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RSS2005 Vol. 17, No. 10
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2005,
17.
Abstract:
A CW LD end pumped high pulsed repetition rate (PRF) Tm,Ho:YLF laser was reported. The fiber-coupled laser diode of 792 nm as a pumping source pumped the liquid-nitrogen-cooled Tm,Ho:YLF crystal. The average output power of 4 W was obtained and extra...
A CW LD end pumped high pulsed repetition rate (PRF) Tm,Ho:YLF laser was reported. The fiber-coupled laser diode of 792 nm as a pumping source pumped the liquid-nitrogen-cooled Tm,Ho:YLF crystal. The average output power of 4 W was obtained and extra...
2005,
17.
Abstract:
After introducing the low-phonon energy oxide——TeO2 into the fluoroaluminate glass, a new oxyfluoride glass was obtained with better vitrification ability. Some physical properties were measured of the new glass with different TeO2 content(such as ch...
After introducing the low-phonon energy oxide——TeO2 into the fluoroaluminate glass, a new oxyfluoride glass was obtained with better vitrification ability. Some physical properties were measured of the new glass with different TeO2 content(such as ch...
2005,
17.
Abstract:
The jet singlet oxygen generator (JSOG) is an efficient energy donor for a chemical oxygen-iodine laser (COIL). Using the trial-solution method under specific boundary conditions, the diffusion equations were derived of chlorine, singlet oxygen, and ...
The jet singlet oxygen generator (JSOG) is an efficient energy donor for a chemical oxygen-iodine laser (COIL). Using the trial-solution method under specific boundary conditions, the diffusion equations were derived of chlorine, singlet oxygen, and ...
2005,
17.
Abstract:
The expressions of the first- to fourth-order dispersion change were derived when there was a small angle between the two gratings in the plane perpendicular to the grooves (diffracting plane). The field distribution of a pulsed super-Gaussian beam p...
The expressions of the first- to fourth-order dispersion change were derived when there was a small angle between the two gratings in the plane perpendicular to the grooves (diffracting plane). The field distribution of a pulsed super-Gaussian beam p...
2005,
17.
Abstract:
The properties of nonlinear frequency conversion in a new deep ultraviolet sum-frequency crystal CLBO were discussed. The data for sum-frequency CLBO crystal generating 193 nm laser of phase-matching angle, effective nonlinear coefficient, walk-off a...
The properties of nonlinear frequency conversion in a new deep ultraviolet sum-frequency crystal CLBO were discussed. The data for sum-frequency CLBO crystal generating 193 nm laser of phase-matching angle, effective nonlinear coefficient, walk-off a...
2005,
17.
Abstract:
The concept of vectorial nonparaxial cosh-Gaussian (ChG) beams is introduced and their free-space propagation equation is derived analytically by using the vectorial Rayleigh-Sommerfeld diffraction integrals. The on-axis and far-field expressions of ...
The concept of vectorial nonparaxial cosh-Gaussian (ChG) beams is introduced and their free-space propagation equation is derived analytically by using the vectorial Rayleigh-Sommerfeld diffraction integrals. The on-axis and far-field expressions of ...
2005,
17.
Abstract:
Self phase modulation (SPM) plays an important role on the compressed pulse in chirped pulse amplification lasers systems. The influences of the SPM with amplitude modulations and phase perturbations on the compressed pulse is simulated. The simulati...
Self phase modulation (SPM) plays an important role on the compressed pulse in chirped pulse amplification lasers systems. The influences of the SPM with amplitude modulations and phase perturbations on the compressed pulse is simulated. The simulati...
2005,
17.
Abstract:
Using the propagation-circle and transform-circle graphic analysis, cavities with different configurations were analyzed and compared and a self-mode-locked cavity, a nearly symmetrical four-mirror cavity was obtained, which was more stable and easy ...
Using the propagation-circle and transform-circle graphic analysis, cavities with different configurations were analyzed and compared and a self-mode-locked cavity, a nearly symmetrical four-mirror cavity was obtained, which was more stable and easy ...
