搜索结果: 1-15 共查到“光电子技术 Surface”相关记录28条 . 查询时间(0.228 秒)
STOCHASTIC SURFACE MESH RECONSTRUCTION
TLS point cloud point error model error ellipsoid variance-covariance propagation surface triangulation
2018/6/4
A generic and practical methodology is presented for 3D surface mesh reconstruction from the terrestrial laser scanner (TLS) derived point clouds. It has two main steps. The first step deals with deve...
上海大学理学院本科生顾宏安作为第一作者撰写的学术论文被SCI期刊《Applied Surface Science》接收发表（图）
上海大学理学院 本科生 顾宏安 学术论文 SCI期刊 Applied Surface Science 激光诱导材料 激光加工
2017/7/11
近日，理学院物理系戴晔副教授指导的物理系本科生顾宏安（男）作为第一作者的论文《扫描速度对于碲镉汞表面自组织周期性结构的》（“Effect of scanning velocity on femtosecond laser-induced periodic surface structures on HgCdTe crystal”）被SCI期刊《Applied Surface Science》（20...
AUTOMATIC MULTI-VIEW TEXTURE MAPPING OF 3D SURFACE PROJECTIONS
Automation Heritage Conservation Laser Scanning Orthorectification Texture
2015/10/8
Texture-mapping in close-range photogrammetry focuses mostly on the generation of large-scale projections of 3D surfaces, the most
common instance being that of orthoimaging. Today, photogrammetry i...
Automatic break-line detection from laserscanner data using surface flatness
Spatial Information Sciences Automation Cultural Heritage Extraction
2015/8/25
Recently, a laser scanner has been receiving more attention as a useful tool for real-time 3D data acquisition, and various applications such as city modelling, DTM generation and 3D modelling of cult...
Spatial control of surface plasmon polariton excitation at planar metal surface
Surface plasmons Thin films Phase modulation Spatial light modulators
2015/8/6
We illustrate that the surface plasmon polariton (SPP) excitation through the prism coupling method is fundamentally limited by destructive interference of spatial light components. We propose that th...
Near-infrared surface plasmon polariton dispersion control with hyperbolic metamaterials
Surface plasmons Metamaterials
2015/8/7
We demonstrate experimentally signatures and dispersion control of surface plasmon polaritons from 1 to 1.8 μm using periodic multilayer metallo-dielectric hyperbolic metamaterials. The fabricated str...
STREET REGION DETECTION FROM NORMALIZED DIGITAL SURFACE MODEL AND LASER DATA INTENSITY IMAGE
Street region detection laser scanner data normalized Digital Surface Model intensity image image processing techniques
2014/5/8
The urban road network extraction process can be simplified by firstly detecting regions corresponding to streets, allowing a substantial reduction of the search area. As a result, the extraction proc...
Temperature dependence of surface phonon polaritons from a quartz grating
Temperature dependence surface phonon polaritons quartz grating
2015/8/10
We report the temperature dependence of the surface phonon polariton (SPhP) spectra of a-SiO2(quartz), propagated to the far-field by a grating, in the temperature range between 300 K and 800 K....
An Ultra-Compact Polarization Rotator Based on Surface Plasmon Polariton Effect
Polarization Surface Plasmon Polariton
2015/5/21
A 3μm long ultra small surface plasmon polariton effect based TM to TE polarization rotator was designed. Effective polarization rotation was achieved in fabricated devices. 10dB PER and 11dB insertio...
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers with Extremely High Data-Rate/Power-Dissipation Ratios
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers Extremely High Data-Rate/Power-Dissipation Ratios
2015/5/21
By using oxide-relief technique, a high modulation-efficiency (9.8GHz/mA 1/2 ) and a high modulation-speed (34 Gbps) with a record-high data-rate/power-dissipation ratios (2.9 (9.2) Gbps/mW at 34 (12....
High-Density Periodic Arrays of Self-Aligned Subwavelength Nanopyramids for Surface-Enhanced Raman Spectroscopy
High-Density Periodic Self-Aligned Subwavelength Nanopyramids Surface-Enhanced Raman Spectroscopy
2016/12/2
Novel nanotextured surfaces are presented with periodically self-aligned subwavelength nanogroove and nanopyramid structures with precisely defined pitch λg that are closely packed with 2 nm separatio...
Intrinsic temperature sensitivity of tilted fiber Bragg grating based surface plasmon resonance sensors
temperature sensitivity tilted fiber Bragg grating plasmon resonance sensors
2013/5/27
A miniature surface plasmon resonance sensor is fabricated from a gold-coated standard optical fiber with an in-core tilted fiber Bragg grating fabricated by UV exposure. The sensor h...
Real-Time Monitoring of the Surface Modification of Root Dentin Using MIR-FEL-Induced Acoustic Waves
Real-time monitoring Photoacoustic spectroscopy Root surface caries
2009/6/10
For a non-invasive laser treatment, a real-time and non-contact monitoring technique is needed. We have investigated the extent of the surface modification of root dentin using photoacoustic spectrosc...
The application of excimer laser to polyethylene-terephthalate fiber (PET) and aramid fiber is investigated, from a viewpoint of “ablation”. First, the ablation mechanism of these fibers were revealed...
Development of Human Joint Prosthesis by the Process of Metal Surface Using Laser Scanning
Laser scanning Human joint prosthesis Metal surface
2009/6/8
The bonding between a metal surface of a human joint prosthesis and a bone is not perfect. It makes the loosening of a metal component from a bone. Porous coating method is widely used to have a rough...