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5篇 您的检索式:作者名="Cai Haogang"
    题名 作者 年代 出处 被引量
1Inverse design of metasurfaces with non-local interactions显示文摘Conventional metasurfaces have demonstrated efficient wavefront manipulation by using thick and high-aspect-ratio nanostructures in order to eliminate interactions between adjacent phase-shifter elements.Thinner-than-wavelength dielectric metasurfaces are highly desirable because they can facilitate fabrication and integration with both electronics and mechanically tunable platforms.Unfortunately,because their constitutive phase-shifter elements exhibit strong electromagnetic coupling between neighbors,the design requires a global optimization methodology that considers the non-local interactions.Here,we propose a global evolutionary optimization approach to inverse design non-local metasurfaces.The optimal designs are experimentally validated,demonstrating the highest efficiencies for the thinnest transmissive metalenses reported to-date for visible light.In a departure from conventional design methods based on the search of a library of pre-determined and independent meta-atoms,we take full advantage of the strong interactions among nanoresonators to improve the focusing efficiency of metalenses and demonstrate that efficiency improvements can be obtained by lowering the metasurface filling factors.Haogang Cai Srilok Srinivasan David A.Czaplewski Alex B.F.Martinson David J.Gosztola Liliana Stan Troy Loeffler Subramanian K.R.S.Sankaranarayanan Daniel López 2020npj Computational Materials2020,,1:2
2Design,simulation and fabrication of a novel contact-enhanced MEMS inertial switch with a movable contact point显示文摘Cai Haogang Ding Guifu Yang Zhuoqing 0,,:1
3Dynamic simulation of a contact-enhanced MEMS inertial switch in Sim- ulink显示文摘YANG Zhuoqing CAI Haogang 2011Microsyst Technol2011,17,8:1
4Design, simulation and fabrication of a novel contact-enhanced MEMS inertial switch with a movable contact point 显示文摘Cai Haogang Ding Guifu Yang Zhuoqing 2008Journal of Micromechanics and Microengineering2008,18,11:1
5A MEMS inertia switch with bridge-type elastic fixed electrode for long duration contact 显示文摘Yang Zhuoqing Ding Guifu Cai Haogang 2008IEEE Transaction on Electron Devices2008,55,9:1
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