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浏览/检索结果: 共8条，第1-8条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Design and Modeling Analysis of W Band Electro-Optical Phase Modulator [W波段电光相位调制器的设计与建模分析] 期刊论文 Guangxue Xuebao/Acta Optica Sinica, 2019, 卷号: 39 作者:  Zhao, M.;  He, Y.;  Su, X.;  Tian, Z.;  Niu, F. 收藏  |  浏览/下载：14/0  |  提交时间：2019/12/30 Computer software  Coplanar waveguides  Electromagnetic simulation  Integrated optics  Niobium compounds  Optical instruments  Optical signal processing  Phase modulation  Structural optimization  Coplanar waveguide transmission line  Design and modeling  Electro-optical phase modulators  Geometry structure  High frequency structure simulation  Lithium niobate  Performance matching  W bands  Light modulators   Anomalous Ambipolar Phototransistors Based on All-Inorganic CsPbBr3 Perovskite at Room Temperature 期刊论文 Advanced Optical Materials, 2019, 卷号: 7, 期号: 21, 页码: 9 作者:  Y.T.Zou;  F.Li;  C.Zhao;  J.Xing;  Z.Yu 收藏  |  浏览/下载：2/0  |  提交时间：2020/08/24 charge transport,field effect transistors,mobility,perovskites,phototransistors,field-effect transistors,light-emitting-diodes,halide,perovskites,high-efficiency,mobility,performance,transport,tin,Materials Science,Optics   Recent advances in antireflective surfaces based on nanostructure arrays 期刊论文 materials horizons, 2015 Cai, Jinguang; Qi, Limin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 SOLAR-CELL APPLICATIONS  BROAD-BAND ANTIREFLECTION  HIGH-PERFORMANCE OPTICS  WIDE-ANGLE ANTIREFLECTION  LIGHT-EMITTING-DIODES  TIO2 NANOROD ARRAYS  CDS QUANTUM DOTS  OMNIDIRECTIONAL ANTIREFLECTION  SUBWAVELENGTH STRUCTURES  ABSORPTION ENHANCEMENT   A compact narrowband HTS filter with an extended upper stopband 期刊论文 2010, 2010 Jin, Shichao; Wei, Bin; Zhang, Xiaoping; Cao, Bisong; Guo, Xubo; Peng, Huili; Gao, Baoxin 收藏  |  浏览/下载：1/0 Design of a novel hts open-loop sir filter with the relocation of its second passband 期刊论文 2010, 2010 Jin, Shichao; Wei, Bin; Zhang, Xiaoping; Cao, Bisong; Guo, Xubo; Peng, Huili; Gao, Longma; Gao, Baoxin 收藏  |  浏览/下载：3/0 Manufacture of 1.2m reaction bonded silicon carbide mirror blank CFID (EI CONFERENCE) 会议论文 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, April 26, 2010 - April 29, 2010, Dalian, China Zhang G.; Zhao R.; Zhao W.; Bao J. 收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25 Silicon carbide (SiC) is a new type candidate material for large-scale lightweight space mirror. Its low thermal distortion  high stiffness  fine optical quality and dimensional stability  make SiC an ideal material for large space born telescope. Since ten years Changchun institute optics  fine mechanics and physics (CIOMP) has developed reaction bonded SiC (RB-SiC) technology for space application  and can fabricate RB-SiC mirror with scale less than 1.0 meter for telescope. The green body is prepared with gel-casting method which is an attractive new ceramic forming process for making high-quality  complex-shaped ceramic parts. And then unmolding  drying  binder burning out  reacting bonded  the RB-SiC can be obtained. But with the development of space-born or ground telescope  the scale of primary mirror has exceeded 1.0 meter. So CIOMP has developed an assembly technique which called novel reaction-formed joint technology for larger RB-SiC mirror blank. The steps include joining of green bodies with mixture comprised of SiC particles and phenolic resin etc  firing  machining and sintering. Joining the 1.2 meter RB-SiC mirror blank by the novel reaction-formed joint technology. And testing the welding layer's performance  the results show that the thickness of 54-77m  the microstructure and thermal property can be comparable to the substrate and the mechanical property are excellent in bending strength of 307MPa. 2010 Copyright SPIE - The International Society for Optical Engineering.   Assessment of surface roughness by use of soft x-ray scattering (EI CONFERENCE) 会议论文 Soft X-Ray Lasers and Applications VIII, August 4, 2009 - August 6, 2009, San Diego, CA, United states Yan-li M.; Yong-gang W.; Shu-yan C.; Bo C. 收藏  |  浏览/下载：17/0  |  提交时间：2013/03/25 A soft x-ray reflectometer with laser produced plasma source has been designed  which can work from wavelength 8nm to 30 nm and has high performance. Using the soft x-ray reflectometer above  the scattering light distribution of silicon and zerodur mirrors which have super-smooth surfaces could be measured at different incidence angle and different wavelength. The measurement when the incidence angle is 2 degree and the wavelength is 1 lnm has been given in this paper. A surface scattering theory of soft x-ray grazing incidence optics based on linear system theory and an inverse scattering mathematical model is introduced. The vector scattering theory of soft x-ray scattering also is stated in detail. The scattering data are analyzed by both the methods above respectively to give information about the surface profiles. On the other hand  both the two samples are measured by WYKO surface profiler  and the surface roughness of the silicon and zerodur mirror is 1.3 nm and 1.5nm respectively. The calculated results are in quantitative agreement with those measured by WYKO surface profiler  which indicates that soft x-ray scattering is a very useful tool for the evaluation of highly polished surfaces. But there still some difference among the results of different theory and WYKO  and the possible reasons of such difference have been discussed in detail. 2009 SPIE.   Design of optical elements for imaging the earth's plasmasphere (EI CONFERENCE) 会议论文 International Symposium on Photoelectronic Detection and Imaging, ISPDI 2007: Optoelectronic System Design, Manufacturing, and Testings, September 9, 2007 - September 12, 2007, Beijing, China Wang L.-H.; Wang X.-K.; Chen B. 收藏  |  浏览/下载：22/0  |  提交时间：2013/03/25 Studying the distribution of He+ in Earth's plasmasphere by detecting its resonantly-scattered emission at 304A will record the structure and dynamics of the cold plasma in Earth's plasmasphere on a global scale. EUV imaging systems usually utilizes near normal incidence optics including multilayer mirror and filter. In this paper  the space condition of the Earth's plasmasphere to confirm the expected performance of mirror and filter for this task were analyzed and some guidelines for the design of the optical elements were introduced. In order to achieve higher response at 304A and reduce 584A radiation for the optical system  a new multilayer coating of Mo/Si with UOx (x=2-3) was developed  and it is indicated that promising filter material is Al/C with a nickel mesh. In addition  we compute the reflectance of multilayer mirror based on optical constants and the transmission of the filter based on atomic scattering factor. The results show the multilayer mirror has high reflectance of 26.27% at 304 Aand low reflectance of 0.60% at 584A. Finally  the conversion efficiency of mirror coupled with filter is 6.88% at 304A and 0.01% at 584 A.