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Producing focused extreme ultraviolet vortex with Fermat-spiral photon sieves: 《PhotoniX》2024年第1期476-483,共8页Junyong Zhang Huaiyu Cui Yuanyuan Liu Xiuping Zhang You Li Dongdi Zhao Yongpeng Zhao Qiwen Zhan; supported by the National Natural Science Foundation of China(NSFC)(62175245,62005066,61875045,62105345,62305220 and 92050202);Shanghai Sailing Program(21YF1453700 and 23YF1429300);Strategic Priority Research Program of Chinese Academy of Sciences(XDA25020302 and XDA25020104).; Extreme ultraviolet(EUV)light is difficult to focus due to strong absorption of most materials.Photon sieves(PS),rather than Fresnel zone plates(FZP),can focus EUV to smaller spot and suppress the higher orders of sec...; 关键词：Extreme ultraviolet focusing Orbital angular momentum Photon sieves Coherent diffraction imaing

Design and micromanufacturing technologies of focused piezoelectric ultrasound transducers for biomedical applications: 《International Journal of Extreme Manufacturing》2024年第6期24-48,共25页Xingyu Bai Daixu Wang Liyun Zhen Meng Cui Jingquan Liu Ning Zhao Chengkuo Lee Bin Yang; National Natural Science Foundation of China(12072189,82171011);Shanghai Jiao Tong University‘Deep Blue Program’Fund(Grant No.SL2103);Project of Biobank(No.YBKB202117)from Shanghai Ninth People’s Hospital;Shanghai Jiao Tong University School of Medicine and Science Foundation of National Key Laboratory of Science and Technology on Advanced Composites in Special Environments(No.6142905223704)。; Piezoelectric ultrasonic transducers have shown great potential in biomedical applications due to their high acoustic-to-electric conversion efficiency and large power capacity.The focusing technique enables the trans...; 关键词：piezoelectric ultrasonic transducers focusing techniques preparation method biomedical applications

Noninvasive high-resolution deep-brain photoacoustic imaging with a negatively focused fiber-laser ultrasound transducer: 《Photonics Research》2024年第12期2996-3005,共10页HEXIANG XU ZITAO CHEN YUHAN WU CHENGTIAN HOU JUN MA BAI-OU GUAN; National Natural Science Foundation of China(62275106,62135006);Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program(2019BT02X105);Natural Science Foundation of Guangdong Province(2022A1515010105,2023A1515011415)。; Noninvasive high-resolution deep-brain imaging is essential to fundamental cognitive process study and neuroprotective drugs development.Although optical microscopes can resolve fine biological structures with good co...; 关键词：FIBER scattering resolution

Ultra-high-aspect-ratio structures through silicon using infrared laser pulses focused with axicon-lens doublets被引量：1: 《Light(Advanced Manufacturing)》2024年第3期1-15,共15页Niladri Ganguly Pol Sopena David Grojo; conducted using LaMP facilities at LP3.The project received funding from the French National Research Agency(ANR-22-CE92-0057-0,KiSS project)and the European Union’s Horizon 2020 research and innovation program under grant agreements No.101034324(MSCA-COFUND)and No.724480(ERC).; We describe how a direct combination of an axicon and a lens can represent a simple and efficient beam-shaping solution for laser material processing applications.We produce high-angle pseudo-Bessel micro-beams at 155...; 关键词：Beam-shaping Infrared ultrafast laser Silicon processing Through-silicon-via

On the Path to High-Temperature Josephson Multi-Junction Devices: 《Electromagnetic Science》2024年第3期71-78,共8页Xu Wang Fucong Chen Zefeng Lin Shibing Tian Chunguang Li Victor Kornev Nikolay Kolotinskiy; supported by the National Key R&D Program of China(Grant No.2022YFA1603900);in part by the Russian Science Foundation(RSCF)(Grant No.19-72-10016-P).; We report our progress in the high-temperature superconductor(HTS)Josephson junction fabrication process founded on utilizing a focused helium ion beam damaging technique and discuss the expected device performance at...; 关键词：Josephson junctions High-temperature superconductors YBa_(2)Cu_(3)O_(7-x)(YBCO) Focused helium ion beam fabrication technique Josephson multi-junction devices Superconducting quantum interference device Active electrically small antenna

