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浏览/检索结果: 共39条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Analysis and design of voltage doubling rectifier circuit for power supply of neutron source device towards BNCT 期刊论文  OAI收割 NUCLEAR ENGINEERING AND TECHNOLOGY, 2024, 卷号: 56 作者:  Wang, Rixin;  Liang, Lizhen;  Gong, Congguo;  Wang, Longyang;  Tao, Jun   |  收藏  |  浏览/下载：17/0  |  提交时间：2024/11/20 Boron neutron capture therapy  DC high voltage power supply  Voltage doubling rectifier circuit  Output voltage characteristics   Off-axis spectral beam combining of Bragg reflection waveguide photonic crystal diode lasers 期刊论文  OAI收割 Japanese Journal of Applied Physics, 2018, 卷号: 57, 期号: 6, 页码: 4 作者:  Sun, F. Y.;  Wang, L. J.;  Zhao, Y. F.;  Hou, G. Y.;  Shu, S. L.   |  收藏  |  浏览/下载：20/0  |  提交时间：2019/09/17 high-power  external-cavity  array  output  Physics   Yb-doped large-mode-area aluminosilicate laser fibre fabricated by chelate precursor doping technique 期刊论文  OAI收割 electronics letters, 2016, 卷号: 52, 期号: 23, 页码: 1942-u42 作者:  Peng, Kun;  Wang, Zhen;  Zhan, Huan;  Ni, Li;  Gao, Cong 收藏  |  浏览/下载：127/0  |  提交时间：2016/11/22 ytterbium  aluminium compounds  doping  optical fibre fabrication  optical fibre testing  electron probe analysis  secondary ion mass spectroscopy  laser beams  optical fibre amplifiers  AlSiO:Yb  power 1 kW  efficiency 81  0 percent  slope efficiency  laser output  two-stage master oscillator power amplifier system  time-of-flight secondary ion mass spectrometry  electron probe microanalysis  fibre testing  numerical aperture  homogeneous large-core preform  gas flow control system  high-purity materials  chelate precursor doping technique  large mode area aluminosilicate laser fibre   Bipartite output consensus in networked multi-agent systems of high-order power integrators with signed digraph and input noises 期刊论文  OAI收割 INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE, 2016, 卷号: 47, 期号: 13, 页码: 3116-3131 作者:  Ma, Hongwen;  Liu, Derong;  Wang, Ding;  Luo, Biao   |  收藏  |  浏览/下载：39/0  |  提交时间：2016/10/20 Bipartite Output Consensus  High-order  Input Noises  Networked Multi-agent Systems  Power Integrator  Signed Digraph   KW-output high beam quality diode laser array source (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China 作者:  Zhang J.;  Wang L.;  Wang L.;  Wang L.;  Liu Y. 收藏  |  浏览/下载：45/0  |  提交时间：2013/03/25 With the advantages of small volume  light weight  high efficiency and long lifespan  diode laser has been widely applied to industrial processing. Presently  for laser used as processing light source needs to amount to dozens of KW per cm2 of power density  how to increase power output and get smaller light spot for diode laser becomes a key problem. It is introduced that by designing beam shaping by ourselves and making use of optical system for beam blooming and focusing  808nm laser array composed of 20 bars eventually achieves the 1001.5w power output  coupling efficiency at 90%  11mm2 of light spot through experiments  which enables diode laser to be directly applied to cladding  welding and so on. 2012 IEEE.   Computer simulation of thermal focal length of laser crystal and thermally-near-unstable resonator 会议论文  OAI收割 2012 9th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2012, Chongqing, China, MAY 29-31, 2012 作者:  Geng AC(耿爱丛);  Li BH;  Chen XB;  Yang XD;  Yang MJ(杨明江) 收藏  |  浏览/下载：27/0  |  提交时间：2013/02/26 Computer simulation  Fuzzy systems  Lasers  Gain medium  High beam quality  High order mode  High output power  Laser crystals  LD side-pumped  ND : YAG lasers  Output power  Pump power  SIMPLE method  Theoretical prediction  Thermal focal length   Potential sodium D(2) resonance radiation generated by intra-cavity SHG of a c-cut Nd:YVO(4) self-Raman laser 期刊论文  OAI收割 Optics Express, 2011, 卷号: 19, 期号: 7, 页码: 6341-6346 Y. M. Duan; H. Y. Zhu; C. H. Huang; G. Zhang; Y. Wei 收藏  |  浏览/下载：30/0  |  提交时间：2012/06/06 sum-frequency generation  w output power  continuous-wave  wavelength-versatile  high-efficiency  yellow-light  nm light  emission  ndgdvo4   808nm high-power semiconductor laser therapeutic apparatus based on LPC2138 (EI CONFERENCE) 会议论文  OAI收割 2011 IEEE International conference on Intelligent Computation and Bio-Medical Instrumentation, ICBMI 2011, December 14, 2011 - December 17, 2011, Wuhan, Hubei, China 作者:  Wang B.;  Wang B. 收藏  |  浏览/下载：42/0  |  提交时间：2013/03/25 In this paper  we designed an intelligent 808nm high-power semiconductor laser therapeutic apparatus with the LPC2138 ARM processor. The laser is driven by the digital constant current source module  and the apparatus has good human-machine interaction performance on account of set the parameters intelligently. The function such as operation mode  output power  output pulse width and pulse cycle could be easily set through the TFT touch screen. The application software could transmission the log data to the computer by the USB interface in order to check and study the records later. 2011 IEEE.   A 7.5 W quasi-continuous-wave sodium D-2 laser generated from single-pass sum-frequency generation in LBO crystal 期刊论文  OAI收割 APPLIED PHYSICS B-LASERS AND OPTICS, 2011, 卷号: 102, 期号: 4, 页码: 781 Xie, S; Bo, Y; Xu, J; Shen, Y; Wang, P; Wang, Z; Yang, F; Peng, Q; Cui, D; Zhang, J; Xu, Z 收藏  |  浏览/下载：40/0  |  提交时间：2013/09/17 NDYAG RING LASER  HIGH-POWER  532 NM  AMPLIFIER  LIGHT  RADIATION  OUTPUT   Design of driving circuit for binocular CCD image system (EI CONFERENCE) 会议论文  OAI收割 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, April 26, 2010 - April 29, 2010, Dalian, China 作者:  Zhang X.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：49/0  |  提交时间：2013/03/25 The paper designs a driving circuit of high sensitive  wide dynamic and high signal-to-noise ratio for binocular CCD imaging system which adopts a Dalsa-made high resolution full-frame 33-mega pixels area CCD FTF5066M. Inner structure and driving timing of the FTF5066M sensor are presented. Field Programmable Gate Array (FPGA) is used as the main device to accomplish the timing design of the circuits and power driver control of the two sensors. By using the Correlated Double Sampling (CDS) technique  the video noise is reduced and the SNR of the system is increased. A 12- bit A/D converter is used to improve the image quality. The output rate of the imaging system designed with integrated chip can reach to 1.3 frames per second through bi-channel. For its good performance  low power consumption and small volume  the driving system can be applied to aeronautics and astronautics field. With a further improvement  a maximum data output rate of 2.7 frames per second can be reached through all the eight channels of the two CCDs. 2010 Copyright SPIE - The International Society for Optical Engineering.