2005,
17.
Abstract:
Arithmetic of two-dimensional power spectral density (2-D PSD) of large optics wavefront was briefly described and PSD collapse was introduced to evaluate the intermediate frequency error property of wavefront. As the PSD collapse is radon transform ...
Arithmetic of two-dimensional power spectral density (2-D PSD) of large optics wavefront was briefly described and PSD collapse was introduced to evaluate the intermediate frequency error property of wavefront. As the PSD collapse is radon transform ...
2005,
17.
Abstract:
The SONY ICX055BL visible-light CCD was irradiated by 1 064 nm pulsed laser with the width of 5 ms. In the experiments the video signal was recorded by PC image acquisition card, at the same time the output of ICX055BL was recorded by oscillograph. T...
The SONY ICX055BL visible-light CCD was irradiated by 1 064 nm pulsed laser with the width of 5 ms. In the experiments the video signal was recorded by PC image acquisition card, at the same time the output of ICX055BL was recorded by oscillograph. T...
2005,
17.
Abstract:
In this paper the simulation of the influence of initially filled Ar density on the plasma conditions and the gain coefficient of 3p-3s transition of Ne-like Ar ions in capillary discharge pumped soft X-ray laser is presented. The parameters of disch...
In this paper the simulation of the influence of initially filled Ar density on the plasma conditions and the gain coefficient of 3p-3s transition of Ne-like Ar ions in capillary discharge pumped soft X-ray laser is presented. The parameters of disch...
2005,
17.
Abstract:
Based on radiative transfer equation, using the experiential formulae of air mass and atmospheric aerosol optical depth and atmospheric molecule parameters obtained by HITRAN database, an approximate algorithm for clear sky spectral luminance was giv...
Based on radiative transfer equation, using the experiential formulae of air mass and atmospheric aerosol optical depth and atmospheric molecule parameters obtained by HITRAN database, an approximate algorithm for clear sky spectral luminance was giv...
2005,
17.
Abstract:
The principle is as follows: Supposing the inner scale has a specific value, the refractive-index structure parameters are equal for different wavelengths, which is based on the optical-propagation theory using the modified Hill spectrum with the inn...
The principle is as follows: Supposing the inner scale has a specific value, the refractive-index structure parameters are equal for different wavelengths, which is based on the optical-propagation theory using the modified Hill spectrum with the inn...
2005,
17.
Abstract:
A 250 μJ, 500 fs ultra-short laser pulse was used to radiate linear array CCD detector. The whole responding from linear, saturation, cross talk and totally damaged was observed. Theoretical analyses were made to explain the damage mechanism. The exp...
A 250 μJ, 500 fs ultra-short laser pulse was used to radiate linear array CCD detector. The whole responding from linear, saturation, cross talk and totally damaged was observed. Theoretical analyses were made to explain the damage mechanism. The exp...
2005,
17.
Abstract:
Ultra-thin freestanding polyimide(PI) films of 100 nm thickness were formed by sequential evaporation of 4,4'-diaminodiphenyl ether(ODA) and pyromellitic dianhydride(PMDA) precursor monomers followed by a thermal treatment of 150 ℃ 1 h and 350 ℃ 2 h....
Ultra-thin freestanding polyimide(PI) films of 100 nm thickness were formed by sequential evaporation of 4,4'-diaminodiphenyl ether(ODA) and pyromellitic dianhydride(PMDA) precursor monomers followed by a thermal treatment of 150 ℃ 1 h and 350 ℃ 2 h....
2005,
17.
Abstract:
The hydrogen plasma was excited by using the technology of helicon-wave plasma chemical vapor deposition (HWP-CVD). The characteristics of the plasma were investigated by using the vacuum ultraviolet-visible emission spectroscopy. The influence of ex...
The hydrogen plasma was excited by using the technology of helicon-wave plasma chemical vapor deposition (HWP-CVD). The characteristics of the plasma were investigated by using the vacuum ultraviolet-visible emission spectroscopy. The influence of ex...
