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Qiujin Wang, Guozhong Zhao and Hai Wang
The high-temperature annealing effect of a V2O5/Al2O3 bilayer on the reflectivity of visible band was studied in the present work. It was found that the V2O5 (200 nm)/Al2O3 (30 nm) sample (A-0) has a nano-granular surface morphology without a definite cr...
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Delphin Raj K M, Sun-Ho Yum, Eunbi Ko, Soo-Young Shin, Jung-Il Namgung and Soo-Hyun Park
In the last few decades, underwater communication systems have been widely used for the development of navy, military, business, and safety applications, etc. However, in underwater communication systems, there are several challenging issues, such as lim...
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Binal Panchotiya,Dippal Israni,Ritesh Patel
Pág. 30 - 36
Image fusion is a technique that combines two source images to generate more informative target image. It plays a vital role in medical image investigation, military, navigation, etc. visible images offer efficient texture detail with high spatial resolu...
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Maroua Allani, Narjès Batis, Abdeldjelil Nehari, Hugues Cabane, Kheirreddine Lebbou, Christophe Pecheyran, Corine Reibel, Jean-Jacques Boy
Pág. 12 - 19
Langatate La3Ga5.5Ta0.5O14 is piezoelectric crystal from langasite family, commonly grown by Czochralski method from Ir crucible. Langatate crystals of different colors (colorless, orange, green) have been studied by optical spectroscopy in UV-Visible (2...
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Loganathan Agilandeeswari, Manoharan Prabukumar, Vaddi Radhesyam, Kumar L. N. Boggavarapu Phaneendra and Alenizi Farhan
Hyperspectral imaging (HSI), measuring the reflectance over visible (VIS), near-infrared (NIR), and shortwave infrared wavelengths (SWIR), has empowered the task of classification and can be useful in a variety of application areas like agriculture, even...
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Khawla S. Khashan, Ghassan M. Sulaiman, Farah A. Abdulameer, Salim Albukhaty, Mohammed A. Ibrahem, Tahani Al-Muhimeed and Abeer A. AlObaid
Laser ablation in liquid was utilized to prepare a TiO2 NP suspension in in deionized distilled water using Q-switch Nd: YAG laser at various laser energies and ablation times. The samples were characterized using UV?visible absorption spectra obtained w...
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Mohamed Amine Dahamni, Mostefa Ghamnia, Salah Eddine Naceri, Carole Fauquet, Didier Tonneau, Jean-Jacques Pireaux and Abed Bouadi
Pure and Mg-doped manganese oxide thin films were synthesized on heated glass substrates using the spray pyrolysis technique. The surface chemical composition was investigated by the use of X-ray photoelectron spectroscopy (XPS). Structural and morpholog...
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Vanja Fontenele Nunes, Manuel Pedro Fernandes Graça, Imen Hammami, Ana Fabíola Leite Almeida and Francisco Nivaldo Aguiar Freire
Electrophoretic deposition is a straightforward, environmentally friendly, and cost-effective technique for depositing and synthesizing nanomaterials, particularly nanofilms of semiconductors. Key parameters in electrophoresis include deposition time and...
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Jingyuan Liang, Shuiqing Lin and Xizheng Ke
Four-level pulse amplitude modulation (PAM4) can transmit more information in the same symbol interval, effectively improving the information transmission rate and frequency band utilization of visible light communication (VLC). This paper proposes a met...
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Piotr Potera, Ihor S. Virt and Bogumil Cieniek
Transparent thin layers of cobalt-doped ZnO were produced with the pulsed laser deposition method. The cobalt content of the original solid solution was 20% at. The crystallographic structure was examined by X-ray diffraction, which showed that the fabri...
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Lu Cai, Yarui Zhou, Jian Guo, Jiaxing Sun and Lili Ji
A series of Yttrium (Y)-doped Bi2MoO6 composites with calcined mussel shell powder (CMS) as supports were synthesized using a solvothermal method. The as-prepared samples were analyzed using multiple techniques to investigate their microscopic morphology...
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Yuhuan Qiu, Guohua Kang, Xunlong Cheng and Jiaqi Wu
To address the problem that the black coating for spacecraft optical stealth easily falls off, this study constructs a light-absorbing spacecraft surface based on a micro/nanostructure through imitating a natural light-trapping structure. In this paper, ...
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Hongmei Dong, Di Gao, Baoyi Li, Hongdao Li, Lifeng Ding and Yulan Niu
Polyoxometalates (POMs) have shown great potential for applications in photocatalysis due to their unique structural features, tunable band gap, and environmental benignity. Herein, a Fe ion-incorporated Co4W6O21(OH)2·4H2O sphere network POM was successf...
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Awais Ahmad, Safia Khan, Mariam Khan, Rafael Luque, Mohammed Jalalah and Mabkhoot A. Alsaiari
Pure TiO2 and barium (0.5 wt%) doped TiO2 (Ba/TiO2) nanostructures have been synthesized via facile microwave irradiation method. The pure anatase phase of synthesized photoactive material was confirmed by X-ray diffraction. Ba doping in the TiO2 host st...
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Juan G. Arango and Robert W. Nairn
The purpose of this study was to create different statistically reliable predictive algorithms for trophic state or water quality for optical (total suspended solids (TSS), Secchi disk depth (SDD), and chlorophyll-a (Chl-a)) and non-optical (total phosph...
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Houdi Xiao, Ruiru Qin, Mingyun Lv and Chuanzhi Wang
A highly transparent polarization-insensitive metamaterial absorber with wideband microwave absorption is presented. The broadband absorption (6.0~16.7 GHz, absorptance > 85%) is achieved using three patterned resistive metasurfaces. The visible light tr...
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Ilka Kriegel and Francesco Scotognella
In this work we study the optical properties of one-dimensional photonic crystals in which layers of silica nanoparticles are alternated with layers of indium tin oxide nanoparticle (ITO)/titania nanoparticle mixture, using the transfer matrix method. Th...
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Ekaterina O. Tyutlyaeva,Alexander A. Moskovsky,Igor O. Odintsov,Sergey S. Konyukhov,Alexey A. Poyda,Mikhail N. Zhizhin,Igor V. Polyakov
Pág. 15 - 23
A wide range of modern system architectures and platforms targeted for different algorithms and application areas is now available.Even general-purpose systems have advantages in some computation areas and bottlenecks in another. Scientific applications ...
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Guo-Ju Chen, Sheng-Rui Jian and Jenh-Yih Juang
In this study, Cu-doped ZnO (CZO) thin films were grown on glass substrates by using the radio frequency magnetron sputtering technique. The effects of Cu doping on the structural, surface morphological, optical properties, and wettability behaviors of C...
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Yamina Ghozlane Habba, Martine Capochichi-Gnambodoe and Yamin Leprince-Wang
In order to improve the photocatalytic efficiency of ZnO nanowires, iron-doped ZnO nanowires (ZnO:Fe NWs) were successfully synthesized. The morphology, optical properties and photocatalytic performance of ZnO:Fe NWs were studied by scanning electron mic...
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