2006 Vol. 18, No. 11
Recommend Articles
Display Method:
2006,
18.
Abstract:
Considering the factors such as the left or right turning directions of wave, the wave being forward or backward, all the possible modes in helical wave guide are given by using the coupling wave equations of helical wave guide. The relationships amo...
Considering the factors such as the left or right turning directions of wave, the wave being forward or backward, all the possible modes in helical wave guide are given by using the coupling wave equations of helical wave guide. The relationships amo...
2006,
18.
Abstract:
This paper focuses on an intense relativistic annular electron beam in an equi-potential resonant cavity nonlinear self-modulation oscillation. By using the small signal theory, the start oscillation condition is analyzed and the perturbation frequen...
This paper focuses on an intense relativistic annular electron beam in an equi-potential resonant cavity nonlinear self-modulation oscillation. By using the small signal theory, the start oscillation condition is analyzed and the perturbation frequen...
2006,
18.
Abstract:
To investigate the effects of low and high dose UWB microwave irradiations on peripheral blood cells in rats, wistar rats were exposed to 90 kV/m and 180 kV/m UWB microwave irradiation for 10 min.Venous blood samples were collected at 0, 3, 12, 24 an...
To investigate the effects of low and high dose UWB microwave irradiations on peripheral blood cells in rats, wistar rats were exposed to 90 kV/m and 180 kV/m UWB microwave irradiation for 10 min.Venous blood samples were collected at 0, 3, 12, 24 an...
2006,
18.
Abstract:
A serpentine TM01-TE11 mode converter with input and output ports aligned on the same axis was designed by adopting phase rematch technique. The converter is formed with three constant-curvature bent waveguides and two straight waveguides. Numerical ...
A serpentine TM01-TE11 mode converter with input and output ports aligned on the same axis was designed by adopting phase rematch technique. The converter is formed with three constant-curvature bent waveguides and two straight waveguides. Numerical ...
2006,
18.
Abstract:
The coupled Maxwell's equations, heat transport equation and carrier equations are solved to simulate the change of temperature and scatering parameters of the GaAs MESFET which is under the irradiation of high power electromagnetic pulses. The trans...
The coupled Maxwell's equations, heat transport equation and carrier equations are solved to simulate the change of temperature and scatering parameters of the GaAs MESFET which is under the irradiation of high power electromagnetic pulses. The trans...
2006,
18.
Abstract:
In this paper, a compact L-band coaxial relativistic backward wave oscillator is investigated using the 2.5 D particle simulation code. Detail physical interaction pictures of the oscillator are presented. Simulation results show that the radius of t...
In this paper, a compact L-band coaxial relativistic backward wave oscillator is investigated using the 2.5 D particle simulation code. Detail physical interaction pictures of the oscillator are presented. Simulation results show that the radius of t...
2006,
18.
Abstract:
Research method to achieve large bandwidth pulses for detecting neural weak signal is given. Much larger survey depth, better resolution ratio, more powerful image capability and recognition capability can be achieved by using UWB electromagnetic pul...
Research method to achieve large bandwidth pulses for detecting neural weak signal is given. Much larger survey depth, better resolution ratio, more powerful image capability and recognition capability can be achieved by using UWB electromagnetic pul...
2006,
18.
Abstract:
A new radial klystron oscillator driven by intense relativistic electron beam is studied in this paper. A radial intense relativistic electron beam goes through foldaway coaxial cavity , and sel-excites the cavity. The space charge limited current of...
A new radial klystron oscillator driven by intense relativistic electron beam is studied in this paper. A radial intense relativistic electron beam goes through foldaway coaxial cavity , and sel-excites the cavity. The space charge limited current of...
2006,
18.
Abstract:
This paper presents how to design cavities for 8 mm second-harmonic gyroklystron amplifier based on the theory of gyroklystron amplifier. A lot of factors, such as the radius, length of cavity, modes competing, beam-wave coupling coefficient and the ...
This paper presents how to design cavities for 8 mm second-harmonic gyroklystron amplifier based on the theory of gyroklystron amplifier. A lot of factors, such as the radius, length of cavity, modes competing, beam-wave coupling coefficient and the ...
2006,
18.
