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Optical neural networks hold promise for image processing（图）
光学神经网络 图像处理 3D场景
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2023/5/10
Cornell researchers have developed an optical neural network (ONN) that can filter relevant information from a scene before the visual image is detected by a camera, a method that may make it possible...
重庆师范大学物理与电子工程学院张丁可教授课题组在国际权威期刊《Advanced Optical Materials》发表重要成果（图）
对称性波导结构 钙钛矿电泵浦激光器件 激发阈值
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2022/12/28
2022年9月21日，重庆师范大学物理与电子工程学院光电功能材料重庆市重点实验室张丁可教授课题组通过设计一种对称性波导结构降低钙钛矿的激发阈值，并提高器件在运行过程中的稳定性，为钙钛矿电泵浦激光器件的实现提供了一定的指导意义。相关成果“Achieving Low Threshold and High Optical Gain Amplified Spontaneous Emission in MA...
Study finds ultimate limits of spaceplates in optical systems（图）
光学系统 空间板 极限
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2023/5/22
Engineers working to miniaturize optical systems for modern electronics have seen great success when it comes to the most familiar components, the lenses and optical sensors. It’s been more challengin...
李孝峰教授在Advanced Optical Materials上发表论文（图）
李孝峰教授 自驱动光电探测器 微纳光电探测 转换器件
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2022/4/29
2022年1月2日，Advanced Optical Materials最新上线苏州大学李孝峰教授团队研究论文“自驱动钙钛矿丹探测器（Self-Driving Perovskite Dember Photodetectors）”，为利用丹倍效应实现高性能自驱动光电探测提供了一个有前景的方案。江南大学理学院青年教师曹国洋博士与苏州大学光电科学与工程学院硕士生张昊宇为论文共同第一作者，李孝峰教授为通讯...
《Optical Materials Express》发表广州大学物理与材料科学学院研究生和本科生合作研究成果（图）
广州大学物理与材料科学学院 Optical Materials Express 光探测
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2020/7/27
近年来，无机钙钛矿材料在太阳能电池，发光器件，光探测，激光器件等信息和能源等领域应用潜力引起了国内外广泛关注。与传统 Si 和 III-V 半导体器件相比，无机钙钛矿材料生长和器件制作具有过程简单，且不需要高温和高真空制备环境等优点。作为三元无机钙钛矿材料体系中为数不多的宽禁带半导体，CsPbCl3钙钛矿具有带隙宽（3.1 eV），激子结合能高，优异的室温稳定性，载流子的迁移率高、扩散距离长等优点...
上海交通大学杨广中院士团队在《Advanced Optical Materials》杂志发表封面文章（图）
上海交通大学 杨广中 院士 双光子聚合 光纤端面
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2020/5/20
2020年5月4日，上海交通大学医疗机器人研究院院长杨广中教授作为通讯作者的研究论文《Fiber‐Optic SERS Probes Fabricated Using Two‐Photon Polymerization For Rapid Detection of Bacteria》以封面论文形式在《Advanced Optical Materials》杂志上发表。该研究提出了一种通过简单、精确与...
Optical properties of biomass-derived nanomaterials for sensing, catalytic, biomedical and environmental applications
Nanomaterials Biomass Green chemistry Sustainable energy Carbon dots
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2024/2/28
Biomass-derived nanomaterials are becoming increasingly attractive if not indispensable in both academic and industrial fields within the past decades, coupled with growing interest in green chemistry...
LiMII(IO3)3 (MII = Zn and Cd): Two Promising Nonlinear Optical Crystals Derived from a Tunable Structure Model of α‐LiIO3（图）
非线性 光学晶体 LiMII
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2023/3/28
Excellent nonlinear optical materials simultaneously meet the requirements of large SHG response, phase‐matching capability, wide transparency windows, considerable energy band‐gap, good thermal stabi...
COMBINED ANALYSIS OF RADARSAT-2 SAR AND SENTINEL-2 OPTICAL DATA FOR IMPROVED MONITORING OF TUBER INITIATION STAGE OF POTATO
Crop dynamics Potato SAR RADARSAT-2 Sentinel-2 Red edge
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2019/2/27
Tuber initiation and tuber bulking stages are critical part of various phenological phases for potato production. Tuber initiation covers the period from the formation of spherical rhizome ends, the f...
COMBINING HIGH SPATIAL RESOLUTION OPTICAL AND LIDAR DATA FOR OBJECT-BASED IMAGE CLASSIFICATION
High Spatial Resolution Lidar Object-Based Classification Aerial Image Image segmentation
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2018/5/14
In order to classify high spatial resolution images more accurately, in this research, a hierarchical rule-based object-based classification framework was developed based on a high-resolution image wi...
RETRIEVAL OF AEROSOL OPTICAL PROPERTIES FROM GROUND-BASED REMOTE SENSING MEASUREMENTS: AEROSOL ASYMMETRY FACTOR AND SINGLE SCATTERING ALBEDO
Devaux-Vermeulen-Li method aerosol single scattering albedo asymmetry factor Sun-sky radiometer AERONET
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2018/5/15
The Devaux-Vermeulen-Li method (DVL method) is a simple approach to retrieve aerosol optical parameters from the Sun-sky radiance measurements. This study inherited the previous works of retrieving ae...
POSSIBILITY OF CLOUDLESS OPTICAL REMOTE SENSING IMAGES ACQUISITION STUDY BY USING METEOROLOGICAL SATELLITE OBSERVATIONS
Cloud total amount Cloudless image acquisition Fengyun(FY) satellite Ziyuan-3 (ZY-3) satellite
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2018/5/16
Optical remote sensing images have been widely used in feature interpretation and geo-information extraction. All the fundamental applications of optical remote sensing, are greatly influenced by clou...
COMPILING TECHNIQUES FOR EAST ANTARCTIC ICE VELOCITY MAPPING BASED ON HISTORICAL OPTICAL IMAGERY
East Antarctica Ice Flow Velocity Optical Images Mapping
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2018/5/17
Ice flow velocity over long time series in East Antarctica plays a vital role in estimating and predicting the mass balance of Antarctic Ice Sheet and its contribution to global sea level rise. Howeve...
MODELING AND SIMULATION OF HIGH RESOLUTION OPTICAL REMOTE SENSING SATELLITE GEOMETRIC CHAIN
High Resolution Geometric Chain Modeling Simulation Geolocation Accuracy
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2018/5/16
The high resolution satellite with the longer focal length and the larger aperture has been widely used in georeferencing of the observed scene in recent years. The consistent end to end model of high...
PROCEDURE ENABLING SIMULATION AND IN-DEPTH ANALYSIS OF OPTICAL EFFECTS IN CAMERA-BASED TIME-OF-FLIGHT SENSORS
Time-of-Flight ToF camera optical simulation procedure 3D reconstruction ground truth transient imaging
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2018/6/4
This paper presents a simulation approach for Time-of-Flight cameras to estimate sensor performance and accuracy, as well as to help understanding experimentally discovered effects. The main scope is ...