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| 1 | Helicity dependent directional surface plasmon polariton excitation using a metasurface with interfacial phase discontinuity显示文摘Surface plasmon polaritons(SPPs)have been widely exploited in various scientific communities,ranging from physics,chemistry to biology,due to the strong confinement of light to the metal surface.For many applications,it is important that the free space photon can be coupled to SPPs in a controllable manner.In this Letter,we apply the concept of interfacial phase discontinuity for circularly polarizations on a metasurface to the design of a novel type of polarization-dependent SPP unidirectional excitation at normal incidence.Selective unidirectional excitation of SPPs along opposite directions is experimentally demonstrated at optical frequencies by simply switching the helicity of the incident light.This approach,in conjunction with dynamic polarization modulation techniques,opens gateway towards integrated plasmonic circuits with electrically reconfigurable functionalities. | Lingling Huang Xianzhong Chen Benfeng Bai Qiaofeng Tan Guofan Jin Thomas Zentgraf Shuang Zhang | 2013 | Light(Science & Applications)2013，2，1： | 31 |
| 2 | Single-row laser beam with energy strengthened ends for continuous scanning laser surface hardening of large metal components显示文摘For laser surface hardening of metal components with large superficies,a binary grating is proposed to generate single-row laser beam with proportional-intensity diffractive orders.To obtain a uniform hardened band distribution and improve the wear resistance of the sample surface,the binary grating is designed to produce single-row laser beam with energy strengthened at the two ends.The profile of the laser beam spot was designed to be strip with high length-width ratio to improve the machining efficiency of the hardening of large surfaces.A new advantage is suggested to obtain proportional intensity spots with evenness.The design results show that the diffractive efficiency of the binary grating is more than 70%,and the uniformity is less than 3%.The surface profile of the grating fabricated was measured,which shows that the fabrication error is less than 2%.The application of the binary grating in the laser surface hardening of metal components with large superficies is experimentally investigated,and the results show that the hardness distribution of the modified layer is more uniform than that hardened by Gaussian laser beam or array spots with equal intensity distribution. | LI ShaoXia YU Gang ZHANG JingChuan TAN QiaoFeng XU NingHan SUN PeiPei ZHENG CaiYun | 2013 | Science China(Physics,Mechanics & Astronomy)2013，56，6： | 3 |
| 3 | Quasi-Dammann grating with proportional intensity of array spots for surface hardening of metal显示文摘For surface hardening of metal,a quasi-Dammann grating (QDG) is proposed and fabricated to generate array spots with proportional-intensity distribution.To get uniformly hardened band distribution and improve the wear resistance of the sample surface,a three-order QDG is designed to produce array spots with enhanced intensity in the edge.The design and fabrication of the QDG are described in detail.The surface profile of the fabricated grating was measured,which shows that the fabrication error is less than 2%.The laser beam intensity distribution shaped by the QDG was tested by a laser beam analyzer to verify the validity of the QDG.The application of the QDG in the laser surface hardening of metal was experimentally investigated,and the results show that the hardness distribution of the modified layer and the wear resistance of the sample surface are improved significantly by using the QDG. | LI ShaoXia TAN QiaoFeng YU Gang WANG HengHai JIN GuoFan | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，1： | 2 |
| 4 | An optoelectronic hybrid system proposed for iris pattern recognition显示文摘 | De Cai Qiaofeng Tan Yingbai Yan | 2004 | SPIE2004，5557，： | 1 |
| 5 | Multi- sample parallel estimation in volume holographic correlator for remote sensing image recognition 显示文摘 | Wang Shunli Tan Qiaofeng Cao Liangcai | 2009 | Opt Express2009，17，21： | 1 |
| 6 | Statistic analysis of influence of phase distortion on diffractive optical element for beam smoothing显示文摘 | Tan Qiaofeng Yan Yingbai Jin Guofan | 2004 | Opt Lett2004，12，14： | 1 |
| 7 | Focusing of high- order axially symmetric polarized beams 显示文摘 | Zhou Zhehai Tan QIaofeng Jin Guofan | 2009 | Chinese Op- tics Letters2009，10，12： | 1 |
| 8 | Influence of spectral dispersion parameters on the beam smoothing performance of a diffractive optical element 显示文摘 | Qiaofeng Tan Yingbai Yan Guofan Jin | 2006 | Optik2006，117，3： | 1 |
