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RSS2004 Vol. 16, No. 01
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2004,
16.
Abstract:
With the help of wave theory of light, the effect of hole grating gradient on farfield is analyzed by numerical calculation in this paper. The results show that the systemic error of measurement of intensity(power, beam quality, etc. ) of farfield ...
With the help of wave theory of light, the effect of hole grating gradient on farfield is analyzed by numerical calculation in this paper. The results show that the systemic error of measurement of intensity(power, beam quality, etc. ) of farfield ...
2004,
16.
Abstract:
For some optical films, laser conditioning is an effective way to improve their damage threshold. The one of popular theoretical model for laser conditioning mechanism is the defectseliminated model. In this paper, the influence of laser conditionin...
For some optical films, laser conditioning is an effective way to improve their damage threshold. The one of popular theoretical model for laser conditioning mechanism is the defectseliminated model. In this paper, the influence of laser conditionin...
2004,
16.
Abstract:
The coupled wave theory of nonlinear optics is adopted to establish twodimensional theoretical model of seeded、narrowband pumped transverse SBS. The numerical investigation of steadystate situation is offered and the planar distribution of scatteri...
The coupled wave theory of nonlinear optics is adopted to establish twodimensional theoretical model of seeded、narrowband pumped transverse SBS. The numerical investigation of steadystate situation is offered and the planar distribution of scatteri...
2004,
16.
Abstract:
The broadband USED CARS measurements of temperature and N2 concentration in the combustion of solid propellant at atmospheric pressure are reported. The singlepulse N2 CARS spectra have been obtained from solid propellant combustion. The CARS data ...
The broadband USED CARS measurements of temperature and N2 concentration in the combustion of solid propellant at atmospheric pressure are reported. The singlepulse N2 CARS spectra have been obtained from solid propellant combustion. The CARS data ...
2004,
16.
Abstract:
In this paper, taking into account both the selfphasemodulation (SPM) and the lowest and second order group velocity dispersion (GVD), the propagation equations of ultrashort pulses is given through numerical analysis. The influence of input inten...
In this paper, taking into account both the selfphasemodulation (SPM) and the lowest and second order group velocity dispersion (GVD), the propagation equations of ultrashort pulses is given through numerical analysis. The influence of input inten...
2004,
16.
Abstract:
In this paper, the experimental results that detector system of three PC HgCdTe units is destroyed by 3.8μm laser are reported and analyzed qualitatively. Researches indicate that components of detector system which are Ge window, filter and detector...
In this paper, the experimental results that detector system of three PC HgCdTe units is destroyed by 3.8μm laser are reported and analyzed qualitatively. Researches indicate that components of detector system which are Ge window, filter and detector...
2004,
16.
Abstract:
The principle of atmospheric coherence length measurement via differential image motion measure of the optical wave's angleofarrival fluctuation is introduced. An instrument for the measurement of atmospheric coherence length both in the daytime an...
The principle of atmospheric coherence length measurement via differential image motion measure of the optical wave's angleofarrival fluctuation is introduced. An instrument for the measurement of atmospheric coherence length both in the daytime an...
2004,
16.
Abstract:
In order to test Xray laser (XRL) series programs, simulations of some experiments of Nelike Ge XRL were completed, including domestic experiments driven with longpulse (1ns) and international experiments driven with multiple-pulse. In the case of...
In order to test Xray laser (XRL) series programs, simulations of some experiments of Nelike Ge XRL were completed, including domestic experiments driven with longpulse (1ns) and international experiments driven with multiple-pulse. In the case of...
2004,
16.
Abstract:
A sol containing SiO2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane (TEOS) through sol-gel process. A solution containing double-chain polymer of methyltriethoxysilane (MTES) was also prepared under...
A sol containing SiO2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane (TEOS) through sol-gel process. A solution containing double-chain polymer of methyltriethoxysilane (MTES) was also prepared under...
2004,
16.
Abstract:
The characters of sapphire, especially its birefringence, are investigated. The antireflection films(AR) on sapphire are designed and prepared. The film's properties, such as wavefront, morphology, are measured and analyzed. A laser heat distortion ...
The characters of sapphire, especially its birefringence, are investigated. The antireflection films(AR) on sapphire are designed and prepared. The film's properties, such as wavefront, morphology, are measured and analyzed. A laser heat distortion ...
2004,
16.
Abstract:
The relation between the angle of off-axis-light and the depolarization loss has been calculated under different incidence of polarization. The results show when the thickness of crystal was settled, the depolarization loss is directly proportional t...
The relation between the angle of off-axis-light and the depolarization loss has been calculated under different incidence of polarization. The results show when the thickness of crystal was settled, the depolarization loss is directly proportional t...
2004,
16.
