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Dániel Zámbó, András Deák
Pág. 244 - 251
In this study, visible light extinction spectra of different gold nanoparticle assemblies were simulated using boundary element method (BEM) in order to investigate the optical properties of structures which determine the experimentally measured spectra ...
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Nada Joumar, Soumaya Nabih, Antonis Chatzipavlis, Adonis Velegrakis, Thomas Hasiotis, Ourania Tzoraki, Jamal Eddine Stitou El Messari and Lahcen Benaabidate
The study of plumes occurring at the mouth of small rivers of temporal flow is a challenging task due to the lack of sedimentological and flow data of appropriate spatiotemporal scales. The present contribution examined the case of a typical un-gauged in...
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Philippe Massicotte, Guislain Bécu, Simon Lambert-Girard, Edouard Leymarie and Marcel Babin
The vertical diffuse attenuation coefficient for downward plane irradiance ( K d ) is an apparent optical property commonly used in primary production models to propagate incident solar radiation in the water column. In open water, estimating K...
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Tomas Horvath,Petr Munster,Josef Vojtech,Ondrej Havlis,Martin Gallo
Pág. 141 - 147
Passive optical networks are the most promising solution for access networks. The first standard provided only 155 Mbit/s but current networks work according to ITU-T G.984.3 with 2.5 Gbit/s in downstream. However, NG-PON2 offers up to 40 Gbit/s in ...
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Vasiliki Vgenopoulou, Mengdi Song, Erwan Pincemin, Yves Jaouën, Stylianos Sygletos and Ioannis Roudas
The last few years, many studies have been published on the 3rd-order inverse Volterra series transfer function nonlinear equalizer (IVSTF-NLE) in long-haul optical communication systems. Nonetheless, no experimental work has been published on investigat...
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Kyung M. Han, Chang H. Jung, Rae-Seol Park, Soon-Young Park, Sojin Lee, Markku Kulmala, Tuukka Petäjä, Grzegorz Karasinski, Piotr Sobolewski, Young Jun Yoon, Bang Young Lee, Kiyeon Kim and Hyun S. Kim
In this study, more accurate information on the levels of aerosol optical depth (AOD) was calculated from the assimilation of the modeled AOD based on the optimal interpolation method. Additionally, more realistic levels of surface particulate matters ov...
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Dimitrios Noitsis, Georgia A. Beletsioti, Anastasios Valkanis, Konstantinos Kantelis, Georgios Papadimitriou and Petros Nicopolitidis
Traffic on backbone communication networks is growing significantly every year. This results in an increase in both energy consumption and the carbon footprint they leave on the environment. As a response, research efforts are focused on reducing energy ...
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Umberto Saetti, Jonathan Rogers, Mushfiqul Alam and Michael Jump
A novel trajectory generation and control architecture for fully autonomous autorotative flare that combines rapid path generation with model-based control is proposed. The trajectory generation component uses optical Tau theory to compute flare trajecto...
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Soobin Jeon, Sang-Young Park and Geuk-Nam Kim
CANYVAL-C is a formation-flying mission that demonstrates a coronagraph utilizing two CubeSats. The coronagraph is a space telescope that blocks sunlight to examine the overcast regions around the sun. It is composed of optical and occult segments. Two s...
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Tianlei Fu, Lianwu Guan, Yanbin Gao and Chao Qin
This paper investigates an anticipatory activation anti-windup approach based on Linear Active Disturbance Rejection Control (LADRC) to address the influences of accelerated saturation on the actuators in a Miniaturized Inertial Stabilized Platform (MISP...
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Alessandro Zanarini
Spatially dense operative deflection shapes and receptances, acquired in broad frequency bands, increase the detail in the spatial and frequency domains of the responses of parts in actual dynamic loading, manufacturing and mounting conditions. This work...
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A. Y. Shikhovtsev, P. G. Kovadlo, A. A. Lezhenin, V. S. Gradov, P. O. Zaiko, M. A. Khitrykau, K. E. Kirichenko, M. B. Driga, A. V. Kiselev, I. V. Russkikh, V. A. Obolkin and M. Yu. Shikhovtsev
The present study is aimed at the development of a novel empirical base for application to ground-based astronomical telescopes. A Weather Research and Forecasting (WRF) model is used for description of atmospheric flow structure with a high spatial reso...
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Miguel Arratia, Bruce Bagby, Peter Carney, Jiajun Huang, Ryan Milton, Sebouh J. Paul, Sean Preins, Miguel Rodriguez and Weibin Zhang
We recently proposed a high-granularity calorimeter insert for the Electron-Ion Collider (EIC) that uses plastic scintillator tiles read out by SiPMs. Among its features are an ASIC-away-from-SiPM strategy for reducing cooling requirements and minimizing...
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Yunkai Qi, Jianjun Gu, Guochao Shi, Xin Li, Ao Wang and Shumin Yang
Self-assembled dual-working electrode electrolytic cells were designed to produce twin alumina-Co composite films with highly symmetrical microstructures using a deflected electric field-assisted alternating current electrodeposition method. The results ...
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Yan Luo, Tong Qin and Xingyu Zhou
Cooperative orbit determination (OD) using inter-spacecraft optical measurements is an important technology for space constellation missions. In this paper, the observability of a two-spacecraft cooperative OD system is investigated. The influence of geo...
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Ryo Sato, Yuki Shimizu, Hiraku Matsukuma and Wei Gao
This paper presents an intentional investigation of the effect of the object tilt angle on the tracking local minimum method (TL method), which is the one for detecting the measurement target position of the object optical axis, in a chromatic confocal p...
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Oskars Ozolins, Xiaodan Pang, Aleksejs Udalcovs, Richard Schatz, Sandis Spolitis, Vjaceslavs Bobrovs, Gunnar Jacobsen and Sergei Popov
We experimentally evaluate the high-speed on?off keying (OOK) and four-level pulse amplitude modulation (PAM4) transmitter?s performance in C-band for short-reach optical interconnects. We demonstrate up to 100 Gbaud OOK and PAM4 transmission over a 400 ...
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Mohamed Abuhelala, Umair A. Korai, Anderson L. Sanches, Wing C. Kwong and Ivan Glesk
This paper investigates for the first time how the implementation of semiconductor optical amplifier (SOA)-based devices in photonic networks can negatively impact the integrity of two-dimensional wavelength-hopping time-spreading (2D-WH/TS) optical code...
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Yanli Hou, Xianyu Su and Wenjing Chen
The alignment problem of a rotating optical measurement system composed of a charge-coupled device (CCD) camera and a turntable is discussed. The motion trajectory model of the optical center (or projection center in the computer vision) of a camera rota...
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Victor A. Kulikov, Svetlana L. Lachinova, Mikhail A. Vorontsov and Venkata S. Rao Gudimetla
A concept of atmospheric turbulence characterization using laser light backscattered off a moving unresolved target or a moving target with a glint is considered and analyzed through wave-optics numerical simulations. The technique is based on analysis o...
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