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RSS2011 Vol. 23, No. 03
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2011,
23.
Abstract:
A Schwarzschild microscope at 18.2 nm for ultra-fast laser produced plasma diagnosis is developed. According to the requirements of plasma diagnosis, the microscope is designed for numerical aperture of 0.1 and magnification of 10. It is found that s...
A Schwarzschild microscope at 18.2 nm for ultra-fast laser produced plasma diagnosis is developed. According to the requirements of plasma diagnosis, the microscope is designed for numerical aperture of 0.1 and magnification of 10. It is found that s...
2011,
23.
Abstract:
Tunable transversely excited atmospheric-pressure (TEA) CO2 laser has potential applications in laser radar, laser chemistry and laser propulsion. A new type of preionizer used in tunable TEA CO2 laser was investigated. With the means of grating line...
Tunable transversely excited atmospheric-pressure (TEA) CO2 laser has potential applications in laser radar, laser chemistry and laser propulsion. A new type of preionizer used in tunable TEA CO2 laser was investigated. With the means of grating line...
2011,
23.
Abstract:
A new type of X-ray diode (XRD-Ⅱ) with ultrafast response time was developed. XRD-Ⅱ detector was improved on the basis of old XRD (XRD-Ⅰ), and its performances were studied on the 8ps laser facility. The results show that XRD-Ⅱ has excellent high-vol...
A new type of X-ray diode (XRD-Ⅱ) with ultrafast response time was developed. XRD-Ⅱ detector was improved on the basis of old XRD (XRD-Ⅰ), and its performances were studied on the 8ps laser facility. The results show that XRD-Ⅱ has excellent high-vol...
2011,
23.
Abstract:
The multilayer graded density carbon aerogel target was fabricated, which is considered to be an excellent unique target for ICF experiments and shock wave research. By polymerization reaction of resorcinol and formaldehyde and via a self-made flexib...
The multilayer graded density carbon aerogel target was fabricated, which is considered to be an excellent unique target for ICF experiments and shock wave research. By polymerization reaction of resorcinol and formaldehyde and via a self-made flexib...
2011,
23.
Abstract:
An imaging-velocity interferometer system for any reflector (VISAR) has been implemented at the “Heaven-I” excimer laser system, which is applied to laser-driven shock experiments as a method for equation of state (EOS) measurement. It contains three...
An imaging-velocity interferometer system for any reflector (VISAR) has been implemented at the “Heaven-I” excimer laser system, which is applied to laser-driven shock experiments as a method for equation of state (EOS) measurement. It contains three...
2011,
23.
Abstract:
Carbon aerogel(CA) was prepared by the polycondensation of resorcinol (R) and formaldehyde(F) and then activated by CO2 flow. XRD analysis indicates that in the process of activation, CO2 infiltrates into the network of CA and weakens the (002) and (...
Carbon aerogel(CA) was prepared by the polycondensation of resorcinol (R) and formaldehyde(F) and then activated by CO2 flow. XRD analysis indicates that in the process of activation, CO2 infiltrates into the network of CA and weakens the (002) and (...
2011,
23.
Abstract:
The effect of different substrates and different fluorides are studied to develop low loss, high-performance 193 nm fluoride antireflection coatings. Different fluoride antireflection coatings are deposited by a molybdenum boat evaporation process on...
The effect of different substrates and different fluorides are studied to develop low loss, high-performance 193 nm fluoride antireflection coatings. Different fluoride antireflection coatings are deposited by a molybdenum boat evaporation process on...
2011,
23.
Abstract:
Diagnosing conditions of compressed fuel is a critical aspect of ICF capsule implosion experiments. A common diagnostic technique is to add a small concentration of high- or mid-Z dopant to the fuel, and measure the emission from the dopant either sp...
Diagnosing conditions of compressed fuel is a critical aspect of ICF capsule implosion experiments. A common diagnostic technique is to add a small concentration of high- or mid-Z dopant to the fuel, and measure the emission from the dopant either sp...