Abstract:
Timeresolved and timeintegrated stimulated Raman scattering (SRS) spectra from gold hohlraum irradiated with 351nm laser light are measured. The experimental results are inconsistent with the prediction of the convective SRS theory and enhanced inc...
Timeresolved and timeintegrated stimulated Raman scattering (SRS) spectra from gold hohlraum irradiated with 351nm laser light are measured. The experimental results are inconsistent with the prediction of the convective SRS theory and enhanced inc...
2004,
16.
Abstract:
This paper experimentally studies the coupling coefficient of microwaves into apertures with different shapes and sizes. The apertures used in the experiment mainly include elliptic aperture, circle, square loop, crossed rectangular slots, circular a...
This paper experimentally studies the coupling coefficient of microwaves into apertures with different shapes and sizes. The apertures used in the experiment mainly include elliptic aperture, circle, square loop, crossed rectangular slots, circular a...
2004,
16.
Abstract:
The experiment of mass jet distribution in gas spark gaps was carried out under microsecond hundred-kiloampere current pulse. Four kinds of electrode materials were studied in experiment. The results show that the direction of mass jet is independent...
The experiment of mass jet distribution in gas spark gaps was carried out under microsecond hundred-kiloampere current pulse. Four kinds of electrode materials were studied in experiment. The results show that the direction of mass jet is independent...
2004,
16.
Abstract:
To meet the requirements of the Beijing electron positron linear accelerator upgrading, the studies on beam optics and orbit correction calculation are carried out. A program for beam optics and orbit correction calculation is developed. By means of ...
To meet the requirements of the Beijing electron positron linear accelerator upgrading, the studies on beam optics and orbit correction calculation are carried out. A program for beam optics and orbit correction calculation is developed. By means of ...
2004,
16.
Abstract:
The button electrode is one that widely used in high energy accelerators, such as storage ring, and the button electrode has many merit like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cos...
The button electrode is one that widely used in high energy accelerators, such as storage ring, and the button electrode has many merit like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cos...
2004,
16.
Abstract:
Transmission electron microscopy (TEM) was utilized to characterize the damage structure and the formation of Xe bubbles in 200 keV Xe+ implanted yttria-stabilized zirconia (YSZ) single crystals with different fluences. TEM analysis results showed th...
Transmission electron microscopy (TEM) was utilized to characterize the damage structure and the formation of Xe bubbles in 200 keV Xe+ implanted yttria-stabilized zirconia (YSZ) single crystals with different fluences. TEM analysis results showed th...
2004,
16.
Abstract:
A detailed discussion is carried out on some basic problems related with the coupling loop of radio frequency quadrupole with intense beams. A preliminary design of the coupling loop is given. By making use of some results got from the simulations on...
A detailed discussion is carried out on some basic problems related with the coupling loop of radio frequency quadrupole with intense beams. A preliminary design of the coupling loop is given. By making use of some results got from the simulations on...
2004,
16.
Abstract:
In this paper, the beam loading effect of RF system and the conditions of Robinson instability are analyzed in detail. By the study of the injection beam intensity limit dependent on detune angle and visible detune angle, it is found that the storage...
In this paper, the beam loading effect of RF system and the conditions of Robinson instability are analyzed in detail. By the study of the injection beam intensity limit dependent on detune angle and visible detune angle, it is found that the storage...
2004,
16.
Abstract:
This paper introduces the turnbyturn system of Hefei Light Source (HLS), and presents the analysis of the experiment results, as well as its application in commission of upgraded injection system of HLS. The signal processor of the system adopts a ...
This paper introduces the turnbyturn system of Hefei Light Source (HLS), and presents the analysis of the experiment results, as well as its application in commission of upgraded injection system of HLS. The signal processor of the system adopts a ...
2004,
16.
Abstract:
The stochastic momentum cooling with a notch filter that will be built on HIRFL-CSRm is described and formulated with Fokker-Planck equation. The square of the standard deviation of energy error and the initial cooling time are obtained. This provide...
The stochastic momentum cooling with a notch filter that will be built on HIRFL-CSRm is described and formulated with Fokker-Planck equation. The square of the standard deviation of energy error and the initial cooling time are obtained. This provide...
2004,
16.
Abstract:
A MachZehnder interferometer was developed for studying the plasma implosion in zpinch. The experiment with the interferometer was conducted on a small gaspuff Zpinch device and clear interferograms were obtained. By counting the fringe shift on ...
A MachZehnder interferometer was developed for studying the plasma implosion in zpinch. The experiment with the interferometer was conducted on a small gaspuff Zpinch device and clear interferograms were obtained. By counting the fringe shift on ...
2004,
16.
