Ultra‐Broadband Emission in Bi/Ge Co‐Doped Silica Glass and Fiber via Bismuth Coordination Engineering
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202402261
Abstract: Bismuth (Bi) and Germanium (Ge) co‐doped silica glass and fiber, as advanced gain media with broadband near‐infrared (NIR) emission and amplification, have promise for extending communication bandwidth. However, efficiently modulating the NIR emissions of bismuth… read more here.
Keywords: doped silica; emission; fiber; silica glass ... See more keywords
Optical properties and photo-isomerization processes of PMMA–BDK–MR nanocomposite thin films doped by silica nanoparticles
Sign Up to like & getrecommendations! Published in 2020 at "Polymer Bulletin"
DOI: 10.1007/s00289-020-03273-6
Abstract: A novel nanocomposite thin films based on azo dye methyl red (MR) hosted in polymethylmethacrylate (PMMA) incorporated with benzyl dimethyl ketal (BDK) as a photo-initiator and doped with 2.5% and 5% of silica NPs are… read more here.
Keywords: thin films; silica nps; doped silica; pmma bdk ... See more keywords
Synthesis of magnetic hollow mesoporous N-doped silica rods as a basic catalyst for the preparation of some spirooxindole-1,4-dihydropyridine derivatives
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.144466
Abstract: Abstract In this study, magnetic hollow mesoporous N-doped silica rods were successfully prepared via the in-situ calcination of different amounts of diethanolamine in the presence of silica precursor. Doping of the nitrogen atoms in to… read more here.
Keywords: silica rods; mesoporous doped; doped silica; magnetic hollow ... See more keywords
Spectroscopy of Pb/Bi co-doped silica optical fibers fabricated via atom layer deposition with modified chemical vapour deposition
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117768
Abstract: Abstract We fabricated a novel Pb/Bi co-doped silica optical fiber using an atomic layer deposition technique in conjunction with a modified chemical vapour deposition process. The fabricated fiber exhibits distinct absorption peaks at 690, 800,… read more here.
Keywords: modified chemical; doped silica; deposition; layer deposition ... See more keywords
Facile fabrication of graphite-doped silica aerogels with ultralow thermal conductivity by precise control
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2017.04.003
Abstract: Abstract Graphite-doped silica (G/SiO 2 ) aerogels for thermal insulation were prepared through doping colloidal graphite (G) into silica (SiO 2 ) sol, followed by aging, washing and supercritical drying. The morphology and structure of… read more here.
Keywords: microscopy; doped silica; thermal conductivity; graphite doped ... See more keywords
Observation of radiation-induced absorption of self-trapped holes in Ge-doped silica fiber in near infrared range at reduced temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.05.023
Abstract: Abstract Short-lived radiation-induced absorption (RIA) of light peaking at wavelengths >1700 nm has been revealed in a γ-irradiated (≤1 kGy) heavily (50 mol% GeO2) Ge-doped silica optical fiber (Ge-doped fiber) at low temperatures (≤−30 °C). This RIA is found… read more here.
Keywords: trapped holes; radiation induced; induced absorption; doped silica ... See more keywords
Fabrication of Yb-doped silica micro-structured optical fibers from UV-curable nano-composites and their application in temperature sensing
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2021.121129
Abstract: Abstract A novel scheme for fabricating Yb-doped silica micro structured optical fibers and their application in high-temperature optical fiber sensing are reported. The Yb-doped silica micro structured optical fiber preforms consisted of Yb-doped silica core… read more here.
Keywords: micro structured; structured optical; silica micro; optical fibers ... See more keywords
Thermally stable ZnO doped SiO2–TiO2 nanocomposite based Opto-chemical sensor
Sign Up to like & getrecommendations! Published in 2021 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2021.124687
Abstract: Abstract Sol-gel-based zinc doped silica-titania (ZST) nanocomposite matrix coated optical fiber has been prepared for pH sensing. Finding relies on evanescent wave absorption in a thin film deposited on the PCS fiber core. Four different… read more here.
Keywords: zinc doped; doped silica; silica titania; nanocomposite matrix ... See more keywords
2 μm Tm3+ doped silica microsphere laser using amplified spontaneous emission light for pumping
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.125137
Abstract: Abstract Single wavelength laser sources used for pumping lasers demonstrate poor resistance to environmental factors. Therefore, a method for employing an amplified spontaneous emission (ASE) light source for pumping thulium ion (Tm 3 + )… read more here.
Keywords: spontaneous emission; doped silica; silica microsphere; amplified spontaneous ... See more keywords
Preparation of lucigenin-doped silica nanoparticles and their application in fiber optic chloride ion sensor
Sign Up to like & getrecommendations! Published in 2019 at "Optical Materials"
DOI: 10.1016/j.optmat.2019.109467
Abstract: Abstract A novel fiber optic sensor was developed to detect chloride ion by means of a cellulose acetate (CA) sensitive film, in which the lucigenin-doped silica nanoparticles were synthesized by the reverse microemulsion method and… read more here.
Keywords: chloride ion; silica nanoparticles; lucigenin doped; doped silica ... See more keywords
Dosimetric characteristics of fabricated Ge-doped silica optical fibre for small-field dosimetry
Sign Up to like & getrecommendations! Published in 2019 at "Results in Physics"
DOI: 10.1016/j.rinp.2018.12.030
Abstract: Abstract We study 3 mm long germanium-doped (Ge-doped) silica fibres for small-field dosimetry, seeking to overcome spatial resolution and charged-particle disequilibrium issues, also any associated dose deviation from that of computerised treatment plan dose delivery. Investigation… read more here.
Keywords: fibre; small field; doped silica; field dosimetry ... See more keywords