Abstract:
A new gas-solid reaction system for singlet oxygen generation in which sodium peroxide reacted with gaseous chlorine(Na2O2/Cl2) in a fixed-bed reactor was reported. The singlet oxygen emission spectra from Na2O2/Cl2 reaction system were recorded by a...
A new gas-solid reaction system for singlet oxygen generation in which sodium peroxide reacted with gaseous chlorine(Na2O2/Cl2) in a fixed-bed reactor was reported. The singlet oxygen emission spectra from Na2O2/Cl2 reaction system were recorded by a...
2006,
18.
Abstract:
The pressure recovery system is an important part of Chemical Oxygen-Iodine Laser(COIL). Adopting cryosorption vacuum system as the pressure recovery system of COIL, the pressure recovery capability of cryosorption vacuum system is determined directl...
The pressure recovery system is an important part of Chemical Oxygen-Iodine Laser(COIL). Adopting cryosorption vacuum system as the pressure recovery system of COIL, the pressure recovery capability of cryosorption vacuum system is determined directl...
2006,
18.
Abstract:
A method for measuring atmospheric turbulence by lidar is reported with its principle, technology and the primary measurement results. Time variations of atmospheric coherence length measured in different altitude range, average atmospheric coherence...
A method for measuring atmospheric turbulence by lidar is reported with its principle, technology and the primary measurement results. Time variations of atmospheric coherence length measured in different altitude range, average atmospheric coherence...
2006,
18.
Abstract:
Based on double-edge technique, the optimization of the operation parameters of Fabry-Perot interferometers in the direct detection Doppler wind lidar is presented. The effects of the laser spectral width, mirror surface defects, parallelism errors, ...
Based on double-edge technique, the optimization of the operation parameters of Fabry-Perot interferometers in the direct detection Doppler wind lidar is presented. The effects of the laser spectral width, mirror surface defects, parallelism errors, ...
2006,
18.
Abstract:
Optics aberrations are studied for the case when the aero-noise pulse is propagating through the optical beam. The flow is governed by the Favre-averaged N-S equations. To split the viscosity flux and the convective flux of the N-S equations, the sec...
Optics aberrations are studied for the case when the aero-noise pulse is propagating through the optical beam. The flow is governed by the Favre-averaged N-S equations. To split the viscosity flux and the convective flux of the N-S equations, the sec...
2006,
18.
Abstract:
In the field of fiber laser coherent combining, phase controlling of ytterbium fiber amplifiers is the most difficult technology in the Master Oscillator-Power Amplifier scheme. Two methods to realize phase controlling of ytterbium fiber amplifiers a...
In the field of fiber laser coherent combining, phase controlling of ytterbium fiber amplifiers is the most difficult technology in the Master Oscillator-Power Amplifier scheme. Two methods to realize phase controlling of ytterbium fiber amplifiers a...
2006,
18.
Abstract:
To accurately profile transparent element with parallel surface, this article presents a new simple and useful method by using a Fourier analysis technique with single three-beam interfere pattern. The test surface’s frequency spectrum from the frequ...
To accurately profile transparent element with parallel surface, this article presents a new simple and useful method by using a Fourier analysis technique with single three-beam interfere pattern. The test surface’s frequency spectrum from the frequ...
2006,
18.
Abstract:
With fringe fields the experiments were carried out to improve the image resolution. The illuminating field is composed of cosine fringes, then the higher frequency component beyond the cutoff of the optical system can be passed. A higher resolution ...
With fringe fields the experiments were carried out to improve the image resolution. The illuminating field is composed of cosine fringes, then the higher frequency component beyond the cutoff of the optical system can be passed. A higher resolution ...
2006,
18.
Abstract:
The experimental results of the stable high-order harmonically mode-locked pulses generation, amplification and compression in Yb3+-doped fiber laser system were reported. Using nonlinear polarization rotation(NPR) effect, the artifical saturable abs...
The experimental results of the stable high-order harmonically mode-locked pulses generation, amplification and compression in Yb3+-doped fiber laser system were reported. Using nonlinear polarization rotation(NPR) effect, the artifical saturable abs...
2006,
18.
Abstract:
The thermal-mechanical effects on rotating internally pressured cylindrical shell irradiated by the laser beam have been calculated by using finite element method, and the physical parameters are obtained, such as temperature, stress, strain, and dis...