2011,
23.
Abstract:
Cu nanowire array targets have been fabricated with anodic aluminum oxide(AAO) template by pulsed electrodeposition, and characterized by scanning electron microscopy(SEM), energy-dispersive X-ray spectroscopy(EDS) and X-ray diffraction(XRD). It is f...
Cu nanowire array targets have been fabricated with anodic aluminum oxide(AAO) template by pulsed electrodeposition, and characterized by scanning electron microscopy(SEM), energy-dispersive X-ray spectroscopy(EDS) and X-ray diffraction(XRD). It is f...
2011,
23.
Abstract:
Dual layer Polystyrene(PS)-poly-4-methyl-1-pentene(PMP) foam with thickness of 1.5 mm, used in Rayleigh-Taylor hydrodynamic instability experiments, was accurately cut employing femtosecond laser irradiation with 800 nm central wavelength, 120 fs dur...
Dual layer Polystyrene(PS)-poly-4-methyl-1-pentene(PMP) foam with thickness of 1.5 mm, used in Rayleigh-Taylor hydrodynamic instability experiments, was accurately cut employing femtosecond laser irradiation with 800 nm central wavelength, 120 fs dur...
2011,
23.
Abstract:
The Kα X-ray emission from femtosecond laser-material interactions has been measured with a dispersionless Kα X-ray spectrometer in front of and behind the Cu foil targets. The conversion efficiency from laser energy to Kα photons was obtained. Laser...
The Kα X-ray emission from femtosecond laser-material interactions has been measured with a dispersionless Kα X-ray spectrometer in front of and behind the Cu foil targets. The conversion efficiency from laser energy to Kα photons was obtained. Laser...
2011,
23.
Abstract:
Based on the estimated parameters of fast ignition, the requirements for laser-beam power intensity and energy are used to analyze the possibility of realizing fast ignition by coherent combination and noncoherent combination. The practical distorte...
Based on the estimated parameters of fast ignition, the requirements for laser-beam power intensity and energy are used to analyze the possibility of realizing fast ignition by coherent combination and noncoherent combination. The practical distorte...
2011,
23.
Abstract:
The theoretical model of signal-to-noise ratio(SNR) in the interferometric imaging system with rotating diffuser is proposed by means of statistical optics. According to the theoretical model, the relations between parameters of rotating diffuser, co...
The theoretical model of signal-to-noise ratio(SNR) in the interferometric imaging system with rotating diffuser is proposed by means of statistical optics. According to the theoretical model, the relations between parameters of rotating diffuser, co...
2011,
23.
Abstract:
Because of the electron emission, an electron sheath will appear near the cathode surface of the magnetically insulated transmission line (MITL). When the MITL comes to be stable, the sheath will reach pressure equilibrium. Based on the collisions in...
Because of the electron emission, an electron sheath will appear near the cathode surface of the magnetically insulated transmission line (MITL). When the MITL comes to be stable, the sheath will reach pressure equilibrium. Based on the collisions in...
2011,
23.
Abstract:
The main objective of this work is to study the computation of coupling on wires enclosed in the cavity with apertures by exciting sources. The analytical approach is rigorous and slow implementations. The numerical technique is too approximate to be...
The main objective of this work is to study the computation of coupling on wires enclosed in the cavity with apertures by exciting sources. The analytical approach is rigorous and slow implementations. The numerical technique is too approximate to be...
2011,
23.
Abstract:
A high power accelerator which can simultaneously produce three electron beams was developed. It is made up of primary energy storage system, spiral-strip transformer, pulse forming line using deionized water as insulation and diode with three cathod...
A high power accelerator which can simultaneously produce three electron beams was developed. It is made up of primary energy storage system, spiral-strip transformer, pulse forming line using deionized water as insulation and diode with three cathod...
2011,
23.
