搜索结果: 1-15 共查到“激光及激光器技术 Generation”相关记录28条 . 查询时间(0.138 秒)
AUTOMATIC DTM GENERATION FROM LASER-SCANNING DATA IN RESIDENTIAL HILLY AREA
LIDAR Geodesic dilation image reconstruction
2015/9/28
Airborne laser scanning systems provide high quality 3D point clouds from the earth’s surface. A Digital Surface Model (DSM) is
provided from the LIDAR data after removing the outliers from the point...
comparison of dem generation and combination methods using high resolution optical stereo imagery and interferometric sar data
DEM/DTM High resolution Combination Fusion Accuracy Multisensor Optical SAR
2015/9/1
Digital elevation models (DEM) from satellite data are generated mainly from two types of datasets using completely different methods: photogrammetry for optical stereo images (e.g. SPOT5, IKONOS) and...
3D BUILDING MODEL GENERATION FROM AIRBORNE LASER SCANNER DATA USING 2D GIS DATA AND ORTHOGONAL POINT CLOUD PROJECTIONS
LIDAR point cloud segmentation building model reconstruction automation
2015/8/13
Human operators use an intuitive procedure of rotating laser scanner point clouds into specific projections when trying to understand
the structure of buildings contained in the data. This procedure ...
FACTORS AFFECTING THE QUALITY OF DTM GENERATION IN FORESTED AREAS
Digital Terrain Model DTM airborne laser scanning ALS algorithms quality
2015/8/13
Airborne laser scanning (ALS) has become an established tool for acquiring digital terrain models (DTM) in forested areas. Even
though, there have been several empirical studies on DTM quality with l...
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation and Transmission of 256-Gb/s PDM-16QAM Modulation Format
Small-Form-Factor All-InP Integrated Laser Vector Modulator Enables the Generation Transmission of 256-Gb/s PDM-16 QAM Modulation Format
2014/11/6
We demonstrate, using a compact InP-based integrated assembly of a tunable laser and a double-nested Mach-Zehnder modulator, generation of Nyquist-prefiltered QPSK and 16-QAM signals at 32-Gbaud. We t...
Dual Pump Wave Generation from NRZ-ASK Signal Enabling a “Black-Box” Phase Sensitive Amplifier
Fiber optics amplifiers and oscillators Nonlinear optics parametric processes Lasers injection-locked
2015/5/26
We present a phase locking scheme that enables the demonstration of the first black-box dual pump degenerate phase sensitive amplifier for 10 Gbit/s NRZ-ASK signals.
437 GHz Optical Pulse Train Generation from a C-Band InAs/InP Quantum Dot Laser
Lasers pulsed Quantum-wel dot devices
2015/5/22
We demonstrate 437 GHz optical pulse train generation based on grating coupled external cavities using InAs/InP quantum dots as the gain material. It is the highest repetition rate ever produced by QD...
Cascade Laser Power Converter for Simultaneous 10 Gbps Data Detection and Efficient Optical-to-Electrical DC Power Generation
Power Converter Laser Gbps Data Detection Efficient Optical Electrical DC Power Generation
2015/5/15
We demonstrate a novel device; cascade high-speed laser power converter. Error-free 10 Gbit/sec data detection and 21.1% optical-to-electrical DC power generation efficiency can be achieved simultaneo...
Power Efficiency of Next-Generation Optical Access Architectures
Networks Fiber optics communication
2015/6/9
A theoretical model for the power consumption of access networks is presented. The analysis based on this model provides insights into optimal number of lines per equipment and the use of active vs. p...
Optical Generation and Wireless Transmission of 60 GHz OOK Signals Using Gain Switched Laser
Fiber optics communications Radio frequency photonics
2015/6/8
We present a novel, simple and cost effective system for optical millimeter-wave generation and transmission of 3 Gbps data based on gain switching. System performance has been investigated, including...
Low Phase Noise Millimeter-Wave Generation by Integrated Dual Wavelength Laser Diode
Semiconductor lasers Integrated Optics Devices
2015/6/8
We report millimeter-wave generation by an integrated dual wavelength laser diode based on optical sideband injection locking. Low phase noise millimeter-wave carrier at 42 GHz has been generated from...
10Gbit/s for Next Generation PON with Electronic Equalization using Un-cooled 1.55μm Directly Modulated Laser
Generation PON Electronic Equalization Un-cooled Directly Modulated Laser
2015/7/21
10Gbit/s self thermally compensated directly modulated laser with electronic dispersion compensation is proposed to achieve 20km reach with 28 or 25dB optical budget between 5° C and 60 or 80° C respe...
720-fs Pulse Generation with 40 GHz Passively-Mode Locked Quantum-Dash Fabry-Pérot Laser
Pulse Generation Passively-Mode Locked Quantum-Dash Fabry-Pérot Laser
2015/7/17
Generation of 720-fs pulses by passively mode-locked Fabry-Pérot lasers is demonstrated. Pulse width is analyzed in terms of the longitudinal modes passing through a variable band-pass filter placed a...
Particle Generation by Interaction between 1 TW, 50 fs Laser and Thin Foils
Ion source Neutral beam Table-top terawatt laser CR39
2009/6/15
Thin (< 10 μm) plastic and metal foils were irradiated by 1 TW, 50 fs laser pulses at an incident angle of π/4. Particle beams were obtained on both sides of the foil with respect to the laser injecti...
Filamentation and Energetic Electron Generation in a Plasma Produced from a High Density Gas Jet Irradiated by a TW Laser Pulse
Energetic electron beam Filamentation TW Ti:sapphire laser pulse
2009/6/15
Emission of a well-collimated energetic electron beam has been observed from a plasma of which electron density is higher than 1020 cm-3 produced by a TW Ti:sapphire laser pulse. The maximum energy of...