2005,
17.
Abstract:
Several evaporation sources, including the plane and spherical source, and their influence on film uniformity were studied. It is found that when the ratio between the radius of the source surface and the height of the substrate is less than 1/17, th...
Several evaporation sources, including the plane and spherical source, and their influence on film uniformity were studied. It is found that when the ratio between the radius of the source surface and the height of the substrate is less than 1/17, th...
2005,
17.
Abstract:
Z-pinch experiments have demonstrated that the X-ray power increases 40% with a nested-wire array compared with that with a single-layered wire array. The design of the nested-wire array on Z accelerator is studied through the implosion dynamics and ...
Z-pinch experiments have demonstrated that the X-ray power increases 40% with a nested-wire array compared with that with a single-layered wire array. The design of the nested-wire array on Z accelerator is studied through the implosion dynamics and ...
2005,
17.
Abstract:
The formation energies and concentrations at room temperature of various neutral native point defects in KDP crystals were studied using first-principles theory. The calculation results show that Hi may be the dominant point defect at room temperatur...
The formation energies and concentrations at room temperature of various neutral native point defects in KDP crystals were studied using first-principles theory. The calculation results show that Hi may be the dominant point defect at room temperatur...
2005,
17.
Abstract:
In accordance with the built-up structure of the main amplifier in technical integration experiment line (TIL), the effects of the injected energy, amplifier gain and transmission on the output energy stability were calculated. Experimental results s...
In accordance with the built-up structure of the main amplifier in technical integration experiment line (TIL), the effects of the injected energy, amplifier gain and transmission on the output energy stability were calculated. Experimental results s...
2005,
17.
Abstract:
The preparation of cone-shell target used in fast ignition experiment was investigated. Polystyrene(PS) microshells with less wall thickness and diameter distribution were prepared with monodisperse PS. The dependence of the quality of Au cone on the...
The preparation of cone-shell target used in fast ignition experiment was investigated. Polystyrene(PS) microshells with less wall thickness and diameter distribution were prepared with monodisperse PS. The dependence of the quality of Au cone on the...
2005,
17.
Abstract:
The preliminary research results for the effect of cathode and anode plasma motion on current characteristics of the pinch ion diode on FLASH Ⅱ accelerator are reported. The structure and principle of pinch reflex ion beam diode are introduced. The t...
The preliminary research results for the effect of cathode and anode plasma motion on current characteristics of the pinch ion diode on FLASH Ⅱ accelerator are reported. The structure and principle of pinch reflex ion beam diode are introduced. The t...
2005,
17.
Abstract:
Setup of survey control network for CSR and method of data analysis were described. Bundle’s principle and arithmetic of program was explained in detail. Junior control network was set up by Total Station firstly, computation which was densified to f...
Setup of survey control network for CSR and method of data analysis were described. Bundle’s principle and arithmetic of program was explained in detail. Junior control network was set up by Total Station firstly, computation which was densified to f...
2005,
17.
Abstract:
Design of end magnetic structures for a hybrid undulator is very complicated. In this article, magnetic field calculation was carried out using the "Radia" code, aimed to optimize the end magnetic structures for the Shanghai DUV-FEL hybrid undulator ...
Design of end magnetic structures for a hybrid undulator is very complicated. In this article, magnetic field calculation was carried out using the "Radia" code, aimed to optimize the end magnetic structures for the Shanghai DUV-FEL hybrid undulator ...
2005,
17.
Abstract:
A MonteCarlo program MCNP is used to simulate the energy deposition of high energy flux pulse electron beam in the target material. According to the simulation results and the size and the character of the hole on the tantalum target by electron bea...
A MonteCarlo program MCNP is used to simulate the energy deposition of high energy flux pulse electron beam in the target material. According to the simulation results and the size and the character of the hole on the tantalum target by electron bea...
2005,
17.
Abstract:
Axial insulation structure was optimized to reduce potential gradient in DC high-voltage accelerating tubes of 500 mA. At first, both principle of surface flashover and axial insulation structure of accelerating tubes were analyzed. Then, it was foun...