Abstract:
The basic theory and some key technologies of the air-cored transformer in design are introduced, and a helical line air-cored transformer with high turn ratio is designed. The primary winding is a 3-turn copper sheet, and the secondary winding is a ...
The basic theory and some key technologies of the air-cored transformer in design are introduced, and a helical line air-cored transformer with high turn ratio is designed. The primary winding is a 3-turn copper sheet, and the secondary winding is a ...
2011,
23.
Abstract:
Side focusing fields generated by offset-pole periodic cusped magnets for the propagation of sheet electron beams have been investigated theoretically and numerically. Increasing the offset length, decreasing the width of beam channel, or increasing ...
Side focusing fields generated by offset-pole periodic cusped magnets for the propagation of sheet electron beams have been investigated theoretically and numerically. Increasing the offset length, decreasing the width of beam channel, or increasing ...
2011,
23.
Abstract:
The dynamics behaviors of high power long pulse foilless diode were analyzed on the basis of diode design theory. The result indicated that the back flowing electrons must be cut off, and can not bombard the dielectric surface and the wall of the foi...
The dynamics behaviors of high power long pulse foilless diode were analyzed on the basis of diode design theory. The result indicated that the back flowing electrons must be cut off, and can not bombard the dielectric surface and the wall of the foi...
2011,
23.
Abstract:
The multi-active zone tunnel regeneration semiconductor laser can fully use the transmission capability of multi-mode optical fiber, but its steady-state thermal property is unclear and limits its applications in high power area. The steady-state the...
The multi-active zone tunnel regeneration semiconductor laser can fully use the transmission capability of multi-mode optical fiber, but its steady-state thermal property is unclear and limits its applications in high power area. The steady-state the...
2011,
23.
Abstract:
When light is so weak that a single photon is emitted, the single photon can be detected only in photon counting mode. The avalanche photodiode (APD) based on impact ionization effect is used as detector to construct an experimental system of photon ...
When light is so weak that a single photon is emitted, the single photon can be detected only in photon counting mode. The avalanche photodiode (APD) based on impact ionization effect is used as detector to construct an experimental system of photon ...
2011,
23.
Abstract:
The probe is usually corroded by chemical solutions in permittivity measurements. An apparatus which realizes wide-band online non-contact measurement is proposed to resolve this problem. S-parameters are obtained by full-wave simulations with the pr...
The probe is usually corroded by chemical solutions in permittivity measurements. An apparatus which realizes wide-band online non-contact measurement is proposed to resolve this problem. S-parameters are obtained by full-wave simulations with the pr...
2011,
23.
Abstract:
This paper presents a mask fabrication method, which uses laser interference lithography to prepare interference patterns, and then transfers the patterns to the chromium layer by ion beam etching (IBE) to gain the mask. A series of rigorous numerica...
This paper presents a mask fabrication method, which uses laser interference lithography to prepare interference patterns, and then transfers the patterns to the chromium layer by ion beam etching (IBE) to gain the mask. A series of rigorous numerica...
2011,
23.
Abstract:
In order to evaluate single event upsets(SEUs) in SRAM-based FPGAs and to find the sensitive resource in configuration memory, a heavy ions irradiation experiment was carried out on a Xilinx FPGAs device XCV300PQ240. The experiment was conducted to g...
In order to evaluate single event upsets(SEUs) in SRAM-based FPGAs and to find the sensitive resource in configuration memory, a heavy ions irradiation experiment was carried out on a Xilinx FPGAs device XCV300PQ240. The experiment was conducted to g...
2011,
23.
Abstract:
A kind of photodetector was developed by microchannel plate (MCP) evaporated with Au photocathode. According to the resistive and capacitive characteristics of MCP, a method for measuring the energy dependent sensitivity was established. The response...
A kind of photodetector was developed by microchannel plate (MCP) evaporated with Au photocathode. According to the resistive and capacitive characteristics of MCP, a method for measuring the energy dependent sensitivity was established. The response...