Abstract:
The standard pure permanent magnet (PPM) undulator has been analyzed by 3-dimensional electromagnetic computation software, the Modeller in Opera3D. The amplitude and phase angle of fundamental and harmonic induction fields in it are given for differ...
The standard pure permanent magnet (PPM) undulator has been analyzed by 3-dimensional electromagnetic computation software, the Modeller in Opera3D. The amplitude and phase angle of fundamental and harmonic induction fields in it are given for differ...
2004,
16.
Abstract:
HLS (Hefei light source) is a dedicated synchrotron radiation light source, where charged beam with low energy is injected and accumulated in the ring, and then the beam is synchronously accelerated to high energy and circulates in storage ring. Duri...
HLS (Hefei light source) is a dedicated synchrotron radiation light source, where charged beam with low energy is injected and accumulated in the ring, and then the beam is synchronously accelerated to high energy and circulates in storage ring. Duri...
2004,
16.
Abstract:
The equilibrium and stability properties of foil-focused electron beam in terms of its envelope equation is studied.Results are as follows:(1) The parameters of the electron beam, the radius of the waveguide tube and the distance between foils must o...
The equilibrium and stability properties of foil-focused electron beam in terms of its envelope equation is studied.Results are as follows:(1) The parameters of the electron beam, the radius of the waveguide tube and the distance between foils must o...
2004,
16.
Abstract:
HEMP coupling tests of the cable near ground were conducted. The relations of inducing skin current of shielding layer, core voltage and core current with the environment field were obtained. The change of shield layer current wave with grounding sta...
HEMP coupling tests of the cable near ground were conducted. The relations of inducing skin current of shielding layer, core voltage and core current with the environment field were obtained. The change of shield layer current wave with grounding sta...
2004,
16.
Abstract:
The paper introduces a virtual cathode oscillator (vircator) with quasioptical resonator. The resonator offers selfconsistent feedback and modechoosing mechanisms. It serves the purpose of enhancing the transform efficiency, shortening the saturat...
The paper introduces a virtual cathode oscillator (vircator) with quasioptical resonator. The resonator offers selfconsistent feedback and modechoosing mechanisms. It serves the purpose of enhancing the transform efficiency, shortening the saturat...
2004,
16.
Abstract:
A measurement system on power density of high power microwave radiation is presented. The system is based on peak detecting diode, waveguide system, and power decrease structure. The system is focused on lowerror and the stability of structure. Cali...
A measurement system on power density of high power microwave radiation is presented. The system is based on peak detecting diode, waveguide system, and power decrease structure. The system is focused on lowerror and the stability of structure. Cali...
2004,
16.
Abstract:
A fully three-dimensional (3-D) of an electron beam optical model focused by a periodic permanent magnet (PPM) stack has been developed using 3-D particle-in-cell (PIC) code of MAFIA, the static magnetic field and electron beam transmission character...
A fully three-dimensional (3-D) of an electron beam optical model focused by a periodic permanent magnet (PPM) stack has been developed using 3-D particle-in-cell (PIC) code of MAFIA, the static magnetic field and electron beam transmission character...
2004,
16.
Abstract:
On the way of pursuing the high Q value microwave resonant cavity, people are familiar with the property and producing technology of low temperature superconducting resonance cavity (Nb cavity), but aren't completed with producing high Q superconduct...
On the way of pursuing the high Q value microwave resonant cavity, people are familiar with the property and producing technology of low temperature superconducting resonance cavity (Nb cavity), but aren't completed with producing high Q superconduct...
2004,
16.
Abstract:
A high power and alterable frequency axial acceletron is studied in this paper. By adding the middle cavity, the RF at the cathode surface is increased and the current modulation coefficient is enhanced, the first order current modulation coefficient...
A high power and alterable frequency axial acceletron is studied in this paper. By adding the middle cavity, the RF at the cathode surface is increased and the current modulation coefficient is enhanced, the first order current modulation coefficient...
2004,
16.
Abstract:
The interaction between an ultrashort ultraintense laser pulse and a solid target with a low density preplasma is examined. Both linear and circular polarizations of the laser are considered. The electrons in the preplasma are accelerated by the ...
The interaction between an ultrashort ultraintense laser pulse and a solid target with a low density preplasma is examined. Both linear and circular polarizations of the laser are considered. The electrons in the preplasma are accelerated by the ...
2004,
16.
Abstract:
The propagation of ultrashort pulsed Bessel beams in free space within and beyond the paraxial approximation is studied. It is shown that the nonparaxial effect does not affect their spatial pulse profile, which retains the Bessel shape unchanged up...
The propagation of ultrashort pulsed Bessel beams in free space within and beyond the paraxial approximation is studied. It is shown that the nonparaxial effect does not affect their spatial pulse profile, which retains the Bessel shape unchanged up...
