Results 51 to 60 of about 118,242 (294)

Analisis Perbandingan Kinerja Mach-Zehnder berdasarkan Ragam Format Modulasi pada Jaringan FTTH

Jurnal Elkomika, 2018
ABSTRAK Pada jurnal ini dibuat pemodelan link FTTH pada software Optisystem 7.0 untuk mengetahui pengaruh dari Kerr effect dengan membandingkan performansi serat optik kaca dan serat optik plastik berdasarkan format modulasi berupa NRZ, RZ, RZ-DPSK, RZ ...
ZULIA NURUL KARIMAH, AKHMAD HAMBALI, SUWANDI SUWANDI   +2 more
doaj   +1 more source

Additive Manufacturing of Gradient Stiffness Honeycombs Using Thermoplastic Polyurethane Composite Material Variations

Advanced Engineering Materials, EarlyView.
By combining porous, solid, and carbon fiber‐reinforced thermoplastic polyurethane within a single 3D printed honeycomb structure, this current work achieved precise control over spatial stiffness while ensuring strong interlayer adhesion. The findings demonstrate enhanced energy absorption and densification strain, outperforming traditional uniform ...
Savvas Koltsakidis, Konstantinos Tsongas, Dimitrios Tzetzis   +2 more
wiley   +1 more source

Stabilization of Multimode Fiber Link by Simple Insertion of Low-Noise Plastic Optical Fiber

IEEE Photonics Journal
Data transmission in a multimode fiber (MMF) link is significantly improved by simply inserting a low-noise graded-index (GI) plastic optical fiber (POF) between a vertical-cavity surface-emitting laser and standard silica GI MMF, compared with using ...
Kenta Muramoto, Yasuhiro Koike
doaj   +1 more source

Assessment of a Dual-Wavelength Compensation Technique for Displacement Sensors Using Plastic Optical Fibers [PDF]

, 2012
The paper analyzes the performance of a dual-wavelength technique devised to compensate power fluctuations in intensity-modulated plastic optical fiber sensors, which were specifically conceived for the measurement of displacements in industrial and ...
Maria Luisa Casalicchio, Olivero, Massimo, Perrone, Guido, Vallan, Alberto   +3 more
core   +1 more source

Development and Preliminary In Vivo Study of 3D‐Printed Bioactive Glass Scaffolds with Trabecular Architecture

Advanced Engineering Materials, EarlyView.
This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov, Roberta Gabrieli, Avzal Akbarov, Nigora Nigmatova, Bekhzod Khabilov, Alessandro Schiavi, Martin Schwentenwein, Enrica Verné, Francesco Baino   +8 more
wiley   +1 more source

Evaluation of the Detection Efficiency of LYSO Scintillator in the Fiber-Optic Radiation Sensor

Science and Technology of Nuclear Installations, 2014
The aim of this study was to develop and evaluate fiber-optic sensors for the remote detection of gamma rays in areas that are difficult to access, such as a spent fuel pool.
Chan Hee Park, Arim Lee, Rinah Kim, Joo Hyun Moon   +3 more
doaj   +1 more source

Low Dispersion Performance of Plastic Fiber Grating Using Genetic Algorithms

مجلة النهرين للعلوم الهندسية, 2018
In this paper, we suppose a method for reducing the dispersion in the plastic optical fiber (POF) Bragg gratings based on optimizing the grating coupling-strength (ξ) using genetic algorithms. The effects of average refractive index (δn) and temperature (
Hisham K. Hisham
doaj   +1 more source

Robot‐Assisted Automated Serial‐Sectioning and Imaging for 3D Microstructural Investigations

Advanced Engineering Materials, EarlyView.
A fully automated 3D microstructure characterization platform provides new insights into materials. This robot‐assisted system performs serial‐sectioning, etching, and optical imaging to generate large‐volume 3D reconstructions with submicron resolution.
Michael Moschetti, Anton Lemiasheuski, Evgenia Bajer, Ilja Porohovoj, Artur Göbel, Anja Pfennig, Dirk Bettge, Robert Maaß   +7 more
wiley   +1 more source

Sensitive cadmium detection using chitosan-coated plastic optical fiber

Next Materials
An optical sensor based on a plastic optical fiber (POF) was developed using PVA-borate-chitosan Coating as a reagent for detecting cadmium in water. The coating is made as a hydrogel containing chitosan that varied in 10 wt% and 20 wt% as an absorber of
Muhimmatul Khoiro, Dzulkiflih, Rohim Aminullah Firdaus, Endah Rahmawati, Meta Yantidewi, Nisa’ul Fadhilah, Safira Adara Khairunnisa, Nur Aini Fauziyah   +7 more
doaj   +1 more source

Terahertz Polarization Splitters Based on Total and Partial Coupling in Dual Slotted Core Polymer Fiber: Comparison and Analysis

IEEE Photonics Journal, 2017
Two terahertz (THz) polarization splitters based on dual slotted core polymer fiber are proposed and numerically investigated. The splitter structures are based on dual cores composed of subwavelength-scale air slots that are independently suspended ...
Hongzhi Chen, Guofeng Yan, Erik Forsberg, Sailing He   +3 more
doaj   +1 more source