Axial insulation structure was optimized to reduce potential gradient in DC high-voltage accelerating tubes of 500 mA. At first, both principle of surface flashover and axial insulation structure of accelerating tubes were analyzed. Then, it was foun...
Performance of plasma opening switch with different driven-current and geometric scale of electrodes
2005,
17.
Abstract:
The plasma opening switch (POS) performance was investigated with different driven current and different POS cathode diameters (f20 mm and f40 mm). The results show that the rise time of the load current decreases and the voltage multiplication facto...
The plasma opening switch (POS) performance was investigated with different driven current and different POS cathode diameters (f20 mm and f40 mm). The results show that the rise time of the load current decreases and the voltage multiplication facto...
2005,
17.
Abstract:
In order to synchronize the extracted ion beam from the Sector Focusing Cyclotron (SFC) with the accelerating RF phase of the Separated Sector Cyclotron (SSC), a new beam buncher is designed in IMP. This paper is mainly devoted to a automatic frequen...
In order to synchronize the extracted ion beam from the Sector Focusing Cyclotron (SFC) with the accelerating RF phase of the Separated Sector Cyclotron (SSC), a new beam buncher is designed in IMP. This paper is mainly devoted to a automatic frequen...
2005,
17.
Abstract:
The ferroelectric cathode material is a new kind of functional material. A new electron emission phenomena was observed by chance. With the increase of emission times, the piezoelectric coefficient decreased to zero firstly and then gradually approac...
The ferroelectric cathode material is a new kind of functional material. A new electron emission phenomena was observed by chance. With the increase of emission times, the piezoelectric coefficient decreased to zero firstly and then gradually approac...
2005,
17.
Abstract:
The requirement for truncating the open boundary of waveguide used in the simulation of high power microwave (HPM) sources was discussed. The characteristics of different types of perfectly matched layer (PML) was analyzed, and the convolutional PML ...
The requirement for truncating the open boundary of waveguide used in the simulation of high power microwave (HPM) sources was discussed. The characteristics of different types of perfectly matched layer (PML) was analyzed, and the convolutional PML ...
2005,
17.
Abstract:
Based on the transmission line model, this paper proposes a method that integrates the lightning return stroke channel, the earth and the overhead lines together for calculating the lightning-induced voltages on overhead lines. The finite-difference ...
Based on the transmission line model, this paper proposes a method that integrates the lightning return stroke channel, the earth and the overhead lines together for calculating the lightning-induced voltages on overhead lines. The finite-difference ...
2005,
17.
Abstract:
Modulator cavity of multi-cavity Gyroklystron transforms the TE411 mode in out cavity to TE011 mode in inner resonant cavity through 4 slots. TE011 mode is used to modulate the transverse velocity of gyroelectron beam. In this paper, an analysis of c...
Modulator cavity of multi-cavity Gyroklystron transforms the TE411 mode in out cavity to TE011 mode in inner resonant cavity through 4 slots. TE011 mode is used to modulate the transverse velocity of gyroelectron beam. In this paper, an analysis of c...
2005,
17.
Abstract:
A theoretical research was developed for relativistic backward wave oscillators (RBWO) composed of a thin annular electron beam guided by a strong magnetic field through a slow wave structure (SWS) consisting of a cylindrical waveguide with a sinusoi...
A theoretical research was developed for relativistic backward wave oscillators (RBWO) composed of a thin annular electron beam guided by a strong magnetic field through a slow wave structure (SWS) consisting of a cylindrical waveguide with a sinusoi...
2005,
17.
Abstract:
In this paper, the coupling and penetration of electromagnetic pulse through lapped joints in conducting screen are simulated by the finite difference time domain (FDTD) method. Equivalent electromagnetic current sheets on the aperture and the transm...
In this paper, the coupling and penetration of electromagnetic pulse through lapped joints in conducting screen are simulated by the finite difference time domain (FDTD) method. Equivalent electromagnetic current sheets on the aperture and the transm...
