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RSS2007 Vol. 19, No. 11
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2007,
19.
Abstract:
The series connected circuit structure with synchronous drive technology, which is composed of 12 relatively independent pulse power supplies, is used in order to acquire 10 kV high voltage pulse. The design is modularized and different voltage outpu...
The series connected circuit structure with synchronous drive technology, which is composed of 12 relatively independent pulse power supplies, is used in order to acquire 10 kV high voltage pulse. The design is modularized and different voltage outpu...
2007,
19.
Abstract:
The characteristic resistances of the folded parts of Blumlein line were theoretically calculated by a method based on the unit capacitance and inductance concept, and were numerically calculated based on the equivalent energy. The results of these t...
The characteristic resistances of the folded parts of Blumlein line were theoretically calculated by a method based on the unit capacitance and inductance concept, and were numerically calculated based on the equivalent energy. The results of these t...
2007,
19.
Abstract:
The design and experimental results of the 22-stage 4 MV laser-triggered multi-channel switch are reported. The field distribution of the laser-triggered gap and the serial selfbreakdown gaps are symmetrical. The selfbreakdown gap is designed as an a...
The design and experimental results of the 22-stage 4 MV laser-triggered multi-channel switch are reported. The field distribution of the laser-triggered gap and the serial selfbreakdown gaps are symmetrical. The selfbreakdown gap is designed as an a...
2007,
19.
Abstract:
The principle of measuring night-time total atmospheric transmittance with the calibration method of Langley-plot is introduced. Accordingly, a measurement system consisting mainly of a telescope, an intensified CCD, and an imaging data acquiring car...
The principle of measuring night-time total atmospheric transmittance with the calibration method of Langley-plot is introduced. Accordingly, a measurement system consisting mainly of a telescope, an intensified CCD, and an imaging data acquiring car...
2007,
19.
Abstract:
A parameterized design method for secondary nozzle of hypersonic low temperature(HYLTE) nozzle of DF chemical laser was established in order to provide an available approach to optimize HYLTE nozzle. Four basic geometric parameters and two adjusting ...
A parameterized design method for secondary nozzle of hypersonic low temperature(HYLTE) nozzle of DF chemical laser was established in order to provide an available approach to optimize HYLTE nozzle. Four basic geometric parameters and two adjusting ...
2007,
19.
Abstract:
Based on the rate equation of electron generation, a simple model of evolution of conduction electron under short pulse laser irradiation is employed to predict the laser damage thresholds of SiO2. The rates of impact ionization and photoionization a...
Based on the rate equation of electron generation, a simple model of evolution of conduction electron under short pulse laser irradiation is employed to predict the laser damage thresholds of SiO2. The rates of impact ionization and photoionization a...
2007,
19.
Abstract:
In order to avoid the dynamic thermal-induced depolarization losses which relates to Brewster-angle scheme solid-state heat capacity laser, a laser with a V-shaped active-mirror configuration is developed and tested, using high-quality dichromatic co...
In order to avoid the dynamic thermal-induced depolarization losses which relates to Brewster-angle scheme solid-state heat capacity laser, a laser with a V-shaped active-mirror configuration is developed and tested, using high-quality dichromatic co...
2007,
19.
Abstract:
The mathematical model of coherent combination of super-Gaussian beams is established. When the interval of the coherent emitter arrays is 1 cm, the super-Gaussian order is 12, the beams intensity distribution of coherent combination is about 10 time...
The mathematical model of coherent combination of super-Gaussian beams is established. When the interval of the coherent emitter arrays is 1 cm, the super-Gaussian order is 12, the beams intensity distribution of coherent combination is about 10 time...
2007,
19.
Abstract:
Silicon-CCD is irradiated by 800 nm 100 fs pulsed laser, and the phenomena of saturation, cross-talk and totally damage are observed and corresponding thresholds versus repetitive frequency are measured. Particularly, a new damage phenomenon characte...
Silicon-CCD is irradiated by 800 nm 100 fs pulsed laser, and the phenomena of saturation, cross-talk and totally damage are observed and corresponding thresholds versus repetitive frequency are measured. Particularly, a new damage phenomenon characte...
2007,
19.
Abstract:
A metallic binary grating with two grooves per period, defined by different linewidths and the same depth, is applied to side-pumping high power fiber lasers for the first time. This kind of doubly grooved metallic grating can be fabricated directly...
