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| 1 | Liquid Crystal Motion Picture Projector显示文摘LiquidCrystalMotionPictureProjector①SHIYongji(LuoyangTechnologyColege,Luoyang471003,CHN)Abstract:Aliquidcrystalmovingpicturep... | SHI Yongji(Luoyang Technology College,Luoyang 471003,CHN)Abstract: A liquid crystal moving picture projector and method are described.Light incident on a liquid crystal display-type device is selectively scattered or transmitted by respective portions of liquid crystal display,and a projection mechanism projects an image formed by either such scattered light or such transmitted light.A liquid crystal moving picture projector includes a liquid crystal display for creating characteristics of an image,and projecttion optics for projecting images sequentially created by the display.The display includes a liquid crystal material capable of temporary storing information at respective areas.The temporary storage may be a function of charge storing directly on liquid crystal material.A method of projecting plural images in sequence includes:creating an image or characteristics of an image in a liquid crystal material,storing such image in such liquid crystal material,directing light at such liquid crystal material,projecting such image as a function of light transmitted through or scattered by such liquid crystal material,and creating a further image in such liquid crystal material for subsequent projection. | 1997 | Semiconductor Photonics and Technology1997，3，3： | 35 |
| 2 | Investigation of Induced Distortions in a-Si∶H/a-SiN_x∶H Multilayers by Raman Scattering Technique显示文摘The a Si∶H/SiN x ∶H sample series are investigated by means of Raman scattering technique(RST). The result shows that due to the structural mismatch between a Si∶H and a SiN x ∶H, severe induced distortions are produced in the interface of the heterojunction, and these induced distortions tend towards a certain energy state. The ordering of the interface structure depends on the periodic number of multilayer thin films. | CAO Guo rong 1, GUO Shen kang 1, WANG Zhi chao 2, LIU Yin chun 2, SUN Mei xiang 2 (1.Dept. of Phys., Jiangsu University, Zhenjiang 212003, CHN 2.Dept. of Phys., Nanjing University, Nanjing 210093, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，4： | 8 |
| 3 | Electron Acceleration in the Cone-shaped Extra-intense Stationary Laser Field显示文摘A technique of electron acceleration in the cone shaped stationary laser field is proposed. An electron acceleration in this laser is studied, which shows that there is no electron bunching but there exists electron capture in this laser field. | HAO Dong shan, LIU An hui (Dept. of Phys., Zhumadian Teachers College, Zhumadian 463000, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，4： | 8 |
| 4 | Numerical Simulation of Spectral Response for 650 nm Silicon Photodetector显示文摘The theoretical spectral response formula of the N+-N-I-P+ silicon photodetector with high/low emission junction is given. At the same time, considering the process requirements, the optimum structure parameters of silicon photodetector are obtained by numerical calculation and simulation. Under the condition of these optimum structure parameters, the responsivity of the silicon photodetector will be 0.48 A/W at 650 nm. | LIU Li-na, CHEN Chao, LIU Cai-hong(Dept.of Phy.,Xiamen University,Xiamen 361005,CHN) | 2003 | Semiconductor Photonics and Technology2003，9，2： | 7 |
| 5 | Properties of Differential Scattering Section Based on Multi-photon Nonlinear Compton Effect显示文摘Properties of damping electrons in collision with photons based on multi-photon nonlinear Compton effect are investigated. The expressions of the differential scattering section are derived. Several useful conclusions are drawn. | HAO Dong-shan, ZHENG Jing-hua (Dept. of Phys., Zhumadian Teachers College, Zhumadian 463000, CHN)) | 2002 | Semiconductor Photonics and Technology2002，8，2： | 6 |
| 6 | Conductive Mechanism of Organic Conductor显示文摘Organic conductor is a kind of organic compound which has special electronic and magnetic properties. The research of the organic compounds has received considerable attention because of their potential applications in many areas. The molecular conductive units are theoretically investigated as well as their energy gap and charge distribution. The relationship of conductivity and micro mechanism is discussed. | ZHOU Yu fang 1,2 , LIU Zhi 2 (1. Dept. of Phys., Shandong University, Jinan 250100, CHN 2. State Key Lab. of Cryst. Mater., Shandong University, Jiana 250100, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，3： | 6 |
| 7 | Evolution of Electron Phase Orbits Based on Multi-photon Nonlinear Compton Scattering显示文摘The electron movement based on the multi-photon nonlinear Compton scattering with the extra-intense stationary laser field is discussed by using KMR (Kroll-Morton-Rosenbluth) theory.We find that there exists only an evolution from periodicity to non-periodicity of the un-captured electron phase orbits after the energy exchange between the electron beam and laser fields.With the increase of the absorbed photon number n by an electron, this evolution will be more and more faster, while it is rapidly decreased with the enhancement of the collision non-flexibility ξ of the electrons and photons; When the electrons are captured by the laser fields, the evolution is finished, the electrons will stably transport,and the photons dont give up the energy to these electrons. | HAO Dong-shan, HAO Xiao-fei (Dept.of Phys.,Zhumadian Teachers College, Zhumadian 463000,CHN) | 2003 | Semiconductor Photonics and Technology2003，9，3： | 5 |