2011,
23.
Abstract:
The proposed TRIUMF ARIEL project plans to build a 50 MeV electron linac at 10 mA to produce radioactive ion beams through photo-fission. The electron linac includes two major parts: injector section and driver linac. The injector section is required...
The proposed TRIUMF ARIEL project plans to build a 50 MeV electron linac at 10 mA to produce radioactive ion beams through photo-fission. The electron linac includes two major parts: injector section and driver linac. The injector section is required...
2011,
23.
Abstract:
Different turbid media have different optical parameters such as absorption coefficient, scattering coefficient, anisotropic factor and refractive index. Monte Carlo method was used to simulate the influence of optical parameters on the transmitted p...
Different turbid media have different optical parameters such as absorption coefficient, scattering coefficient, anisotropic factor and refractive index. Monte Carlo method was used to simulate the influence of optical parameters on the transmitted p...
2011,
23.
Abstract:
The cumulative ion saturation currents on a cylindrical probe are measured by using a negatively biased, water-cooled cylindrical electrostatic probe sweeping with a fixed speed perpendicularly across a laminar argon plasma jet, and the radial distri...
The cumulative ion saturation currents on a cylindrical probe are measured by using a negatively biased, water-cooled cylindrical electrostatic probe sweeping with a fixed speed perpendicularly across a laminar argon plasma jet, and the radial distri...
2011,
23.
Abstract:
The intense pulsed emission property of the large area carbon nanotube(CNT) cathode made by dipping method has been researched on the 2 MeV linear induction accelerator (LIA) injector. Results show that the CNT cathode has a capability of emitting an...
The intense pulsed emission property of the large area carbon nanotube(CNT) cathode made by dipping method has been researched on the 2 MeV linear induction accelerator (LIA) injector. Results show that the CNT cathode has a capability of emitting an...
2011,
23.
Abstract:
The reactor neutron irradiation on three types of optocouplers was experimentally studied. Current transfer ratio decreased and saturation voltage increased due to displacement damage in the range of neutron fluence from 3×1011 cm-2 to 5×1012cm-2. Th...
The reactor neutron irradiation on three types of optocouplers was experimentally studied. Current transfer ratio decreased and saturation voltage increased due to displacement damage in the range of neutron fluence from 3×1011 cm-2 to 5×1012cm-2. Th...
2011,
23.
Abstract:
The beam lifetime is an important parameter which can affect the operation of the storage ring. For Hefei Light Source(HLS), Touschek lifetime is an important factor affecting beam lifetime. To study the Touschek lifetime, the loss of electrons due t...
The beam lifetime is an important parameter which can affect the operation of the storage ring. For Hefei Light Source(HLS), Touschek lifetime is an important factor affecting beam lifetime. To study the Touschek lifetime, the loss of electrons due t...
2011,
23.
Abstract:
A 200 kV high voltage switch power supply has been developed, based on softswitching power supply technology and cascading voltage multiplier. Its working principle and structure are presented. The high voltage switch power supply mainly consists of...
A 200 kV high voltage switch power supply has been developed, based on softswitching power supply technology and cascading voltage multiplier. Its working principle and structure are presented. The high voltage switch power supply mainly consists of...
2011,
23.
Abstract:
The crossed undulator is an effective method for polarization control in soft X-ray free electron lasers(FELs). Influencing factors were statistically analyzed for polarization control with a crossed undulator in self amplified spontaneous (SASE) FEL...
The crossed undulator is an effective method for polarization control in soft X-ray free electron lasers(FELs). Influencing factors were statistically analyzed for polarization control with a crossed undulator in self amplified spontaneous (SASE) FEL...
2011,
23.
Abstract:
Based on the linear theory of gyrotron traveling wave amplifier (gyro-TWA) and the boundary condition, the model of the gyro-TWA with reflections at the output port is established. The influence of the reflections on the wave gain rate, the back wave...