A metallic binary grating with two grooves per period, defined by different linewidths and the same depth, is applied to side-pumping high power fiber lasers for the first time. This kind of doubly grooved metallic grating can be fabricated directly...
2007,
19.
Abstract:
The propagation property of 1+1 dimensional Gaussian optical beam is investigated in small lossy strongly nonlocal nonlinear media by means of variational method. The evolution equations of the parameters, the beam width evolution law and a critical ...
The propagation property of 1+1 dimensional Gaussian optical beam is investigated in small lossy strongly nonlocal nonlinear media by means of variational method. The evolution equations of the parameters, the beam width evolution law and a critical ...
2007,
19.
Abstract:
The model of fluorescence reabsorption calculation with Monte-Carlo method is proposed, and the fluorescence reabsorption effects of Yb3+:ZBLANP glass are analyzed for a range of sizes. The redshift in the observed fluorescence spectra caused by the ...
The model of fluorescence reabsorption calculation with Monte-Carlo method is proposed, and the fluorescence reabsorption effects of Yb3+:ZBLANP glass are analyzed for a range of sizes. The redshift in the observed fluorescence spectra caused by the ...
2007,
19.
Abstract:
Numerical simulation of chemical oxygen iodine laser (COIL) gases flows based on RADICL setup with vapor condensation was carried out, in which the materials and energy sources caused by vapor condensation were incorporated into our 3-D code, and the...
Numerical simulation of chemical oxygen iodine laser (COIL) gases flows based on RADICL setup with vapor condensation was carried out, in which the materials and energy sources caused by vapor condensation were incorporated into our 3-D code, and the...
2007,
19.
Abstract:
It is reported that the mode-locking starting is achieved more quicker by injecting pulses noise into figure-of-eight Yb3+-doped fiber laser. A detailed investigation about this phenomenon is presented in this paper. Analyzing the process of the mode...
It is reported that the mode-locking starting is achieved more quicker by injecting pulses noise into figure-of-eight Yb3+-doped fiber laser. A detailed investigation about this phenomenon is presented in this paper. Analyzing the process of the mode...
2007,
19.
Abstract:
To improve the performance of chemical oxygen-iodine laser(COIL) beam, a three-point dynamic collimation method is proposed, and a resonator auto-alignment system with auto-adjusting function is designed. The system uses position sensitive device(PSD...
To improve the performance of chemical oxygen-iodine laser(COIL) beam, a three-point dynamic collimation method is proposed, and a resonator auto-alignment system with auto-adjusting function is designed. The system uses position sensitive device(PSD...
2007,
19.
Abstract:
The flow field outside a moving object with high velocity has much influence on the object’s temperature and stress distribution under laser irradiation. The thermo-fluid-mechanical coupling of a moving cylinder with a subsonic velocity is considered...
The flow field outside a moving object with high velocity has much influence on the object’s temperature and stress distribution under laser irradiation. The thermo-fluid-mechanical coupling of a moving cylinder with a subsonic velocity is considered...
2007,
19.
Abstract:
The energy level structure, the spectrum characteristic and the laser emission characteristic of ytterbium ions were analyzed. A high power cladding-pumped ytterbium-doped fiber laser generating 61.6 W continuous-wave output power at 1.1 μm with 55% ...
The energy level structure, the spectrum characteristic and the laser emission characteristic of ytterbium ions were analyzed. A high power cladding-pumped ytterbium-doped fiber laser generating 61.6 W continuous-wave output power at 1.1 μm with 55% ...
2007,
19.
Abstract:
A time-space-resolved 1-D X-ray imaging system is developed to investigate the X-ray power distribution with one-dimensional space and continuous time resolution in Z-pinch experiments performed on Angara-5-1 facility. A slit relays the 1-D image of ...
A time-space-resolved 1-D X-ray imaging system is developed to investigate the X-ray power distribution with one-dimensional space and continuous time resolution in Z-pinch experiments performed on Angara-5-1 facility. A slit relays the 1-D image of ...
2007,
19.
Abstract:
The first, second and third order integral diffraction coefficients of TlAP crystal were calibrated at 4B7 X-ray source on Beijing synchrotron radiation facility with photon energy ranging from 2.1 keV to 6.0 keV. It is shown that the peak diffractio...
The first, second and third order integral diffraction coefficients of TlAP crystal were calibrated at 4B7 X-ray source on Beijing synchrotron radiation facility with photon energy ranging from 2.1 keV to 6.0 keV. It is shown that the peak diffractio...
2007,
19.
