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浏览/检索结果: 共38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 Switchable quarter-wave plate and half-wave plate based on phase-change metasurface 期刊论文  OAI收割 IEEE Photonics Journal, 2020, 卷号: 12, 期号: 2, 页码: 4600410-1-10 作者:  Li, Yaru;  Luo, Jun;  Li, Xiong;  Pu, Mingbo;  Ma, Xiaoliang   |  收藏  |  浏览/下载：40/0  |  提交时间：2021/05/11 Actively Tunable  Phase-change Metasurface  Quarter-wave Plate  Half-wave Plate   Phase delay error analysis of wave plate of division-of-amplitude full Stokes simultaneous polarization imaging system 期刊论文  OAI收割 ACTA PHYSICA SINICA, 2019, 卷号: 68, 期号: 2, 页码: 13 作者:  Yin Yu-Long;  Sun Xiao-Bing;  Song Mao-Xin;  Chen Wei;  Chen Fei-Nan   |  收藏  |  浏览/下载：21/0  |  提交时间：2020/03/31 polarization imaging  wave plate  phase delay error  Stokes vector   Investigation of thermal management for lithium-ion pouch battery module based on phase change slurry and mini channel cooling plate 期刊论文  OAI收割 ENERGY, 2019, 卷号: 167, 页码: 561-574 作者:     |  收藏  |  浏览/下载：77/0  |  提交时间：2020/10/29 Phase change slurry  Cooling plate  Battery thermal management  Dimensionless empirical formula   Thermal management performances of PCM/water cooling-plate using for lithium-ion battery module based on non-uniform internal heat source 期刊论文  OAI收割 APPLIED THERMAL ENGINEERING, 2017, 卷号: 126, 页码: 17-27 作者:  Bai, Fanfei;  Chen, Mingbiao;  Song, Wenji;  Feng, Ziping;  Li, Yongliang   |  收藏  |  浏览/下载：62/0  |  提交时间：2018/09/04 Phase Change Material  Water Cooling-plate  Battery Thermal Management  Simulation   Wide Field-of-view and Broadband Terahertz Beam Steering Based on Gap Plasmon Geodesic Antennas 期刊论文  OAI收割 Scientific Reports, 2017, 卷号: 7 作者:  Liu, Kaipeng;  Guo, Yinghui;  Pu, Mingbo;  Ma, Xiaoliang;  Li, Xiong   |  收藏  |  浏览/下载：23/0  |  提交时间：2018/11/20 ORBITAL ANGULAR-MOMENTUM  PHASE-CHANGE MATERIAL  QUARTER-WAVE PLATE  SURFACE  GUIDES  PLANAR  LIGHT  LENS  METASURFACES  COLLIMATION   Large scale manipulation of the dark spot by phase modulation of azimuthally polarized light 期刊论文  OAI收割 OPTICS COMMUNICATIONS, 2015, 卷号: 349, 页码: 125-131 作者:  Chen, Weiguo;  Wang, Jiong;  Zhao, Zeyu;  Wang, Changtao;  Wang, YanQin 收藏  |  浏览/下载：27/0  |  提交时间：2015/09/21 Binary phase plate  Azimuthally polarized light  Size-tunable dark spot   Lightweight design of large scale theodolite's turntable based on topology optimization of continuum structure (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:  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y. 收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25 In order to solve the problem that the weight of large scale theodolite's casting or steel plate welded structure is too heavy  lightweight design of large scale turntable based on topology optimization of continuum structure is investigated. Topology optimization could have better optimization efficiency because it can provide the optimized distribution of material and gain optimized structure in conceptual design phase of the structural design. In order to obtain lightweight and high stiffness structure  a truss turntable based on topology optimization of continuum structure is presented  and the validity of this lightweight structure is examined by finite element analysis. Comparing to the traditional welding steel turntable  the lightweight turntable  without changing the static displacement  can lose 386.48 kg(lightweight ratio is 26.7%)  and its first-order natural frequency raises from 167.02Hz to 173.71Hz. Meanwhile  in other aspects this turntable also has better performance than traditional structure. 2012 IEEE.   The design of computer-generated holograms for testing unsymmetrical optical surfaces (EI CONFERENCE) 会议论文  OAI收割 2012 International Symposium on Photonics and Optoelectronics, SOPO 2012, May 21, 2012 - May 23, 2012, Shanghai, China 作者:  Zhang X.;  Zhang Y.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25 It is a technical difficulty to test the unsymmtrical optical surfaces in non-contact methods. But we can do it using computer-generated holograms (CGH). The principle and design of the CGH have been discussed in the paper. Take the cubic suface as an example  The order separation of the CGH is analyzed theoretically and the simulation result of the order separation is given in the paper. We develop the binary process of the continuous CGH phase function and get the sample of the amplitude CGH. A CGH for testing a cubic phase plate with duty cycle 0.5 is fabricated by using e-beam lithographic techniques. In this situation  the contrast of the interference fringe pattern can achieve a level of 99.4% by calculation. 2012 IEEE.   Surface statistical characteristics and smoothing analysis of continuous phase plate 期刊论文  OAI收割 OPTIK, 2012, 卷号: 123, 期号: 22, 页码: 2062-2067 作者:  Zhang, Dazhi;  Wan, Yongjian;  Zhang, Rongzhu;  Lin, Zhongxiao 收藏  |  浏览/下载：25/0  |  提交时间：2015/07/10 Ergodicity  Continuous phase plate  Beam smoothing   Mechanism of STED microscopy and analysis of the factors affecting resolution (EI CONFERENCE) 会议论文  OAI收割 6th International Symposium on Precision Engineering Measurements and Instrumentation, August 8, 2010 - August 11, 2010, Hangzhou, China Yang P.; Ai H. 收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25 Stimulated emission depletion (STED) microscopy exploits nonlinear saturable optical transition of fluorescent molecules  allowed to overcome Abbe's diffraction-limit and provides diffraction-unlimited resolution in far-field optical microscopy. We elaborate the mechanism of STED and the conditions of depletion. The formula of STED microcopy resolution is deduced through effective point spread function (E-PSF). The STED system resolution is mainly dominated by the quality of the fluorescence depletion patterns in the focal plane. The depletion pattern is mainly affected by STED beam intensity  polarization  phase plate  primary aberrations  STED pulse shape  pulse duration and delay time. In this paper  we found related models and simulate the relationship between the depletion patterns and the parameters  and put forward effective approach to enhance the system resolution. 2010 SPIE.