supported by the Technology Plan Project of State Administration for Market Regulation(No.2022MK218);the National Key Research and Development Program of China(No.2023YFE0207700);the Research Funding Project of Zhejiang Provincial Department of Education(No.Y202249439)。
In this work,we demonstrate a single-photon lidar based on a polarization suppression underwater backscatter method.The system adds polarization modules at the transmitter and receiver,which increases the full width a...
supported by the Shaanxi Province Innovation Talent Promotion Program Science and Technology Innovation Team(No.2023-CX-TD-03);the Natural Science Foundation of Shaanxi Province(No.2023-JC-YB-587);the National Key Research and Development Program of China(No.2019YFB1803700);the Key Technologies Research and Development Program of Tianjin(No.20YFZCGX00440).
Light detection and ranging(lidar)has attracted significant interest as a sensing technology for its ability to achieve highresolution imaging and wide-angle perception.However,conventional lidar systems,built with se...
supported by the National Natural Science Foundation of China(Nos.62105193,62127817,62075120,62075122,U22A2091,62222509,62205187,and 62305200);the Shanxi Province Science and Technology Major Special Project(No.202201010101005);the National Key Research and Development Program of China(No.2022YFA1404201);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT_17R70);the China Postdoctoral Science Foundation(No.2022M722006);the Shanxi Province Science and Technology Innovation Talent Team(No.202204051001014);the Science and Technology Cooperation Project of Shanxi Province(No.202104041101021);the Shanxi“1331 Project”and 111 Project(No.D18001).
Frequency-modulated continuous-wave(FMCW)Lidar has the characteristics of high-ranging accuracy,noise immunity,and synchronous speed measurement,which makes it a candidate for the next generation of vehicle Lidar.In t...
supported by the Key-Area Research and Development Program of Guangdong Province (No.2020B0303020001);the National Natural Science Foundation of China (Nos.62031024 and 12104443);the Innovation Program for Quantum Science and Technology (No.2021ZD0300300);the Shanghai MunicipalScienceandTechnologyMajorProject (No.2019SHZDZX01);the Shanghai Science and Technology Development Foundation (No.22JC1402900);the Shanghai Academic/Technology Research Leader (No.21XD1403800);the Shanghai Sailing Program (No.21YF1452600);the Natural Science Foundation of Shanghai (No.21ZR1470000)。
We proposed a hybrid imaging scheme to estimate a high-resolution absolute depth map from low photon counts. It leverages measurements of photon arrival times from a single-photon LiDAR and an intensity image from a c...
supported by the Key Research and Development Program of Hubei Province(No.2021BAA004);the Innovation Project of Optics Valley Laboratory(Nos.OVL2021BG004 and OVL2023ZD004);the National Natural Science Foundation of China(NSFC)(Nos.62125503,62261160388,and 62105115);the Natural Science Foundation of Hubei Province of China(No.2023AFA028)。
In recent years,optical phased arrays(OPAs)have attracted great interest for their potential applications in light detection and ranging(Li DAR),free-space optical communications(FSOs),holography,and so on.Photonic in...
supported by the National Natural Science Foundation of China(Nos.42175149 and 41775035);the China-CEEC Joint Higher Education Project(No.202017);the Natural Science Foundation of Shaanxi Province,China(No.2020JM-445)。
The multilongitudinal mode[MLM]high-spectral-resolution lidar[HSRL]based on the Mach±Zehnder interferometer[MZI]is constructed in Xi’an for accurate measurements of aerosol optical properties.The critical requiremen...
This work was supported in part by the National Key R&D Program of China(No.2018YFA0704402);National Natural Science Foundation of China(Nos.61974165 and 61975075);National Natural Science Foundation of China for the Youth(No.62004105);Science and Technology Project,and Natural Science Foundation of Jiangsu Province(No.BE2019101)。
We demonstrate a high-resolution frequency-modulated continuous-wave dual-frequency LIDAR system based on a monolithic integrated two-section(TS) distributed feedback(DFB) laser. In order to achieve phase locking of t...
the National Natural Science Foundation of China(No.61871389);the Research Plan Project of the National University ofDefense Technology(No.ZK 18-01-02)。
The first photon bias of photon detection results in distortion of the photon waveform,which seriously affects the accurate acquisition of target information.A rapid universal recursive correction method is proposed,w...
This work was supported by the National Natural Science Foundation of China(Nos.61271353 and 61871389);Foundation of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2018ZR09);Major Funding Projects of National University of Defense Technology(No.ZK18-01-02).
To fully describe the structure information of the point cloud when the LIDAR-object distance is long,a joint global and local feature(JGLF)descriptor is constructed.Compared with five typical descriptors,the object r...
supported by the National Natural Science Foundation of China(No.61605034)
We propose a high-gain and frequency-selective amplifier for a weak optical signal based on stimulated Brillouin scattering in a single mode fiber. To be able to satisfy the needs of high gain and high signal-to-noise...