Abstract:
According to the laser conditions of the ninth beam of Shenguang-Ⅱ facility, the characteristics of the laser-driving shockwave propagation in Al-Au impedance-matching target were studied by JB code and multi-step technique, respectively. The experim...
According to the laser conditions of the ninth beam of Shenguang-Ⅱ facility, the characteristics of the laser-driving shockwave propagation in Al-Au impedance-matching target were studied by JB code and multi-step technique, respectively. The experim...
2007,
19.
Abstract:
Zr/C8H8 composite filters were made by free-standing Zr filters of DC magnetron sputtering covered by polystyrene (C8H8) films prepared with Dip master 200. Soft X-ray spectral transmittance of the filters was measured in the National Synchrotron Rad...
Zr/C8H8 composite filters were made by free-standing Zr filters of DC magnetron sputtering covered by polystyrene (C8H8) films prepared with Dip master 200. Soft X-ray spectral transmittance of the filters was measured in the National Synchrotron Rad...
2007,
19.
Abstract:
Based on the principle of spatial filter, the wavefront compensation capabilities of the continuous surface deformable mirror with discrete actuators were analyzed. As a high-pass spatial filter, the relationships between the filter function and the ...
Based on the principle of spatial filter, the wavefront compensation capabilities of the continuous surface deformable mirror with discrete actuators were analyzed. As a high-pass spatial filter, the relationships between the filter function and the ...
2007,
19.
Abstract:
The monolayer zirconia PVD and sol-gel films deposited on K9 glass substrates were prepared with electron beam evaporation method and spin method respectively. Both the films have similar optical thickness. The laser-induced damage threshold (LIDT) o...
The monolayer zirconia PVD and sol-gel films deposited on K9 glass substrates were prepared with electron beam evaporation method and spin method respectively. Both the films have similar optical thickness. The laser-induced damage threshold (LIDT) o...
2007,
19.
Abstract:
α-C:H thin films were deposited by low-pressure plasma enhanced chemical vapor deposition(LPPCVD) with H2 and Trans-2-butene as source gases. Atomic force microscope and scanning electron microscope images demonstrated the surface morphology of the f...
α-C:H thin films were deposited by low-pressure plasma enhanced chemical vapor deposition(LPPCVD) with H2 and Trans-2-butene as source gases. Atomic force microscope and scanning electron microscope images demonstrated the surface morphology of the f...
2007,
19.
Abstract:
The post-processed technique is a basic method for analyzing X-ray imaging. With the solution of radiation transfer equation of local thermal equation in stationary state and ray tracing method, a post-processed program for X-ray imaging was accompli...
The post-processed technique is a basic method for analyzing X-ray imaging. With the solution of radiation transfer equation of local thermal equation in stationary state and ray tracing method, a post-processed program for X-ray imaging was accompli...
2007,
19.
Abstract:
A ladder cathode S band magnetically insulated transmission line oscillator(MILO) that operates at 2.10 GHz is designed. Proper structure parameters are chosen based on the discussion of dispersion characteristics. The resonant frequency and loaded q...
A ladder cathode S band magnetically insulated transmission line oscillator(MILO) that operates at 2.10 GHz is designed. Proper structure parameters are chosen based on the discussion of dispersion characteristics. The resonant frequency and loaded q...
2007,
19.
Abstract:
With the urgent need of high power sources, a design method for power combiner of X-band high power klystron based on microwave theory and EBMA(extended boundary condition modal analysis) is presented in this paper. Power combiner can combine the inp...
With the urgent need of high power sources, a design method for power combiner of X-band high power klystron based on microwave theory and EBMA(extended boundary condition modal analysis) is presented in this paper. Power combiner can combine the inp...
2007,
19.
Abstract:
A helical rectangular array antenna of 4-element using L-shaped coupled probes is put forward, which is helical rectangular array antenna fed from radial waveguide and can be used to realized the directional rediation of microwave. Theoretical analys...
A helical rectangular array antenna of 4-element using L-shaped coupled probes is put forward, which is helical rectangular array antenna fed from radial waveguide and can be used to realized the directional rediation of microwave. Theoretical analys...
2007,
19.
Abstract:
This paper discusses the ultra-wide spectrum high power microwave(UWS-HPM) radiation effects, coupling approach, action mechanism and protection methods of specified radio fuze. Radiation experiment has been done on multi-pose fuze using UWS-HPM gene...
This paper discusses the ultra-wide spectrum high power microwave(UWS-HPM) radiation effects, coupling approach, action mechanism and protection methods of specified radio fuze. Radiation experiment has been done on multi-pose fuze using UWS-HPM gene...
