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| 1 | An investigation of the properties of Mg-Zn-Al alloys显示文摘 | Zhang Zhan Couture Alain Luo Alan | 1998 | Scripta Materialia1998，39，1： | 1 |
| 2 | Dubinsky, A conceptual model of perceived customer value in ecommerce :A preliminary investigation 显示文摘 | Zhan Chen&alan J | 2003 | Psychology & Marketing2003，，20： | 1 |
| 3 | An investigation of the properties of Mg-Zn-Al alloy显示文摘 | ZHANG Zhan COUTURE Alain LUO Alan | 1998 | Scripta Materialia1998，，2： | 1 |
| 4 | The sedimentary records of HCH and DDT in the Pearl River estuary, South China 显示文摘 | Zhan g Andrew P Alan H | 2002 | Environmental Science and Technology2002，36，： | 1 |
| 5 | An investigation of the properties of Mg-Zn-Al alloys显示文摘 | Zhan Zhang Alain Couture Alan Luo | 1998 | Scripta Materialia1998，，1： | 1 |
| 6 | An investigation of the properties of Mg-Zn-Al alloys显示文摘 | Zhang Zhan Alain Couture Alan Couture Luo | 1998 | Scripta Materialia1998，39，1： | 1 |
| 7 | Fast extended depth of focus meta-optics for varifocal functionality显示文摘Extended depth of focus(EDOF)optics can enable lower complexity optical imaging systems when compared to active focusing solutions.With existing EDOF optics,however,it is difficult to achieve high resolution and high collection efficiency simultaneously.The subwavelength spacing of scatterers in a meta-optic enables the engineering of very steep phase gradients;thus,meta-optics can achieve both a large physical aperture and a high numerical aperture.Here,we demonstrate a fast(f/1.75)EDOF meta-optic operating at visible wavelengths,with an aperture of 2 mm and focal range from 3.5 mm to 14.5 mm(286 diopters to 69 diopters),which is a 250×elongation of the depth of focus relative to a standard lens.Depth-independent performance is shown by imaging at a range of finite conjugates,with a minimum spatial resolution of∼9.84μm(50.8 cycles/mm).We also demonstrate operation of a directly integrated EDOF meta-optic camera module to evaluate imaging at multiple object distances,a functionality which would otherwise require a varifocal lens. | James E.M.Whitehead Alan Zhan Shane Colburn Luocheng Huang Arka Majumdar | 2022 | Photonics Research2022，10，3： | 0 |
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