Based on the linear theory of gyrotron traveling wave amplifier (gyro-TWA) and the boundary condition, the model of the gyro-TWA with reflections at the output port is established. The influence of the reflections on the wave gain rate, the back wave...
2011,
23.
Abstract:
A rigorous numerical method for the prediction of shielding effectiveness, which adopts the mode-matching technique and the mixed potential integral equation based on the method of moments, has been presented for rectangular metallic enclosure with a...
A rigorous numerical method for the prediction of shielding effectiveness, which adopts the mode-matching technique and the mixed potential integral equation based on the method of moments, has been presented for rectangular metallic enclosure with a...
2011,
23.
Abstract:
Microwave injection experiments were conducted on the analog-to-digital converter of three inverters to study its response to P-band microwaves of different parameters. The effectiveness and reliability of the experiments were achieved by using the e...
Microwave injection experiments were conducted on the analog-to-digital converter of three inverters to study its response to P-band microwaves of different parameters. The effectiveness and reliability of the experiments were achieved by using the e...
2011,
23.
Abstract:
Magnetron structure and quasi magnetron structure (no cathode) are the basic elements of magnetron with diffraction output (MDO). It is the groundwork for studying the mode conversion and transmission in MDO to analyze the dispersion relation of the ...
Magnetron structure and quasi magnetron structure (no cathode) are the basic elements of magnetron with diffraction output (MDO). It is the groundwork for studying the mode conversion and transmission in MDO to analyze the dispersion relation of the ...
2011,
23.
Abstract:
The extended-interaction oscillator with disk-loaded waveguide is presented as a new terahertz vacuum electronic radiation source. The device consists of an input cavity resonator with disk-loaded waveguide, a drift tube and an output cavity. A two a...
The extended-interaction oscillator with disk-loaded waveguide is presented as a new terahertz vacuum electronic radiation source. The device consists of an input cavity resonator with disk-loaded waveguide, a drift tube and an output cavity. A two a...
2011,
23.
Abstract:
The influence of unmatched antenna load on resonance characters of quarter wavelength coaxial oscillator, which determines the output pulse spectrum, was analyzed. Based on cascading dual-port microwave network model, the relationship between load re...
The influence of unmatched antenna load on resonance characters of quarter wavelength coaxial oscillator, which determines the output pulse spectrum, was analyzed. Based on cascading dual-port microwave network model, the relationship between load re...
2011,
23.
Abstract:
A hexagonal focal-plane array of microstrip antennas with electromagnetic bandgap (EBG) structure is proposed. After an in-depth study of EBG structure to suppress mutual coupling between antennas, a hexagonal seven-element microstrip antenna array w...
A hexagonal focal-plane array of microstrip antennas with electromagnetic bandgap (EBG) structure is proposed. After an in-depth study of EBG structure to suppress mutual coupling between antennas, a hexagonal seven-element microstrip antenna array w...
2011,
23.
Abstract:
A novel dual-band microstrip antenna which is fed by 50 Ω microstrip line for wireless local area network (WLAN) applications is analyzed and designed. The antenna with slot loaded on the patch for miniaturization can operate on dual-band. The center...
A novel dual-band microstrip antenna which is fed by 50 Ω microstrip line for wireless local area network (WLAN) applications is analyzed and designed. The antenna with slot loaded on the patch for miniaturization can operate on dual-band. The center...
2011,
23.
Abstract:
To develop the evaluation methods of lightning protection system, the high resolution simulation of cloud-to-ground lightning leaders was done based on a 3-D dielectric breakdown model (DBM) in an analytic thunderstorm model, then an evaluation model...
To develop the evaluation methods of lightning protection system, the high resolution simulation of cloud-to-ground lightning leaders was done based on a 3-D dielectric breakdown model (DBM) in an analytic thunderstorm model, then an evaluation model...
