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SPECTRA: 作品数：1136被引量：1441H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨世学刘宇明何荣幸胡超陈颖更多>>; 相关机构：中国科学院广州海洋地质调查局东南大学上海交通大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Influence of sampling on three-dimensional surface shape measurement: 《中国光学（中英文）》2024年第6期1512-1520,共9页QIAO Nao-sheng Shang Xue; 湖南省教育厅科学研究重点项目(No.22A0484);国家自然科学基金(No.12104150)。; In order to accurately measure an object’s three-dimensional surface shape,the influence of sampling on it was studied.First,on the basis of deriving spectra expressions through the Fourier transform,the generation o...; 关键词：three-dimensional surface shape measurement sampling interval spectra overlapping measurement accuracy

Snapshot coherent diffraction imaging across ultra-broadband spectra: 《Photonics Research》2024年第9期2068-2077,共10页BOYANG LI ZEHUA XIAO HAO YUAN PEI HUANG HUABAO CAO HUSHAN WANG WEI ZHAO YUXI FU; National Key Research and Development Program of China(2022YFE0111500);Young Scientist Basic Research Program of the Chinese Academy of Sciences(YSBR-091);Natural Science Basic Research Program of Shaanxi Province(2019JCW-03);Major Science and Technology Infrastructure Pre-research Program of the CAS(J20-021-III);Key Deployment Research Program of XIOPM(S19-020-III);Innovation Team in Shaanxi Province(2021TD-01);Youth Innovation Promotion Association of the Chinese Academy of Sciences(2021404);International Partnership Program of Chinese Academy of Sciences(115GJHZ2023023FN).; Ultrafast imaging simultaneously pursuing high temporal and spatial resolution is a key technique to study the dynamics in the microscopic world.However,the broadband spectra of ultra-short pulses bring a major challe...; 关键词：COHERENT thereby SPECTRA

Rotational Doppler effect of composite vortex beams with tailored OAM spectra: 《Photonics Research》2024年第8期1665-1672,共8页YUTIAN LIANG RUIJIAN LI JIE ZHAO XINGYUAN LU TONG LIU ZHENGLIANG LIU YUAN REN CHENGLIANG ZHAO; National Natural Science Foundation of China(61805283,62173342)。; There recently has been increasing interest in the research and application of the rotational Doppler effect(RDE),which paves a promising way to detect rotating objects remotely.In order to obtain more information abo...; 关键词：OAM COMPOSITE ROTATING

Development and Application of Ultrafast Circular Dichroism Spectroscopy Techniques: 《Chinese Journal of Chemical Physics》2024年第4期449-460,I0093,共13页Tong Cui Menghui Jia Peicong Wu Ke Hu Xueli Wang Sanjun Zhang Haifeng Pan Jinquan Chen; funded by the National Natural Science Foundation of China(No.92156024and No.92356307 to Jinquan Chen);Menghui Jia thanks the Materials Characterization Center and the Office of Laboratory and Equipment of East China Normal University for funding support(ECNUETR2023-13).; Chirality hold broad applications in life sciences,quantum devices,and various other areas.Traditionally,molecular chirality can be characterized by using steady-state circular dichroism spectroscopy.However,the techn...; 关键词：Excited state chirality Femtosecond time-resolved circular dichroism spectroscopy Ultrafast dynamics Chiral spectra

Breaking the speed limitation of wavemeter through spectra-space-time mapping: 《Light(Advanced Manufacturing)》2024年第2期33-40,共8页Zheng Gao Ting Jiang Mingming Zhang Yuxuan Xiong Hao Wu Ming Tang; supported by the National Key Research and Development Program of China(2021YFB2800902);National Natural Science Foundation of China(61931010,62225110);Hubei Province Key Research and Development Program(2020BAA006).; Speckle patterns generated by the intermodal interference of multimode fibers enable accurate broadband wavelength measurements.However,the measurement speed is limited by the frame rate of the camera that captures th...; 关键词：SPEED Wavemeters SPECTRA

Polarization-entangled photon pairs with factorable spectra engineered by using an uneven four-stage nonlinear interferometer: 《Chinese Optics Letters》2024年第5期106-110,共5页崔亮陈浩然李嘉敏李小英; supported by the National Natural Science Foundation of China (Nos.12074283,91836302,11874279,and 62305240); We report the generation of polarization-entangled photon pairs in the 1550 nm band by pumping an uneven nonlinear interferometer loop with two orthogonally polarized counterpropagating pump pulses.The uneven nonlinea...; 关键词：polarization-entangled photon pairs nonlinear interferometer quantum state engineering optical fiber

Deep learning for determining pure isotropic proton spectra from solidstate spectra: 《Magnetic Resonance Letters》2024年第1期63-64,共2页Mengjie Qiu Zhong Chen Yanqin Lin; This work was partially supported by the National Natural Science Foundation of China(Grants 22174118 and 22374124).; Recently,an article on ^(1)H solid-state NMR spectra was published,in which the authors proposed a deep learning approach to infer the pure isotropic proton NMR spectra obtained at an infinite magic angle spinning(MAS...; 关键词：SPECTRA ISOTROPIC STATE

Engineering the spectra of photon triplets generated from micro/nanofiber: 《Chinese Physics B》2024年第3期408-414,共7页瞿川郭东琴李笑笑刘振旗赵义张胜海卫正统; Project supported by the National Natural Science Foundation of China(Grant No.61605249);the Science and Technology Key Project of Henan Province of China(Grant Nos.182102210577 and 232102211086).; Quantum light sources are the core resources for photonics-based quantum information processing.We investigate the spectral engineering of photon triplets generated by third-order spontaneous parametric down-conversio...; 关键词：photon triplets micro/nanofiber spectrum engineering

Spectra 30000型双空压机并网防喘振系统的研发: 《深冷技术》2023年第2期31-34,共4页张彦全; 两台空压机并网工作时,应有各自的防喘振调节装置。介绍了双空压机并网操作规程,搭建相应的软件结构模式进行防喘振处理和操作,并提出其中的关键技术,保证空压机稳定运行。; 关键词：离心压缩机喘振双空压机并网控制软件关键技术

Multi-foci metalens for spectra and polarization ellipticity recognition and reconstruction被引量：14: 《Opto-Electronic Science》2023年第3期7-16,共10页Hui Gao Xuhao Fan Yuxi Wang Yuncheng Liu Xinger Wang Ke Xu Leimin Deng Cheng Zeng Tingan Li Jinsong Xia Wei Xiong; We are grateful for financial supports from National Key Research and Development Program of China(Grant No.2021YFF0502700);National Natural Science Foundation of China(Grant Nos.52275429,62205117,61835008);Knowledge Innovation Program of Wuhan-Shuguang,Innovation project of Optics Valley Laboratory(Grant No.OVL2021ZD002);Hubei Provincial Natural Science Foundation of China(Grant Nos.2020CFA004,2022CFB792).; Multispectral and polarized focusing and imaging are key functions that are vitally important for a broad range of optical applications.Conventional techniques generally require multiple shots to unveil desired optica...; 关键词：metalens multispectral imaging polarized imaging spectra and polarization reconstruction

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