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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...
Large-Area Free-Standing Ultrathin Single-Crystal Silicon as Processable Materials
Ultrathin single-crystal silicon fl exibility nanotexture light trapping
2015/8/7
Silicon has been driving the great success of semiconductor industry, and emerging forms of silicon have generated new opportunities in electronics, biotechnology, and energy applications.
Large Area Metal Nanowire Arrays with Tunable Sub-20 nm Nanogaps
metal nanowire arrays top-down nanofabrication nanoelectrodes metal nanograting plasmonic substrates
2016/12/2
We report a new top-down nanofabrication technology to realize large area metal nanowire (m-NW) arrays with tunable sub-20 nm separation nanogaps without the use of chemical etching or milling of the ...
VOXEL-BASED ESTIMATION OF PLANT AREA DENSITY FROM AIRBORNE LASER SCANNER DATA
Canopy structure Three-dimensional (3-D) Flight line Lidar Plant area index Crown volume
2014/6/5
Three-dimensional distribution of plant area density (PAD) was retrieved using airborne laser scanning (ALS) data. The calculation of PAD requires the number of laser-pulses intercepted by plant mater...
Large-area nanogap plasmon resonator arrays for plasmonics applications
Large-area nanogap plasmon resonator arrays plasmonics applications
2016/12/2
Large-area (～8000 mm(2)) Au nanogap plasmon resonator array substrates manufactured using maskless laser interference lithography (LIL) with high uniformity are presented. The periodically spaced subw...
Ultimate Limits of Effective Area and Attenuation for High Data Rate Fibers
Fiber design fabrication Fiber characterization
2015/5/25
High data rate telecommunication networks operating at 100 Gb/s require low loss fibers with very large effective areas to mitigate nonlinearities. The state of the art fiber technologies needed to ac...
A Dispersion Compensating Fiber with a Factor 5 Improvement in Figure of Merit and a Factor 4.5 Improvement in Effective Area
Fiber design fabrication Fiber optics links subsystems
2015/5/25
A Dispersion compensating fiber working in the LP 02 mode with a figure of merit of 2200 ps/(nm·dB), an effective area of 90 μm 2 , and MPI of -37 dB is reported.
Demonstrating Novel Functionality of Air-holes to Realize Large-mode-area Optical Fibers
Fiber characterization Fiber design fabrication Microstructured fibers
2015/5/25
A new functionality of air-holes, worked as prevention for micro-deformation induced loss without affecting other properties, is demonstrated. A fiber with Aeff of 150μm 2 was fabricated by utilizing ...
Soft Glass Based Large Mode Area Photonic Bandgap Fibre for Mid-Infrared Applications
Microstructured fibres Fibre design fabrication
2015/5/22
An all-solid LMA Bragg fibre (mode area exceeding 1100μm 2 ) is presented for mid-infrared applications, based on a new design strategy that induces large differential loss between fundamental and hig...
Transmission of 112 Gb/s PM-QPSK Signals over 7200 km of Optical Fiber with Very Large Effective Area and Ultra- Low Loss in 100 km Spans with EDFAs Only
Transmission 112 Gb/s PM-QPSK Signals Optical Fiber Ultra- Low Loss EDFAs Only
2015/5/20
We experimentally investigate transmission of 16×112 Gb/s PM-QPSK signals over an optical fiber with effective area of 134 μm 2 and attenuation of 0.162 dB/km. We demonstrate transmission over 7200 km...
Octagonal Large-Mode-Area Leakage Channel Fiber with Reduced Bending Loss
Fiber design and fabrication Fiber properties Lasers fiber Photonic crystal fibers
2015/6/10
We investigate a novel design for high-power large-mode-area leakage channel fibers(LCFs) with a single octagonal dual-diameter air-hole ring encircling a nine-cell pure-silica core,having a tenfold d...
Real-Time Monitoring of the Modal Content of Monolithic Large-Mode-Area Fiber Lasers
Fiber characterization Lasers fiber Fiber Bragg gratings Fabry-Perot
2015/6/9
A method for the real-time monitoring of the modal content of a monolithic LMA fiber laser is reported for the first time. It allows for the direct observation of the dynamics of transversal mode comp...
Experimental verification of higher-order mode suppression in a bent large-mode-area multi-cladding fiber
Fiber design and fabrication iber properties
2015/6/9
A novel technique to suppress the higher-order mode in a bent large-mode-area triple-cladding fiber is experimentally presented. 3-dB suppression of LP 02 mode is observed on a fabricated triple-cladd...
OSNR-Enhancing Pure-Silica-Core Fiber with Large Effective Area and Low Attenuation
Fiber design and fabrication Fiber optics communications
2015/6/9
Pure-silica-core fiber with large Aeff of 134m 2 is designed to enhance OSNR considering splice loss to SSMF, and realized by appropriate depressed cladding profile and soft primary coating. I...
Area-efficient 100G+ EFEC calculation with Xilinx FPGAs
Optical communications Fiber optics links subsystems
2015/6/5
This paper presents area-optimized implementations of Galois Field multipliers that exploit the unique programmable logic cells in the Xilinx FPGA, enabling a 100 Gb/s EFEC block with significantly lo...