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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 
Three-dimensional nanoscale vortex line visualization and chiral nanostructure fabrication of tightly focused multi-vortex beams via direct laser writing被引量：1
《Photonics Research》2024年第1期70-77,共8页MENGDI LUO JISEN WEN PENGCHENG MA QIUYUAN SUN XIANMENG XIA GANGYAO ZHAN ZHENYAO YANG LIANG XU DAZHAO ZHU CUIFANG KUANG XU LIU 
National Key Research and Development Program of China(2021YFF0502700);China Postdoctoral Science Foundation(2022M722905);Zhejiang Provincial Ten Thousand Plan for Young Top Talents(2020R52001);Major Program of Natural Science Foundation of Zhejiang Province(LD21F050002);"Pioneer"and"Leading Goose"Research and Development Program of Zhejiang Province(2023C01051,2023C01186)。
Optical singularity is pivotal in nature and has attracted wide interest from many disciplines nowadays,including optical communication,quantum optics,and biomedical imaging.Visualizing vortex lines formed by phase si...
关键词：VORTEX CHIRAL SINGULARITY 
Arbitrary manipulations of focused higher-order Poincare beams by a Fresnel zone metasurface with alternate binary geometric and propagation phases被引量：1
《Photonics Research》2022年第4期1117-1126,共10页XIANGYU ZENG YUQIN ZHANG MANNA GU ZIJUN ZHAN RUIRUI ZHANG YU ZHANG RUI SUN CHANGWEI HE CHUNXIANG LIU CHUANFU CHENG 
National Natural Science Foundation of China(11904212,12004215,62175134).
The manipulation of high-quality vector beams(VBs)with metasurfaces is an important topic and has potential for classical and quantum applications.In this paper,we propose a Fresnel zone(FZ)metasurface with metallic n...
关键词：POINCARE ALTERNATE FRESNEL 
Facilitated tip-enhanced Raman scattering by focused gap-plasmon hybridization被引量：1
《Photonics Research》2020年第2期103-109,共7页HOUKAI CHEN YUQUAN ZHANG YANMENG DAI CHANGJUN MIN SIWEI ZHU XIAOCONG YUAN 
National Natural Science Foundation of China(61427819,91750205,11774256,61805154,61605117);Natural Science Foundation of Guangdong Province(2016A030312010);Leading Talents Program of Guangdong Province(00201505);Science and Technology Innovation Commission of Shenzhen(KQTD2017033011044403,ZDSYS201703031605029,JCYJ20180305125209538,JCYJ2017818144338999)。
Tip-enhanced Raman scattering(TERS)spectroscopy is a nondestructive and label-free molecular detection approach that provides high sensitivity and nanoscale spatial resolution.Therefore,it has been used in a wide arra...
关键词：scattering PLASMON finite 
Optical forces of focused femtosecond laserpulses on nonlinear optical Rayleigh particles被引量：10
《Photonics Research》2018年第2期138-143,共6页LIPING GONG BING GU GUANGHAO RUI YIPING CUI ZHUQING ZHU QIWEN ZHAN 
National Natural Science Foundation of China(NSFC)(11474052,11504049,11774055,61535003);Natural Science Foundation of Jiangsu Province,China(BK20171364);National Key Basic Research Program of China(2015CB352002)
The principle of optical trapping is conventionally based on the interaction of optical fields with linear-induced polarizations. However, the optical force originating from the nonlinear polarization becomes signific...
关键词：（190.3270） Kerr effect （140.7010） Laser trapping （350.4990） Particles （190.7110） Ultrafast nonlinear optics. 
Redistributing the energy flow of tightly focused ellipticity-variant vector optical fields被引量：2
《Photonics Research》2017年第6期159-167,共9页XU-ZHEN GAO YUE PAN GUAN-LIN ZHANG MENG-DAN ZHAO ZHI-CHENG REN CHEN-GHOU TU YONG-NAN LI HUI-TIAN WANG 
National Natural Science Foundation of China(NSFC)(11374166,11534006,11674184);National key research and development program of China(2017YFA0303700,2017YFA0303800);Natural Science Foundation of Tianjin City(16JC2DJC31300)
The redistribution of the energy flow of tightly focused ellipticity-variant vector optical fields is presented.We theoretically design and experimentally generate this kind of ellipticity-variant vector optical field...
关键词：VOF EV Redistributing the energy flow of tightly focused ellipticity-variant vector optical fields 
Optical forces exerted on a graphene-coated dielectric particle by a focused Gaussian beam被引量：1
《Photonics Research》2016年第2期65-69,共5页Yang Yang Zhe Shi Jiafang Li Zhi-Yuan Li 
supported by the National 973 Program of China(Nos.2013CB632704 and 2013CB922404);the National Natural Science Foundation of China(Nos.11374357,61475186,and 11434017)
In this paper, we derive the analytical expression for the multipole expansion coefficients of scattering and interior fields of a graphene-coated dielectric particle under the illumination of an arbitrary optical bea...
关键词：Optical forces exerted on a graphene-coated dielectric particle by a focused Gaussian beam 
Enhanced cell transfection using subwavelength focused optical eigenmode beams[Invited]
《Photonics Research》2013年第1期42-46,共5页Xanthi Tsampoula Michael Mazilu Tom Vettenburg Frank Gunn-Moore Kishan Dholakia 
We show that superoscillating light fields,created using the method of optical eigenmodes,enable more efficient multiphoton-mediated cell transfection.Chinese hamster ovary cells are transfected with a plasmid and exh...
关键词：enable OSCILLATING EIGEN 
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