The thermal-mechanical effects on rotating internally pressured cylindrical shell irradiated by the laser beam have been calculated by using finite element method, and the physical parameters are obtained, such as temperature, stress, strain, and dis...
2006,
18.
Abstract:
Field experiments were performed upon the laser beam propagation using a three-wavelength scintillometer in the maritime atmospheric boundary layer. The results show that the high-frequency spectrum behavior has something to do with the wavelength. T...
Field experiments were performed upon the laser beam propagation using a three-wavelength scintillometer in the maritime atmospheric boundary layer. The results show that the high-frequency spectrum behavior has something to do with the wavelength. T...
2006,
18.
Abstract:
The temperature fields and stress fields of solid-state heat-capacity laser(SSHCL) and solid steady state laser were analyzed by finite-element analysis. The distance between LD arrays and laser crystal is 3.5 mm, LD array power 4 200 W×2, LD bars in...
The temperature fields and stress fields of solid-state heat-capacity laser(SSHCL) and solid steady state laser were analyzed by finite-element analysis. The distance between LD arrays and laser crystal is 3.5 mm, LD array power 4 200 W×2, LD bars in...
2006,
18.
Abstract:
Laser focuses onto a target, producing an ablation back-jet, which provides a micro-impulse. The torsion pendulum micro-impulse measure method was studied. The equations of oscillation were put forward under the thrust of ablation back-jet. And the i...
Laser focuses onto a target, producing an ablation back-jet, which provides a micro-impulse. The torsion pendulum micro-impulse measure method was studied. The equations of oscillation were put forward under the thrust of ablation back-jet. And the i...
2006,
18.
Abstract:
Phase modulation was always used to prevent stimulated Brillouin scattering(SBS) which could damage the optics such as lenses in high power laser systems. Band pass filters such as fiber Bragg gratings were usually used in the optical fiber amplifier...
Phase modulation was always used to prevent stimulated Brillouin scattering(SBS) which could damage the optics such as lenses in high power laser systems. Band pass filters such as fiber Bragg gratings were usually used in the optical fiber amplifier...
2006,
18.
Abstract:
The 30° Au conical target and Au foil target were irradiated by 20 TW ps P-polarized laser plasma, the characteristics of the forward produced hot electrons were studied. The hot electron number of the cone target was larger than that of the foil tar...
The 30° Au conical target and Au foil target were irradiated by 20 TW ps P-polarized laser plasma, the characteristics of the forward produced hot electrons were studied. The hot electron number of the cone target was larger than that of the foil tar...
2006,
18.
Abstract:
A mathematic model is established that formulated the relationship between the working temperature and thermal gradient in producing a uniform liquid layer of binary fuel mixture inside a cryogenic spherical shell inertial confinement fusion target. ...
A mathematic model is established that formulated the relationship between the working temperature and thermal gradient in producing a uniform liquid layer of binary fuel mixture inside a cryogenic spherical shell inertial confinement fusion target. ...
2006,
18.
Abstract:
Surface damage of optical components is the main cause of lowering the laser-induced damage threshold. Surface scratches are observed exactly, and are divided into three kinds, namely, one scratch, two scratches and multi-scratches. By the method of ...
Surface damage of optical components is the main cause of lowering the laser-induced damage threshold. Surface scratches are observed exactly, and are divided into three kinds, namely, one scratch, two scratches and multi-scratches. By the method of ...
2006,
18.
Abstract:
Polyvinyl alcohol(PVA) capsule layer, as a gas barrier, were developed for the inertial confinement fusion(ICF) program. This paper presented the simulation study on fabrication of PVA coating using drop-tower technique. Based on the heat, mass and m...
Polyvinyl alcohol(PVA) capsule layer, as a gas barrier, were developed for the inertial confinement fusion(ICF) program. This paper presented the simulation study on fabrication of PVA coating using drop-tower technique. Based on the heat, mass and m...
2006,
18.
Abstract:
MF aerogels were prepared from Melamine(P) and Formaldehyde(F) by sol-gel and supercritical drying process. The structure and function of the MF aerogels were characterized by means of SEM, TEM, BET and XRD, and the results indicate that the MF aerog...
MF aerogels were prepared from Melamine(P) and Formaldehyde(F) by sol-gel and supercritical drying process. The structure and function of the MF aerogels were characterized by means of SEM, TEM, BET and XRD, and the results indicate that the MF aerog...