2011,
23.
Abstract:
The paper presents a three-mirror quasi-optical cavity (TMQOC) high power radiation source, which includes a column slow-wave grating and two spherical mirror reflectors. A TMQOC system has been designed on the basis of simulation and theory calculat...
The paper presents a three-mirror quasi-optical cavity (TMQOC) high power radiation source, which includes a column slow-wave grating and two spherical mirror reflectors. A TMQOC system has been designed on the basis of simulation and theory calculat...
2011,
23.
Abstract:
Transient physical processes of electromagnetic field forming in reentrant resonator have been studied by theory, simulation and experiment. The results of the three methods, consistent with each other, show that the result difference between simulat...
Transient physical processes of electromagnetic field forming in reentrant resonator have been studied by theory, simulation and experiment. The results of the three methods, consistent with each other, show that the result difference between simulat...
2011,
23.
Abstract:
Supercontinuum has a wide and important application in many fields, it is one of the hottest research topics during the past four decade. However, the splicing and coupling loss is a little high owing to the mismatch of mode area between double-clad ...
Supercontinuum has a wide and important application in many fields, it is one of the hottest research topics during the past four decade. However, the splicing and coupling loss is a little high owing to the mismatch of mode area between double-clad ...
2011,
23.
Abstract:
Fourier telescopy (FT), an active high-resolution imaging technique, uses linear interference fringes with different spatial frequencies sweeping across a target. The resulting reflected temporal signal is collected by a large receiver of lower optic...
Fourier telescopy (FT), an active high-resolution imaging technique, uses linear interference fringes with different spatial frequencies sweeping across a target. The resulting reflected temporal signal is collected by a large receiver of lower optic...
2011,
23.
Abstract:
Beam collimation mechanism of the fast axis collimation (FAC) microlens is described, and theoretical accuracy requirements for adjusting advice and the selection of lens are analyzed, for the output beam of diode laser vertical stack to achieve smal...
Beam collimation mechanism of the fast axis collimation (FAC) microlens is described, and theoretical accuracy requirements for adjusting advice and the selection of lens are analyzed, for the output beam of diode laser vertical stack to achieve smal...
2011,
23.
Abstract:
The main factors affecting the transmittance of laser transparent ceramics are studied. The effects of the scattering particles including inner pores and impurity particles, the difference of refractive index between the boundary and the grain in the...
The main factors affecting the transmittance of laser transparent ceramics are studied. The effects of the scattering particles including inner pores and impurity particles, the difference of refractive index between the boundary and the grain in the...
2011,
23.
Abstract:
The output characteristics of Cr4+:YAG passively Q-switched laser was studied theoretically and experimentally. The pulse energy and pulse width for different small signal transmission ratios of Q-switching crystal and different reflection indices of...
The output characteristics of Cr4+:YAG passively Q-switched laser was studied theoretically and experimentally. The pulse energy and pulse width for different small signal transmission ratios of Q-switching crystal and different reflection indices of...
2011,
23.
Abstract:
A power fiber amplifier module consisting of two stage fiber amplifiers, whose fiber core diameters were 15 μm and 25 μm respectively, was presented. It can output 30 kW peak power with 300 μJ output energy, when the input pulsed signal is 10 ns in d...
A power fiber amplifier module consisting of two stage fiber amplifiers, whose fiber core diameters were 15 μm and 25 μm respectively, was presented. It can output 30 kW peak power with 300 μJ output energy, when the input pulsed signal is 10 ns in d...
2011,
23.
Abstract:
Spectral beam combining technology is an effective approach to obtain high-power laser output. The side-lobe in diffraction efficiency of reflection Bragg grating is the main factor which limits the efficiency of spectral beam combining. In this pape...
Spectral beam combining technology is an effective approach to obtain high-power laser output. The side-lobe in diffraction efficiency of reflection Bragg grating is the main factor which limits the efficiency of spectral beam combining. In this pape...
