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TIME-DOMAIN: 作品数：267被引量：616H指数：11; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：刘强李忠群林君朱凯光嵇艳鞠更多>>; 相关机构：中国科学院天津大学北京航空航天大学吉林大学更多>>; 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高等学校学科创新引智计划国家高技术研究发展计划更多>>

Characterization and tailoring of statistical properties of erbium-doped random fiber lasers: 《Chinese Optics Letters》2024年第12期63-69,共7页Xingyu Bao Shengtao Lin Jiaojiao Zhang Longqun Ni Yifei Qi Anchi Wan Zinan Wang; supported by the National Natural Science Foundation of China(No.62075030);the Ministry of Science and Technology(No.DL2023167001L);the Sichuan Science and Technology Program(No.2023YFSY0058);the 111 Project(No.B14039)。; Statistical properties of the erbium-doped random fiber laser(ERFL)play an important role in studying its physical attributes and advancing profound applications.Thus,there is an obvious need for thorough characteriza...; 关键词：erbium-doped random fiber laser time-domain statistical properties fiber dispersion

High-resolution temporal overlap with proper dispersion compensation for a coherent photocurrent experiment revealed by terahertz time-domain emission spectroscopy: 《Chinese Optics Letters》2024年第11期152-156,共5页Xueqin Cao Fan Wang Leidong Xing Zeyun Wang Yuanyuan Huang Xinlong Xu; supported by the National Natural Science Foundation of China (Nos.12261141662,12074311,and 12374315);the Graduate Research Innovation Program of Northwest University (No.CX2024142)。; Coherent control of terahertz(THz) wave radiation with two-color laser excitation requires good temporal overlap with good dispersion control of both the fundamental(ω) and the second harmonic(2ω). Herein, we experi...; 关键词：terahertz time-domain spectroscopy:temporal overlap dispersion control two-color excitation.

Comparative analysis of temporal-spatial and time-frequency features for pattern recognition of φ-OTDR被引量：1: 《Chinese Optics Letters》2023年第4期1-8,共8页孟凡然张文祥刘晓军刘飞周娴; supported by the Fundamental Research Funds for the Central Universities(No.FRF-TP-20-067A1Z)。; The phase-sensitive time-domain reflectometer [φ-OTDR] has been popularly used for events detection over a long period of time.In this study,the events classification methods based on convolutional neural networks [C...; 关键词：phase-sensitive time-domain reflectometer convolutional neural network temporal-spatial images timefrequency images

Extraction of optical constants in the terahertz band using material dispersion models被引量：2: 《Chinese Optics Letters》2022年第5期38-42,共5页Jian Gu Jiaojiao Ren Dandan Zhang Lijuan Li; This work was supported by the Science and Technology Research Project of the Jilin Provincial Department of Education(No.JJKH20210823KJ)。; This study proposes a method based on material dispersion models to computationally simulate terahertz(THz)time-domain spectroscopy signals.The proposed method can accurately extract the refractive indices and extinct...; 关键词：terahertz time-domain spectrum material optical constant Debye dispersion model

All-fiber pulsed laser Doppler vibrometer development based on time-domain chopping techniques: 《Chinese Optics Letters》2019年第5期26-29,共4页Shisong Wu Yuanyang Li Tao Lv Hongkai Chen Chunhui Yan Tingfeng Wang Jin Guo; supported in part by the National Natural Science Foundation of China(No.61805234);the Foundation of State Key Laboratory of Laser Interaction with Matter(No.SKLLIM1704); A 1550 nm all-fiber pulsed laser Doppler vibrometer (LDV) based on time-domain chopping techniques is developed to overcome demodulation failures caused by multipath interference. The system adopts an adjustable confi...; 关键词：laser Doppler vibrometer(LDV) ALL-FIBER PULSED DEVELOPMENT based

Early-photon guided reconstruction method for time-domain fluorescence lifetime tomography: 《Chinese Optics Letters》2016年第7期85-89,共5页张琳蔡创坚吕衍路罗建文; supported by the National Natural Science Foundation of China(Nos.81227901,81271617,61322101,and 61361160418);the National Major Scientific Instrument and Equipment Development Project of China(No.2011YQ030114); A reconstruction method guided by early-photon fluorescence yield tomography is proposed for time-domain fluorescence lifetime tomography （FLT） in this study. The method employs the early-arriving photons to reconst...; 关键词：FLUORESCENCE Optical transfer function PHOTONS TOMOGRAPHY

Origin of potential errors in the quantitative determination of terahertz optical properties in time-domain terahertz spectroscopy被引量：1: 《Chinese Optics Letters》2015年第9期82-86,共5页梁启军 Gregor Klatt Nico Krau? Oleksii Kukharenko Thomas Dekorsy; the support from the Center for Applied Photonics (CAP) at the University of Konstanz;the DFG through the SFB 767 (Germany);the China Scholarship Council (CSC); We demonstrate theoretically and experimentally how changes of a terahertz （THz） beam induced by the sample affect the accuracy of the determination of THz dielectric properties in THz time-domain transmission spect...; 关键词：THz Origin of potential errors in the quantitative determination of terahertz optical properties in time-domain terahertz spectroscopy time

Analysis of the time-domain spectrum of hydrogen in electric field near helium surface: 《Chinese Optics Letters》2011年第4期5-8,共4页龚晓青杨光参; partially supported by the State Key Development Program of the Basic Research of China(No. 2007CB310405);the National Natural Science Foundation of China(No.10974146);the Zhejiang Provincial Natural Science Foundation(No.Y6090222); The Ryderberg electronic wave packet dynamics of hydrogen atom near helium surface in an electric field is investigated using the semiclassical method. The autocorrelation function is calculated when the photoionized ...; 关键词：Atomic spectroscopy ATOMS Electric fields HELIUM HYDROGEN PHOTOIONIZATION Regression analysis Surface properties

An efficient Jacobian scaling method for time-domain optical mammography: 《Chinese Optics Letters》2010年第2期206-209,共4页马艺闻高峰阮平巧杨芳赵会娟; supported by the National Natural Science Foundation of China(Nos.30870657 and 30970775);the National Basic Research Program of China(No.2006CB705700);the Chinese National Programs for High Technology Research and Development (No.2009AA02Z413);Tianjin Municipal Government of China(No.09JCZDJC18200).; Time-domain diffuse optical tomography can efficiently reconstruct optical parameters which can be further applied in diagnosing early breast cancer. Nevertheless, the performances of reconstructed imaging are badly i...; 关键词：Diagnostic radiography Optical tomography

Experimental validation for time-domain fluorescence diffuse optical tomography of linear scheme被引量：2: 《Chinese Optics Letters》2008年第12期889-892,共4页高峰张丽敏李娇赵会娟; supported by the National Natural Science Foundation of China(No.60578008,60678049);the National Basic Research Program of China(No.2006CB705700);Tianjin Municipal Government of China(No.07JCYBJC06600); We present a full three-dimensional, featured-data algorithm for time-domain fluorescence diffuse optical tomography that inverts the Laplace-transformed time-domain coupled diffusion equations and employs a pair of a...; 关键词：Diagnostic radiography Image segmentation Medical imaging Optical tomography Three dimensional Time domain analysis TOMOGRAPHY

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