| 8 | 珩磨技术的特点与改进显示文摘1 珩磨技术的发展
1.1 珩磨与研磨
内孔精加工中,高去除量、短加工周期的珩磨加工工艺正取代研磨加工工艺. | (Shanghai Sunnen Mechanical Co. , Ltd. , Shanghai 201319, CHN) | 2004 | 制造技术与机床2004，，9： | 4 |
| 9 | A Breather in Birefringent Fibers显示文摘The propagation properties of the breather in birefringent fibers are investigated. The breather can propagate stably in strongly birefringent fibers. The propagation law can be expected. However, random birefringence makes the propagation of the breather more complex. The breather will partly disappear and partly appear, even may split into two smaller breathers. In addition, the varying range of relative time displacement between two components of the breather becomes narrower with the effect of third-order dispersion. If third order dispersion is too strong, the breather behavior will disappear gradually during the transmission. The breather can exist in random birefringent fiber with dispersion management rather than in strongly birefringent fiber. | CHEN Wei cheng 1,2 , XU Wen cheng 1 (1.Dept. of Phys., Foshan University, Foshan 528000, CHN 2.Inst. of Quantum Electron., South China Normal University, Guangzhou 510631, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，4： | 4 |
| 10 | Thermal and Transmission Properties of UV Nonlinear Optical Material——ZnCd(SCN)_4 Crystal显示文摘Zinc cadmium thiocyanate(ZCTC), ZnCd(SCN) 4, has been discovered as a UV second order nonlinear optical coordination crystal. Its thermal and transmission properties are reported. The thermal decomposition is characterized by using the X ray powder diffraction (XRPD) and infrared (IR) spectroscopy at room temperature. The absorptions of intrinsic ions and ZCTC in a solution state are discussed as well as transmission properties of the ZCTC crystal. An effective method of reducing the surface reflection loss of ZCTC crystal is introduced. | NING H X, XU D, WANG X Q, CHENG X F, YANG Z H (Institute of Cryst. Mater. and State Key Lab. of Cryst. Mater., Shandong University, Jinan 250100, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，1： | 4 |
| 11 | Non-contact and Automatic Measurement of 2D Size with CCD Matrix and Computer System显示文摘A measurement system with the CCD matrix and computer system is designed to test the 2D size of any shape workpieces automatically. In addition, the system adopts the method of the relative measurement which increases the precision and the velocity.More importantly,the precision cant be changed with the conditions of the temperature and air pressure.The experiments show that the relative precision of 0.002 9 and the absolute precision of 2.97 μm are obtained. The instrument may be used in the product line and make the testing on line possible. | ZHANG Ye, WANG Wen-sheng, GUO Yang-xue, SONG Hui-ying (College of Photoelectr.Eng.,Changchun University of Science and Technology,Changchun 130022,CHN) | 2003 | Semiconductor Photonics and Technology2003，9，3： | 4 |
| 12 | Optical and Electrical Properties of Sensitized Polyaniline by Electrochemical Polymerization显示文摘To sensitize polyaniline with dyes by electrochemical polymerization, HClO 4 is employed as the dopant and oxidant, and the polyaniline with different sensitive properties is synthesized. The effect of sensitized emeraldine salt on the absorption spectrum is discussed in details. The maximum conductivity of sensitized films reaches 1.22 S/cm, and investigation on dye sensitizing of the polymer reveals that C.I. Direct Blue 71, C.I. Direct Blue 84, C.I. Direct Black 19 and CuPc-(COOH) 4 may enhance the photoconductivity of polyaniline greatly. | WANG Hui,ZHENG Jian-bang,FENG Wei,WU Hong-cai (School of Electr. & Inform. Eng., Xi’an Jiaotong University, Xi’an 710049,CHN) | 1999 | Semiconductor Photonics and Technology1999，5，3： | 3 |
| 13 | Numerical Analysis on Current Transport Characteristics in Single Layer Organic Electroluminescent Devices显示文摘A new model to describe I-V characteristics of organic light emitting devices (OLEDs) is developed based on experimental results. The dependence of I-V characteristics on energy barrier, trap density and carrier mobility is analyzed. The result shows that this model combines the Fowler Nordheim tunnel theory and the trap charge limited current theory with exponential trap distribution (TCL), and it describes the current transport characteristics of OLEDs more comprehensively. The I-V characteristics follow Fowler Nordheim theory when the energy barrier is high, the trap density is small and the carrier mobility is large.In other cases they follow the TCL theory. | PENG Ying quan 1, GAO Zhao yang 1, HE Xi yuan 1, ZHANG Xu 2 (1.School of Phys. Sci. and Tech., Lanzhou University, Lanzhou 730000, CHN 2. Dept. of Phys., Gansu Education University, Lanzhou 730030, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，4： | 3 |