2007,
19.
Abstract:
The coupling effects of HPM to slots with different size were tested and the general coupling characteristics were obtained. The results indicate that the coupling of narrower slots have stronger polarized of electric field. When the lengths of the s...
The coupling effects of HPM to slots with different size were tested and the general coupling characteristics were obtained. The results indicate that the coupling of narrower slots have stronger polarized of electric field. When the lengths of the s...
2007,
19.
Abstract:
To extend microwave heating applications, researches of microwave deicing have been done. The rectangular horn antennas were designed to match the load of asphalt admixtures, to improve the heated areas and decline unheated areas effectively. Horns a...
To extend microwave heating applications, researches of microwave deicing have been done. The rectangular horn antennas were designed to match the load of asphalt admixtures, to improve the heated areas and decline unheated areas effectively. Horns a...
2007,
19.
Abstract:
This paper presents an improved Schottky barrier diode model, develops a computational program in which the Rung-Kutta method with 4-order accuracy and the iterative method are used, and obtains the graphics of the conversion efficiency. With the sam...
This paper presents an improved Schottky barrier diode model, develops a computational program in which the Rung-Kutta method with 4-order accuracy and the iterative method are used, and obtains the graphics of the conversion efficiency. With the sam...
2007,
19.
Abstract:
In this paper the coupling impedance of circular comb slow wave structure is investigated in detail. Some problems in the computer simulation for interaction impedance are investigated, and a new method for the calculation of interaction impedance is...
In this paper the coupling impedance of circular comb slow wave structure is investigated in detail. Some problems in the computer simulation for interaction impedance are investigated, and a new method for the calculation of interaction impedance is...
2007,
19.
Abstract:
A terminal voltage control system with a generating voltmeter for electrostatic accelerator was developed. The circuit of the system was designed and made, which mainly consists of a notch filter, a band filter, an error amplifier and a corona contro...
A terminal voltage control system with a generating voltmeter for electrostatic accelerator was developed. The circuit of the system was designed and made, which mainly consists of a notch filter, a band filter, an error amplifier and a corona contro...
2007,
19.
Abstract:
The paper describes optical diagnosis result of 100 μm FEL spontaneous radiation and stimulated radiation experiment based on RF-linac running and briefly introduces 100 μm FEL optic-resonator collimation system. Wavelength spectrum, power energy and...
The paper describes optical diagnosis result of 100 μm FEL spontaneous radiation and stimulated radiation experiment based on RF-linac running and briefly introduces 100 μm FEL optic-resonator collimation system. Wavelength spectrum, power energy and...
2007,
19.
Abstract:
Many personal factors would influence the result of the focus measurement of linear accelerator using the conventional sandwich method. This paper presents a modified method which applies a film scanning meter to scan the X-ray image film got by sand...
Many personal factors would influence the result of the focus measurement of linear accelerator using the conventional sandwich method. This paper presents a modified method which applies a film scanning meter to scan the X-ray image film got by sand...
2007,
19.
Abstract:
Catalyst particles with narrow size distribution were prepared on glass substrate by spin coating method. The surface morphologies of the films were controlled by varying the angular velocity, circumrotate time, and deoxidized temperature. By optimiz...
Catalyst particles with narrow size distribution were prepared on glass substrate by spin coating method. The surface morphologies of the films were controlled by varying the angular velocity, circumrotate time, and deoxidized temperature. By optimiz...
2007,
19.
Abstract:
Based on the CAS-LIBB facility, the first single ion microbeam of China, this paper discusses the technology and characteristics of two typical single ion microbeam facilities. One is the collimation type which is simpler in structure but lower in pr...
Based on the CAS-LIBB facility, the first single ion microbeam of China, this paper discusses the technology and characteristics of two typical single ion microbeam facilities. One is the collimation type which is simpler in structure but lower in pr...
2007,
19.
Abstract:
Zn ions of dose 1×1017 cm-2 were implanted at 56 keV into ZnO films deposited by sol-gel process. After ion implantation, the as-implanted sample was annealed in argon ambient at different temperatures from 500~900 ℃. The effects of ion implantation ...
Zn ions of dose 1×1017 cm-2 were implanted at 56 keV into ZnO films deposited by sol-gel process. After ion implantation, the as-implanted sample was annealed in argon ambient at different temperatures from 500~900 ℃. The effects of ion implantation ...