2011,
23.
Abstract:
Phase diversity wavefront sensing (PDWFS), which has a simple configuration and a low cost, can be used to estimate wavefront for point source as well as extended source. However, there are various errors in its image collection and phase retrieval p...
Phase diversity wavefront sensing (PDWFS), which has a simple configuration and a low cost, can be used to estimate wavefront for point source as well as extended source. However, there are various errors in its image collection and phase retrieval p...
2011,
23.
Abstract:
To measure far field intensity distribution of high energy laser by thermal image method, we studied a laser screen made of thermoelectric cooling chips(TECC). We first built heating model of target surface by laser irradiation based on heat conducti...
To measure far field intensity distribution of high energy laser by thermal image method, we studied a laser screen made of thermoelectric cooling chips(TECC). We first built heating model of target surface by laser irradiation based on heat conducti...
2011,
23.
Abstract:
Numerical simulations are conducted on the imaging of Fourier telescopy System with equalspaced antenna array in T shape geometries, and the imaging quality is evaluated by the Strehl distribution of different targets. The results testify that the a...
Numerical simulations are conducted on the imaging of Fourier telescopy System with equalspaced antenna array in T shape geometries, and the imaging quality is evaluated by the Strehl distribution of different targets. The results testify that the a...
2011,
23.
Abstract:
Image focus-of-attention detection is the key technology of image region-of-interest extraction based on human visual attention model. A new image focus-of-attention detection algorithm is proposed based on double-threshold visual attention model. Fi...
Image focus-of-attention detection is the key technology of image region-of-interest extraction based on human visual attention model. A new image focus-of-attention detection algorithm is proposed based on double-threshold visual attention model. Fi...
2011,
23.
Abstract:
The wall of secondary gas flow distribution pipeline in primary nozzle blade will be heated during CW chemical laser operation. Effects on flow field characteristics of distribution flow pipeline with hot wall boundary under conditions of single end ...
The wall of secondary gas flow distribution pipeline in primary nozzle blade will be heated during CW chemical laser operation. Effects on flow field characteristics of distribution flow pipeline with hot wall boundary under conditions of single end ...
2011,
23.
Abstract:
Experimental measurement and numerical simulation are employed to study the effects of laser irradiation on aluminum alloy tank containing water. Firstly, by analyzing the surface pictures and measuring the temperature histories, the effects of water...
Experimental measurement and numerical simulation are employed to study the effects of laser irradiation on aluminum alloy tank containing water. Firstly, by analyzing the surface pictures and measuring the temperature histories, the effects of water...
2011,
23.
Abstract:
A scheme using metamaterials is proposed to modulate beamwidth and obtain a line beam from a beam with finite width based on transformation optics, and the constitutive tensors of metamaterials are educed. The good performance of the proposed medium ...
A scheme using metamaterials is proposed to modulate beamwidth and obtain a line beam from a beam with finite width based on transformation optics, and the constitutive tensors of metamaterials are educed. The good performance of the proposed medium ...
2011,
23.
Abstract:
A half-year contradistinctive experiment for visibility detecting has been performed using CSY2 visibility lidar developed by ourselves in Xiaogan of Hubei province and Peking. The output of CSY2 visibility lidar was lower than the outputs of eyeball...
A half-year contradistinctive experiment for visibility detecting has been performed using CSY2 visibility lidar developed by ourselves in Xiaogan of Hubei province and Peking. The output of CSY2 visibility lidar was lower than the outputs of eyeball...
2011,
23.
Abstract:
Fundamental equations governing the temperature field of thermally decomposing resin composite irradiated by laser are derived from mass and energy conservation laws with the control volume method. The thermal decomposition of resin is described by a...
Fundamental equations governing the temperature field of thermally decomposing resin composite irradiated by laser are derived from mass and energy conservation laws with the control volume method. The thermal decomposition of resin is described by a...