Half-integer Shapiro steps in MgB_(2) focused He ion beam Josephson junctions: 《Chinese Physics B》2024年第8期483-489,共7页殷大利蔡欣炜徐铁权孙瑞宁韩颖张焱王越甘子钊; supported by the National Natural Science Foundation of China (Grant No.12104016);the National Key Research and Development Program of China (Grant No.2020YFF01014706)。; Half-integer microwave induced steps(Shapiro steps)have been observed in many different Josephson junction systems,which have attracted a lot of attention because they signify the deviation of current phase relation(C...; 关键词：Josephson junction half-integer Shapiro steps MgB_(2) focused helium ion beam

Co-doped BaFe_(2)As_(2) Josephson junction fabricated with a focused helium ion beam被引量：1: 《Chinese Physics B》2024年第4期181-186,共6页陈紫雯张焱马平徐中堂李宇龙王越路建明马衍伟甘子钊; Project supported by the National Key Research and Development Program of China (Grant Nos.2020YFF01014706 and 2017YFC0601901);the National Natural Science Foundation of China (Grant Nos.61571019 and 52177026)。; Josephson junction plays a key role not only in studying the basic physics of unconventional iron-based superconductors but also in realizing practical application of thin-film based devices,therefore the preparation ...; 关键词：focused helium ion beam Co doped BaFe_(2)As_(2) Josephson junction

A toroidal SAW gyroscope with focused IDTs for sensitivity enhancement: 《Microsystems & Nanoengineering》2024年第2期47-56,共10页Lu Tian Haitao Zhao Qiang Shen Honglong Chang; supported by the Natural Science Basic Research Plan in Shaanxi Province of China(Program No.2023JC-XJ-07);the National Key Research and Development Program of China(No.2018YFB2002602);the National Natural Science Foundation of China(No.52375577 and No.52075454).; A surface acoustic wave(SAW)gyroscope measures the rate of rotational angular velocity by exploiting a phenomenon known as the SAW gyroscope effect.Such a gyroscope is a great candidate for application in harsh enviro...; 关键词：ANGULAR DEFLECTION GYROSCOPE

Properties of focused Laguerre–Gaussian beam propagating in anisotropic ocean turbulence被引量：1: 《Chinese Physics B》2024年第2期386-393,共8页王新光马洋斌袁邱杰陈伟王乐赵生妹; This work was supported by the Science and Technology Innovation Training Program of Nanjing University of Posts and Telecommunications(Grant No.CXXZD2023080);the National Natural Science Foundation of China(Grant Nos.61871234 and 62001249);the Natural Science Foundation of Nanjing University of Posts and Telecommunications(Grant No.NY222133);the Open Research Fund of National Laboratory of Solid State Microstructures(Grant No.M36055).; We analyze the properties of a focused Laguerre–Gaussian(LG)beam propagating through anisotropic ocean turbulence based on the Huygens–Fresnel principle.Under the Rytov approximation theory,we derive the analytical ...; 关键词：vortex beam orbital angular momentum focusing mirror anisotropic turbulence

Collision off-axis position dependence of relativistic nonlinear Thomson inverse scattering of an excited electron in a tightly focused circular polarized laser pulse: 《Chinese Physics B》2024年第1期344-354,共11页王禹博杨青屿常一凡林宗熠田友伟; Project supported by the National Natural Science Foundation of China (Grant Nos.10947170/A05 and 11104291);the Natural Science Fund for Colleges and Universities in Jiangsu Province (Grant No.10KJB140006);the Natural Sciences Foundation of Shanghai (Grant No.11ZR1441300);the Natural Science Foundation of Nanjing University of Posts and Telecommunications (Grant No.NY221098);the Jiangsu Qing Lan Project for their sponsorship。; This paper presents a novel view of the impact of electron collision off-axis positions on the dynamic properties and relativistic nonlinear Thomson inverse scattering of excited electrons within tightly focused, circ...; 关键词：relativistic nonlinear Thomson inverse scattering off-axis collision radiation angle distribution tightly focused laser pulse

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