2006,
18.
Abstract:
Large ICF experiments require their physical diagnosis systems to be equipped with a sophisticated central control system, which makes sure the whole experiment would be safe and efficient. An integrated central control system framework for physical ...
Large ICF experiments require their physical diagnosis systems to be equipped with a sophisticated central control system, which makes sure the whole experiment would be safe and efficient. An integrated central control system framework for physical ...
2006,
18.
Abstract:
A theory model which describes the localized wavefront deformation of the optics elements is set up. The propagation regularity of the high-power plane-wave in the optics elements with localized wavefront deformation is investigated by linearization ...
A theory model which describes the localized wavefront deformation of the optics elements is set up. The propagation regularity of the high-power plane-wave in the optics elements with localized wavefront deformation is investigated by linearization ...
2006,
18.
Abstract:
High current linear induction accelerator(LIA) is a complicated experimental physics device. It is difficult to evaluate and predict its performance. This paper presents a method which combines wavelet packet transform and radial basis function(RBF) ...
High current linear induction accelerator(LIA) is a complicated experimental physics device. It is difficult to evaluate and predict its performance. This paper presents a method which combines wavelet packet transform and radial basis function(RBF) ...
2006,
18.
Abstract:
A photon beam position monitor signal processing system with logarithmic ratio method was designed for two-wire monitor in the machine diagnostic beamline(MDBL) at Hefei Light Source(HLS). A current-voltage converter was designed which is capable of ...
A photon beam position monitor signal processing system with logarithmic ratio method was designed for two-wire monitor in the machine diagnostic beamline(MDBL) at Hefei Light Source(HLS). A current-voltage converter was designed which is capable of ...
2006,
18.
Abstract:
Using molecular dynamics methods combined with two-step radiation heating model, a complete microscopic description of the dynamic progresses involved in laser induced back-surface spallation in metallic film in stress confinement regime is provided....
Using molecular dynamics methods combined with two-step radiation heating model, a complete microscopic description of the dynamic progresses involved in laser induced back-surface spallation in metallic film in stress confinement regime is provided....
2006,
18.
Abstract:
In order to detect the new spectral series of hydrogen gas discharge source bombarding target more integrated, the experiment of bombarding targets with known particles or beams, such as electron and X-ray was carried out. Under the condition of 45° ...
In order to detect the new spectral series of hydrogen gas discharge source bombarding target more integrated, the experiment of bombarding targets with known particles or beams, such as electron and X-ray was carried out. Under the condition of 45° ...
2006,
18.
Abstract:
In this paper, two kinds of photonic crystals are designed. One is the super narrow band optical filter, the other is the comb-shaped multi-channel optical filter. Based on the transfer matrix method, after inserting one layer of heterogeneous medium...
In this paper, two kinds of photonic crystals are designed. One is the super narrow band optical filter, the other is the comb-shaped multi-channel optical filter. Based on the transfer matrix method, after inserting one layer of heterogeneous medium...
2006,
18.
Abstract:
A numerical model of laser triggered SF6-N2 mixture switch is established on gas discharge physics. The photoionizations of SF6 and N2 are described by the double photon ionization model. The photoionization of hydrocarbon can be modeled as a three e...
A numerical model of laser triggered SF6-N2 mixture switch is established on gas discharge physics. The photoionizations of SF6 and N2 are described by the double photon ionization model. The photoionization of hydrocarbon can be modeled as a three e...
2006,
18.
Abstract:
A high power multi-pulse modulator was presented which could generate three pulses with adjustable interval on the field-emission diode. In the system, a pulse transformer was employed to upgrade the discharging voltage of three groups of capacitors ...
A high power multi-pulse modulator was presented which could generate three pulses with adjustable interval on the field-emission diode. In the system, a pulse transformer was employed to upgrade the discharging voltage of three groups of capacitors ...
2006,
18.
Abstract:
In order to study the physical nature of Explosive Magnetic Flux Compression Generator (EMFCG) of cylinder-taper configuration, a code MFCG(Ⅴ) was developed. A series of models have been calculated and analyzed by using this code. The computational r...
In order to study the physical nature of Explosive Magnetic Flux Compression Generator (EMFCG) of cylinder-taper configuration, a code MFCG(Ⅴ) was developed. A series of models have been calculated and analyzed by using this code. The computational r...