| 14 | Stochastic Resonance in Bistable System Subject to Multiplicative and Additive Noise显示文摘In this paper, a simulation model of bistable system subject to multiplicative and additive noise is built on the basis of the theory of stochastic resonance(SR). SR phenomenon appears in the system subject to multiplicative and additive noise when a single signal transmits in the system. The output waveforms and the power spectrums at different frequencies are compared. The impact of the intensity of multiplicative and additive noise on the bistable system is discussed. It is found that this simulation model can upgrade the quality of the signal processing and the noise intensity can be effectively used for improving the effect of SR. | JIANG Xin, WANG Fuzhong, YAN Xuequn (College of Science, Tianjin Polytechnic University, Tianjin 300160, CHN) | 2010 | Semiconductor Photonics and Technology2010，16，4： | 3 |
| 15 | S-type Er-Yb Co-doped Phosphate Glass Waveguide Amplifier Integrated with Cascaded Multilayer Medium Thin Film Filter显示文摘A new S-type of erbium-ytterbium co-doped phosphate glass waveguide amplifier integrated with cascaded multilayer medium thin film filter is proposed,this S-type geometry waveguide structure is used to achieve a long path in a compact chip,and obtained higher gain with lower Er-doped concentration. The cascaded multilayer medium thin film filter is utilized to achieve a broader flattening gain bandwidth.The intrinsical gain spectrum is obtained by solving rate and power propagation equations,the effect of transmittance spectrum of thin film filter on flattening gain is discussed. | CHEN Hai-yan~( 2. School of Science,Jianghan Petroleum University,Jingzhou 434102,CHN) | 2004 | Semiconductor Photonics and Technology2004，10，2： | 3 |
| 16 | Characterization of GaN Buffer Layers and Its Epitaxial Layers Grown by MOCVD显示文摘Low pressure MOCVD has been used to investigate the properties of low temperature buffer layer deposition conditions and their influence on the properties of high temperature GaN epilayers grown subsequently. It is found that the surface morphology of the as grown buffer layer after thermal annealing at 1 030 ℃ and 1 050 ℃ depends strongly on the thickness of the buffer layer. In particular when a thick buffer layer is used, large trapezoidal nuclei are formed after annealing. | LIU Bao lin (Dept. of Phys., Xiamen University, Xiamen 361005, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，1： | 2 |
| 17 | Learning Vector Coding Methods of ART1 and Their Applications显示文摘As one of the unsupervised learning models, ART1 has been widely used in data mining or other fields, while coding of it’s learning vector is very important. Their input vector coding methods and learning vector coding methods are described in detail. The corresponding applications are given. | CHEN Hai xin, XU Shen chu, CHEN Zhen xiang, ZHU Xiao qin (Dept. of Phys., Xiamen University, Xiamen 361005, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，3： | 2 |
| 18 | Measurement of a Three-dimensional Gas Temperature Field with Holographic Interferometry显示文摘MeasurementofaThree-dimensionalGasTemperatureFieldwithHolographicInterferometry￥CHENShaohua(YibinTeacher'sCollege,Yibin644007... | CHEN Shaohua(Yibin Teacher’s College, Yibin 644007, CHN)ZHAO Xuxin HUANG Suyi SHI Dufang(Huazhong University of Science and Technology, Wuhan 430074, CHN) | 1996 | Semiconductor Photonics and Technology1996，2，1： | 2 |
| 19 | Absolute Measurement Fiber-optic Sensors inLarge Structural Monitoring显示文摘The security of civil engineering is an important task due to the economic, social and environmental significance. Compared with conventional sensors, the optical fiber sensors have their unique characteristics.Being durable, stable and insensitive to external perturbations,they are particular interesting for the long-term monitoring of civil structures.Focus is on absolute measurement optical fiber sensors, which are emerging from the monitoring large structural, including SOFO system, F-P optical fiber sensors, and fiber Bragg grating sensors. The principle, characteristic and application of these three kinds of optical fiber sensors are described together with their future prospects. | WANG Zhao-ying, WU Xing, TIAN He-bin, LI Shi-chen(College of Precision Instrum.and Optoelectron.Eng., Tianjin University, Tianjin 300072, CHN) | 2003 | Semiconductor Photonics and Technology2003，9，2： | 2 |
| 20 | Field Emission Properties of Nitrogen-doped Amorphous Carbon Films显示文摘Nitrogen doped amorphous carbon thin films are deposited on the ceramic substrates coated with Ti film by using direct current magnetron sputtering technique at N 2 and Ar gas mixture atmosphere during deposition. The field emission properties of the deposited films have been investigated. The threshold field as low as 5.93 V/μm is obtained and the maximum current density increases from 4 μA/cm 2 to 20.67 μA/cm 2 at 10.67 V/μm comparing with undoped amorphous film. The results show that nitrogen doping plays an important role in field emission of amorphous carbon thin films. | LI Hui jun, ZHANG Bing lin, YAO Ning, BIAN Chao, MA Bing xian (Dept. of Phys., Zhengzhou University, Zhengzhou 450052, CHN) | 2002 | Semiconductor Photonics and Technology2002，8，4： | 2 |
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