the high-voltage cable socket of the pulsed power supply during the 72 hours conditioning experiment, the electrical field distribution equivalent circuit of the terminal of the high-voltag...
By observing and analyzing the sparking and breaking down of the high-voltage cable socket of the pulsed power supply during the 72 hours conditioning experiment, the electrical field distribution equivalent circuit of the terminal of the high-voltag...
2017,
29: 076001.
doi: 10.11884/HPLPB201729.160320
Abstract:
The linear discontinuous finite element method for the spherical neutron transport equation will give negative angular flux. A positivity preserving linear discontinuous finite element scheme has been constructed and this scheme can preserve zeroth o...
The linear discontinuous finite element method for the spherical neutron transport equation will give negative angular flux. A positivity preserving linear discontinuous finite element scheme has been constructed and this scheme can preserve zeroth o...
2017,
29: 076002.
doi: 10.11884/HPLPB201729.160554
Abstract:
The heat transfer efficiency in high-multiplication water-cooled solid breeder is directly affected by the characteristics of the flow distribution in parallel tubes, however, there are no simple and effective methods for the initial design of the pa...
The heat transfer efficiency in high-multiplication water-cooled solid breeder is directly affected by the characteristics of the flow distribution in parallel tubes, however, there are no simple and effective methods for the initial design of the pa...
