SPECKLE

作品数：233被引量：366H指数：9
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Design, setup, and facilitation of the speckle structured illumination endoscopic system
《Opto-Electronic Science》2025年第3期17-28,共12页Elizabeth Abraham Zhaowei Liu 
Structured illumination,a wide-field imaging approach used in microscopy to enhance image resolution beyond the system's diffraction limits,is a well-studied technique that has gained significant traction over the las...
关键词：speckle imaging endoscopic add-on colon phantom clinical translation 
Speckle-free laser display enabled by self-assembled supraparticles of semiconductor nanoplatelets
《Nano Research》2025年第2期769-775,共7页Chenlin Wang Haixiao Zhao Xian Zhao Baoqing Sun Yuan Gao 
This work was financially supported by the National Natural Science Foundation of China(No.62205180);the Natural Science Foundation of Shandong Province(No.ZR2022QF029);the Taishan Scholar Program of Shandong Province(Young Scientist).
Laser-based light sources are highly desirable for display applications due to their narrow emission linewidth and exceptional brightness.However,the coherence inherent in lasers often leads to the formation of unwant...
关键词：CDSE nanoplatelet SELF-ASSEMBLY cavity coupled random lasing speckle-free display 
Speckle-free holography with a diffraction-aware global perceptual model
《Photonics Research》2024年第11期2418-2423,共6页YIRAN WEI YIYUN CHEN MI ZHOU MU KU CHEN SHUMING JIAO QINGHUA SONG XIAO-PING ZHANG ZIHAN GENG 
National Natural Science Foundation of China(62305184);Science,Technology and Innovation Commission of Shenzhen Municipality(WDZC20220818100259004);Basic and Applied Basic Research Foundation of Guangdong Province(2023A1515012932);The Research Grants Council of the Hong Kong Special Administrative Region,China(C5031-22G;City U11310522,City U11300123);Department of Science and Technology of Guangdong Province(2020B1515120073);City University of Hong Kong(9610628);Shenzhen Key Laboratory of Ubiquitous Data Enabling(ZDSYS20220527171406015);Tsinghua Shenzhen International Graduate School-Shenzhen Pengrui Endowed Professorship Scheme of Shenzhen Pengrui Foundation。
Computer-generated holography(CGH)based on neural networks has been actively investigated in recent years,and convolutional neural networks(CNNs)are frequently adopted.A convolutional kernel captures local dependencie...
关键词：process CONVOLUTION KERNEL 
Non-invasive estimation of the powder size distribution from a single speckle image
《Light(Science & Applications)》2024年第10期2221-2230,共10页Qihang Zhang Ajinkya Pandit Zhiguang Liu Zhen Guo Shashank Muddu Yi Wei Deborah Pereg Neda Nazemifard Charles Papageorgiou Yihui Yang Wenlong Tang Richard D.Braatz Allan S.Myerson George Barbastathis 
the following funding support:Millennium Pharmaceuticals,Inc.(a subsidiary of Takeda Pharmaceuticals)D824-MT15;National Research Foundation,Singapore,Intra-Create thematic grant NRF2019-THE002-0006.
Non-invasive characterization of powders may take one of two approaches:imaging and counting individual particles;or relying on scattered light to estimate the particle size distribution(PSD)of the ensemble.The former...
关键词：SPECKLE SIZE DISTRIBUTION 
Neuromorphic encryption:combining speckle correlography and event data for enhanced security
《Advanced Photonics Nexus》2024年第5期38-47,共10页Shuo Zhu Chutian Wang Jianqing Huang Pei Zhang Jing Han Edmund Y.Lam 
supported by the Research Grants Council of Hong Kong(GRF 17201620);ACCESS—AI Chip Center for Emerging Smart Systems,sponsored by InnoHK funding,Hong Kong,China,the National Natural Science Foundation of China(Grant Nos.62031018 and 61971227);Hong Kong Scholars Program(Grant No.XJ2022032).
Leveraging an optical system for image encryption is a promising approach to information security since one can enjoy parallel,high-speed transmission,and low-power consumption encryption features.However,most existin...
关键词：optical encryption computational neuromorphic imaging speckle correlography deep learning 
Imaging through scattering layers using a near-infrared low-spatial-coherence fiber random laser
《Chinese Physics B》2024年第10期226-232,共7页Anda Shi Zeyu Wang Chenxi Duan Zhao Wang Weili Zhang 
supported by the National Natural Science Foundation of China(Grant Nos.62375040 and 11974071);the Sichuan Science and Technology Program(Grant Nos.2022ZYD0108 and 2023JDRC0030).
Optical memory effect-based speckle-correlated technology has been developed for reconstructing hidden objectsfrom disordered speckle patterns,achieving imaging through scattering layers.However,the lighting efficienc...
关键词：fiber random laser speckle-correlated imaging scattering medium spatial coherence 
Long-term Speckle Interferometric Monitoring of Binary Systems:2007–2023Positional Measurements and Orbits of Seven Objects
《Research in Astronomy and Astrophysics》2024年第9期147-155,共9页Arina Mitrofanova Vladimir Dyachenko Anatoly Beskakotov Yuri Balega Alexander Maksimov Denis Rastegaev 
the financial support of grant No.075-15-2022-262(13.MNPMU.21.0003)of the Ministry of Science and Higher Education of the Russian Federation。
The results of seventeen years of speckle interferometric monitoring of seven objects(Chara 122Aa,GJ 3010,HIP1987,GJ 3076,HIP 11253,HIP 11352,and HIP 14929)are presented.Observational data were obtained at the 6 m Big...
关键词：techniques:high angular resolution (stars:)binaries:visual stars:fundamental parameters stars:low-mass stars:solar-type 
Image reconstruction through a nonlinear scattering medium via deep learning
《Photonics Research》2024年第9期2047-2055,共9页SHUO YAN YIWEI SUN FENGCHAO NI ZHANWEI LIU HAIGANG LIU XIANFENG CHEN 
National Natural Science Foundation of China(12192252,12374314);National Key Research and Development Program of China(2023YFA1407200).
Image reconstruction through the opaque medium has great significance in fields of biophotonics,optical imaging,mesoscopic physics,and optical communications.Previous researches are limited in the simple linear scatte...
关键词：PROCESS NONLINEAR SPECKLE 
Multimode fiber speckle Stokes polarimeter
《Advanced Photonics Nexus》2024年第4期110-117,共8页Yuxuan Xiong Ting Jiang Hao Wu Zheng Gao Shaojun Zhou Zhao Ge Siqi Yan Ming Tang 
supported by the National Key Research and Development Program of China(Grant No.2021YFB2800902);the National Natural Science Foundation of China(Grant No.62225110);the Key Research and Development Program of Hubei Province(No.2022BAA001);the Innovation Fund of WNLO.
The detection of the state of polarization(SOP)of light is essential for many optical applications.However,cost-effective SOP measurement is a challenge due to the complexity of conventional methods and the poor trans...
关键词：multimode fiber state of polarization POLARIMETER 
Integrated spatial-temporal random speckle spectrometer with high resolution in the C-band
《Photonics Research》2024年第7期1556-1563,共8页SHIBO XU JIAHUI ZHANG JUNWEI CHENG JIANJI DONG 
National Natural Science Foundation of China(U21A20511);Innovation Project of Optics Valley Laboratory (OVL2021BG001)。
The increasing demand for diverse portable high-precision spectral analysis applications has driven the rapid development of spectrometer miniaturization. However, the resolutions of existing miniaturized spectrometer...
关键词：SPECKLE RANDOM RESOLUTION 
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