| 9 | Miniaturized structured illumination microscopy with diffractive optics显示文摘Structured illumination microscopy(SIM)is an advanced microscope system that provides superresolution capability with excellent imaging speed,which has become a practical tool for live-cell imaging.However,the bulky size is blocking the application of SIM in wider study fields and scenarios.Here,we developed a miniaturized SIM(Mini SIM)system that provided periodic illumination using a diffractive optical element(DOE)for the first time.This optimized phase-only DOE generated the two-dimensional sinusoidal illumination by optical Fourier transform with an illuminating objective lens,which substantially simplified and miniaturized the illumination system.We built up a Mini SIM prototype and demonstrated lateral superresolution imaging of fluorescence beads and A549 cell slides.The proposed Mini SIM greatly simplifies the experimental setup and may lead to important applications in bio-imaging. | GUOXUAN LIU NING XU HUAIDONG YANG QIAOFENG TAN GUOFAN JIN | 2022 | Photonics Research2022，10，5： | 1 |
| 10 | Holographic display system of a three-dimensional image with distortion-free magnification and zero-order elimination显示文摘 | Hao Zhang Qiaofeng Tan Guofan Jin | 2012 | Opt Eng2012，51，07： | 1 |
| 11 | Estimation andoptimization of computer-generated hologram in null test offreeform surface显示文摘 | Su Ping Kang Guoguo Tan Qiaofeng | 2009 | Chinese Optical Letter2009，7，12： | 1 |
| 12 | Active coherent control of nanoscale light confinement:Modulation of plasmonic modes and position of hotspots for surface-enhanced Raman scattering detection显示文摘Multistep plasmonic nanostructures can induce the deep modulation ofelectromagnetic-field interactions on the nanoscale for positioning hotspots,and this generation of enhanced fields is important in many optical applications.In this article, a new strategy is proposed for fabricating a plasmonic double-stacked nanocone (DSC) nanostructure. In the DSC structure, a tunable plasmonichybrid mode proceeds from the strong coupling of the plasmonic resonance ofa fundamental cavity mode with a localized surface plasmon gap mode. In thenanostructure, the far-field response is deeply modulated and the hottest spotscan be effectively positioned on the top surface of the DSC nanostructure. Acontrollable and cost-effective mask-reconfiguration technique for manufacturingthe multiscale nanostructure is developed, which guarantees the generation ofthe introduced crucial stage on the DSC nanostructure. To evaluate the features ofthe plasmonic resonance, the DSC nanostructure is used as a surface-enhancedRaman scattering (SERS) substrate for detecting 4-mercaptopyridine moleculesunder specific excitation conditions. Its good performance, with an averagemeasured SERS enhancement factor as high as 108, | Zhendong Zhu Qixia Wang Fa Zeng Oubo You Sitian Gao Benfeng Bai Qiaofeng Tan Guofan Jin Qunqing Li Shoushan Fan Wei Li Yushu Shi Xueshen Wang | 2017 | Nano Research2017，10，9： | 0 |
| 13 | Diffractive optical elements 75 years on:from micro-optics to metasurfaces显示文摘Diffractive optical elements(DOEs)are intricately designed devices with the purpose of manipulating light fields by precisely modifying their wavefronts.The concept of DOEs has its origins dating back to 1948 when D.Gabor first introduced holography.Subsequently,researchers introduced binary optical elements(BOEs),including computer-generated holograms(CGHs),as a distinct category within the realm of DOEs.This was the first revolution in optical devices.The next major breakthrough in light field manipulation occurred during the early 21st century,marked by the advent of metamaterials and metasurfaces.Metasurfaces are particularly appealing due to their ultra-thin,ultra-compact properties and their capacity to exert precise control over virtually every aspect of light fields,including amplitude,phase,polarization,wavelength/frequency,angular momentum,etc.The advancement of light field manipulation with micro/nano-structures has also enabled various applications in fields such as information acquisition,transmission,storage,processing,and display.In this review,we cover the fundamental science,cutting-edge technologies,and wide-ranging applications associated with micro/nano-scale optical devices for regulating light fields.We also delve into the prevailing challenges in the pursuit of developing viable technology for real-world applications.Furthermore,we offer insights into potential future research trends and directions within the realm of light field manipulation. | Qiang Zhang Zehao He Zhenwei Xie Qiaofeng Tan Yunlong Sheng Guofan Jin Liangcai Cao Xiaocong Yuan | 2023 | Photonics Insights2023，2，4： | 0 |
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